extraction-interface: geotemco/lib/flot/jquery.flot.js annotate

annotate geotemco/lib/flot/jquery.flot.js @ 44:3163d8ca0b62 default

closing default branch, we use extractapp branch

author	Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date	Fri, 13 Mar 2015 09:55:07 +0100
parents	b12c99b7c3f0
children

rev	line source
0 b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1 /* Javascript plotting library for jQuery, version 0.8.3-alpha.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3 Copyright (c) 2007-2013 IOLA and Ole Laursen.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	4 Licensed under the MIT license.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	5
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	6 */
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	7
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	8 // first an inline dependency, jquery.colorhelpers.js, we inline it here
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	9 // for convenience
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	10
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	11 /* Plugin for jQuery for working with colors.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	12 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	13 * Version 1.1.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	14 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	15 * Inspiration from jQuery color animation plugin by John Resig.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	16 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	17 * Released under the MIT license by Ole Laursen, October 2009.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	18 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	19 * Examples:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	20 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	21 * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString()
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	22 * var c = $.color.extract($("#mydiv"), 'background-color');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	23 * console.log(c.r, c.g, c.b, c.a);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	24 * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	25 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	26 * Note that .scale() and .add() return the same modified object
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	27 * instead of making a new one.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	28 *
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	29 * V. 1.1: Fix error handling so e.g. parsing an empty string does
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	30 * produce a color rather than just crashing.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	31 */
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	32 (function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r\|\|0;o.g=g\|\|0;o.b=b\|\|0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i<c.length;++i)o[c.charAt(i)]+=d;return o.normalize()};o.scale=function(c,f){for(var i=0;i<c.length;++i)o[c.charAt(i)]=f;return o.normalize()};o.toString=function(){if(o.a>=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return value<min?min:value>max?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s([0-9]{1,3})\s,\s([0-9]{1,3})\s,\s([0-9]{1,3})\s\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s([0-9]{1,3})\s,\s([0-9]{1,3})\s,\s([0-9]{1,3})\s,\s([0-9]+(?:\.[0-9]+)?)\s\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s([0-9]+(?:\.[0-9]+)?)\%\s,\s([0-9]+(?:\.[0-9]+)?)\%\s,\s([0-9]+(?:\.[0-9]+)?)\%\s\)/.exec(str))return m(parseFloat(res[1])2.55,parseFloat(res[2])2.55,parseFloat(res[3])2.55);if(res=/rgba\(\s([0-9]+(?:\.[0-9]+)?)\%\s,\s([0-9]+(?:\.[0-9]+)?)\%\s,\s([0-9]+(?:\.[0-9]+)?)\%\s,\s([0-9]+(?:\.[0-9]+)?)\s\)/.exec(str))return m(parseFloat(res[1])2.55,parseFloat(res[2])2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]\|\|[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	33
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	34 // the actual Flot code
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	35 (function($) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	36
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	37 // Cache the prototype hasOwnProperty for faster access
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	38
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	39 var hasOwnProperty = Object.prototype.hasOwnProperty;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	40
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	41 ///////////////////////////////////////////////////////////////////////////
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	42 // The Canvas object is a wrapper around an HTML5 <canvas> tag.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	43 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	44 // @constructor
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	45 // @param {string} cls List of classes to apply to the canvas.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	46 // @param {element} container Element onto which to append the canvas.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	47 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	48 // Requiring a container is a little iffy, but unfortunately canvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	49 // operations don't work unless the canvas is attached to the DOM.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	50
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	51 function Canvas(cls, container) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	52
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	53 var element = container.children("." + cls)[0];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	54
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	55 if (element == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	56
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	57 element = document.createElement("canvas");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	58 element.className = cls;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	59
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	60 $(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 })
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	61 .appendTo(container);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	62
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	63 // If HTML5 Canvas isn't available, fall back to [Ex\|Flash]canvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	64
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	65 if (!element.getContext) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	66 if (window.G_vmlCanvasManager) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	67 element = window.G_vmlCanvasManager.initElement(element);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	68 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	69 throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode.");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	70 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	71 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	72 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	73
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	74 this.element = element;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	75
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	76 var context = this.context = element.getContext("2d");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	77
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	78 // Determine the screen's ratio of physical to device-independent
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	79 // pixels. This is the ratio between the canvas width that the browser
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	80 // advertises and the number of pixels actually present in that space.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	81
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	82 // The iPhone 4, for example, has a device-independent width of 320px,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	83 // but its screen is actually 640px wide. It therefore has a pixel
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	84 // ratio of 2, while most normal devices have a ratio of 1.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	85
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	86 var devicePixelRatio = window.devicePixelRatio \|\| 1,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	87 backingStoreRatio =
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	88 context.webkitBackingStorePixelRatio \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	89 context.mozBackingStorePixelRatio \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	90 context.msBackingStorePixelRatio \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	91 context.oBackingStorePixelRatio \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	92 context.backingStorePixelRatio \|\| 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	93
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	94 this.pixelRatio = devicePixelRatio / backingStoreRatio;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	95
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	96 // Size the canvas to match the internal dimensions of its container
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	97
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	98 this.resize(container.width(), container.height());
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	99
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	100 // Collection of HTML div layers for text overlaid onto the canvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	101
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	102 this.textContainer = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	103 this.text = {};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	104
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	105 // Cache of text fragments and metrics, so we can avoid expensively
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	106 // re-calculating them when the plot is re-rendered in a loop.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	107
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	108 this._textCache = {};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	109 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	110
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	111 // Resizes the canvas to the given dimensions.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	112 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	113 // @param {number} width New width of the canvas, in pixels.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	114 // @param {number} width New height of the canvas, in pixels.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	115
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	116 Canvas.prototype.resize = function(width, height) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	117
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	118 if (width <= 0 \|\| height <= 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	119 throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	120 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	121
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	122 var element = this.element,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	123 context = this.context,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	124 pixelRatio = this.pixelRatio;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	125
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	126 // Resize the canvas, increasing its density based on the display's
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	127 // pixel ratio; basically giving it more pixels without increasing the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	128 // size of its element, to take advantage of the fact that retina
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	129 // displays have that many more pixels in the same advertised space.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	130
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	131 // Resizing should reset the state (excanvas seems to be buggy though)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	132
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	133 if (this.width != width) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	134 element.width = width * pixelRatio;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	135 element.style.width = width + "px";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	136 this.width = width;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	137 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	138
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	139 if (this.height != height) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	140 element.height = height * pixelRatio;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	141 element.style.height = height + "px";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	142 this.height = height;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	143 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	144
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	145 // Save the context, so we can reset in case we get replotted. The
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	146 // restore ensure that we're really back at the initial state, and
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	147 // should be safe even if we haven't saved the initial state yet.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	148
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	149 context.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	150 context.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	151
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	152 // Scale the coordinate space to match the display density; so even though we
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	153 // may have twice as many pixels, we still want lines and other drawing to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	154 // appear at the same size; the extra pixels will just make them crisper.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	155
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	156 context.scale(pixelRatio, pixelRatio);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	157 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	158
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	159 // Clears the entire canvas area, not including any overlaid HTML text
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	160
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	161 Canvas.prototype.clear = function() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	162 this.context.clearRect(0, 0, this.width, this.height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	163 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	164
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	165 // Finishes rendering the canvas, including managing the text overlay.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	166
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	167 Canvas.prototype.render = function() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	168
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	169 var cache = this._textCache;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	170
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	171 // For each text layer, add elements marked as active that haven't
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	172 // already been rendered, and remove those that are no longer active.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	173
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	174 for (var layerKey in cache) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	175 if (hasOwnProperty.call(cache, layerKey)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	176
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	177 var layer = this.getTextLayer(layerKey),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	178 layerCache = cache[layerKey];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	179
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	180 layer.hide();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	181
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	182 for (var styleKey in layerCache) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	183 if (hasOwnProperty.call(layerCache, styleKey)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	184 var styleCache = layerCache[styleKey];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	185 for (var key in styleCache) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	186 if (hasOwnProperty.call(styleCache, key)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	187
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	188 var positions = styleCache[key].positions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	189
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	190 for (var i = 0, position; position = positions[i]; i++) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	191 if (position.active) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	192 if (!position.rendered) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	193 layer.append(position.element);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	194 position.rendered = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	195 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	196 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	197 positions.splice(i--, 1);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	198 if (position.rendered) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	199 position.element.detach();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	200 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	201 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	202 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	203
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	204 if (positions.length == 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	205 delete styleCache[key];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	206 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	207 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	208 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	209 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	210 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	211
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	212 layer.show();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	213 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	214 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	215 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	216
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	217 // Creates (if necessary) and returns the text overlay container.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	218 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	219 // @param {string} classes String of space-separated CSS classes used to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	220 // uniquely identify the text layer.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	221 // @return {object} The jQuery-wrapped text-layer div.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	222
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	223 Canvas.prototype.getTextLayer = function(classes) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	224
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	225 var layer = this.text[classes];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	226
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	227 // Create the text layer if it doesn't exist
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	228
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	229 if (layer == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	230
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	231 // Create the text layer container, if it doesn't exist
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	232
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	233 if (this.textContainer == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	234 this.textContainer = $("<div class='flot-text'></div>")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	235 .css({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	236 position: "absolute",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	237 top: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	238 left: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	239 bottom: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	240 right: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	241 'font-size': "smaller",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	242 color: "#545454"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	243 })
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	244 .insertAfter(this.element);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	245 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	246
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	247 layer = this.text[classes] = $("<div></div>")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	248 .addClass(classes)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	249 .css({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	250 position: "absolute",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	251 top: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	252 left: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	253 bottom: 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	254 right: 0
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	255 })
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	256 .appendTo(this.textContainer);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	257 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	258
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	259 return layer;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	260 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	261
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	262 // Creates (if necessary) and returns a text info object.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	263 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	264 // The object looks like this:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	265 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	266 // {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	267 // width: Width of the text's wrapper div.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	268 // height: Height of the text's wrapper div.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	269 // element: The jQuery-wrapped HTML div containing the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	270 // positions: Array of positions at which this text is drawn.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	271 // }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	272 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	273 // The positions array contains objects that look like this:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	274 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	275 // {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	276 // active: Flag indicating whether the text should be visible.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	277 // rendered: Flag indicating whether the text is currently visible.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	278 // element: The jQuery-wrapped HTML div containing the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	279 // x: X coordinate at which to draw the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	280 // y: Y coordinate at which to draw the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	281 // }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	282 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	283 // Each position after the first receives a clone of the original element.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	284 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	285 // The idea is that that the width, height, and general 'identity' of the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	286 // text is constant no matter where it is placed; the placements are a
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	287 // secondary property.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	288 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	289 // Canvas maintains a cache of recently-used text info objects; getTextInfo
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	290 // either returns the cached element or creates a new entry.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	291 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	292 // @param {string} layer A string of space-separated CSS classes uniquely
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	293 // identifying the layer containing this text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	294 // @param {string} text Text string to retrieve info for.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	295 // @param {(string\|object)=} font Either a string of space-separated CSS
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	296 // classes or a font-spec object, defining the text's font and style.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	297 // @param {number=} angle Angle at which to rotate the text, in degrees.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	298 // Angle is currently unused, it will be implemented in the future.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	299 // @param {number=} width Maximum width of the text before it wraps.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	300 // @return {object} a text info object.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	301
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	302 Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	303
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	304 var textStyle, layerCache, styleCache, info;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	305
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	306 // Cast the value to a string, in case we were given a number or such
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	307
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	308 text = "" + text;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	309
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	310 // If the font is a font-spec object, generate a CSS font definition
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	311
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	312 if (typeof font === "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	313 textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "px " + font.family;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	314 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	315 textStyle = font;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	316 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	317
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	318 // Retrieve (or create) the cache for the text's layer and styles
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	319
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	320 layerCache = this._textCache[layer];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	321
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	322 if (layerCache == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	323 layerCache = this._textCache[layer] = {};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	324 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	325
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	326 styleCache = layerCache[textStyle];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	327
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	328 if (styleCache == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	329 styleCache = layerCache[textStyle] = {};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	330 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	331
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	332 info = styleCache[text];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	333
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	334 // If we can't find a matching element in our cache, create a new one
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	335
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	336 if (info == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	337
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	338 var element = $("<div></div>").html(text)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	339 .css({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	340 position: "absolute",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	341 'max-width': width,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	342 top: -9999
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	343 })
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	344 .appendTo(this.getTextLayer(layer));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	345
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	346 if (typeof font === "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	347 element.css({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	348 font: textStyle,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	349 color: font.color
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	350 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	351 } else if (typeof font === "string") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	352 element.addClass(font);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	353 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	354
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	355 info = styleCache[text] = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	356 width: element.outerWidth(true),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	357 height: element.outerHeight(true),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	358 element: element,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	359 positions: []
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	360 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	361
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	362 element.detach();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	363 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	364
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	365 return info;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	366 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	367
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	368 // Adds a text string to the canvas text overlay.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	369 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	370 // The text isn't drawn immediately; it is marked as rendering, which will
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	371 // result in its addition to the canvas on the next render pass.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	372 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	373 // @param {string} layer A string of space-separated CSS classes uniquely
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	374 // identifying the layer containing this text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	375 // @param {number} x X coordinate at which to draw the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	376 // @param {number} y Y coordinate at which to draw the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	377 // @param {string} text Text string to draw.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	378 // @param {(string\|object)=} font Either a string of space-separated CSS
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	379 // classes or a font-spec object, defining the text's font and style.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	380 // @param {number=} angle Angle at which to rotate the text, in degrees.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	381 // Angle is currently unused, it will be implemented in the future.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	382 // @param {number=} width Maximum width of the text before it wraps.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	383 // @param {string=} halign Horizontal alignment of the text; either "left",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	384 // "center" or "right".
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	385 // @param {string=} valign Vertical alignment of the text; either "top",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	386 // "middle" or "bottom".
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	387
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	388 Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	389
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	390 var info = this.getTextInfo(layer, text, font, angle, width),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	391 positions = info.positions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	392
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	393 // Tweak the div's position to match the text's alignment
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	394
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	395 if (halign == "center") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	396 x -= info.width / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	397 } else if (halign == "right") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	398 x -= info.width;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	399 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	400
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	401 if (valign == "middle") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	402 y -= info.height / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	403 } else if (valign == "bottom") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	404 y -= info.height;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	405 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	406
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	407 // Determine whether this text already exists at this position.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	408 // If so, mark it for inclusion in the next render pass.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	409
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	410 for (var i = 0, position; position = positions[i]; i++) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	411 if (position.x == x && position.y == y) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	412 position.active = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	413 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	414 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	415 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	416
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	417 // If the text doesn't exist at this position, create a new entry
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	418
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	419 // For the very first position we'll re-use the original element,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	420 // while for subsequent ones we'll clone it.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	421
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	422 position = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	423 active: true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	424 rendered: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	425 element: positions.length ? info.element.clone() : info.element,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	426 x: x,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	427 y: y
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	428 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	429
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	430 positions.push(position);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	431
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	432 // Move the element to its final position within the container
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	433
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	434 position.element.css({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	435 top: Math.round(y),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	436 left: Math.round(x),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	437 'text-align': halign // In case the text wraps
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	438 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	439 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	440
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	441 // Removes one or more text strings from the canvas text overlay.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	442 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	443 // If no parameters are given, all text within the layer is removed.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	444 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	445 // Note that the text is not immediately removed; it is simply marked as
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	446 // inactive, which will result in its removal on the next render pass.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	447 // This avoids the performance penalty for 'clear and redraw' behavior,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	448 // where we potentially get rid of all text on a layer, but will likely
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	449 // add back most or all of it later, as when redrawing axes, for example.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	450 //
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	451 // @param {string} layer A string of space-separated CSS classes uniquely
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	452 // identifying the layer containing this text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	453 // @param {number=} x X coordinate of the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	454 // @param {number=} y Y coordinate of the text.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	455 // @param {string=} text Text string to remove.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	456 // @param {(string\|object)=} font Either a string of space-separated CSS
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	457 // classes or a font-spec object, defining the text's font and style.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	458 // @param {number=} angle Angle at which the text is rotated, in degrees.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	459 // Angle is currently unused, it will be implemented in the future.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	460
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	461 Canvas.prototype.removeText = function(layer, x, y, text, font, angle) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	462 if (text == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	463 var layerCache = this._textCache[layer];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	464 if (layerCache != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	465 for (var styleKey in layerCache) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	466 if (hasOwnProperty.call(layerCache, styleKey)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	467 var styleCache = layerCache[styleKey];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	468 for (var key in styleCache) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	469 if (hasOwnProperty.call(styleCache, key)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	470 var positions = styleCache[key].positions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	471 for (var i = 0, position; position = positions[i]; i++) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	472 position.active = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	473 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	474 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	475 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	476 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	477 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	478 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	479 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	480 var positions = this.getTextInfo(layer, text, font, angle).positions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	481 for (var i = 0, position; position = positions[i]; i++) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	482 if (position.x == x && position.y == y) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	483 position.active = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	484 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	485 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	486 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	487 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	488
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	489 ///////////////////////////////////////////////////////////////////////////
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	490 // The top-level container for the entire plot.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	491
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	492 function Plot(placeholder, data_, options_, plugins) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	493 // data is on the form:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	494 // [ series1, series2 ... ]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	495 // where series is either just the data as [ [x1, y1], [x2, y2], ... ]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	496 // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	497
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	498 var series = [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	499 options = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	500 // the color theme used for graphs
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	501 colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	502 legend: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	503 show: true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	504 noColumns: 1, // number of colums in legend table
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	505 labelFormatter: null, // fn: string -> string
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	506 labelBoxBorderColor: "#ccc", // border color for the little label boxes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	507 container: null, // container (as jQuery object) to put legend in, null means default on top of graph
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	508 position: "ne", // position of default legend container within plot
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	509 margin: 5, // distance from grid edge to default legend container within plot
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	510 backgroundColor: null, // null means auto-detect
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	511 backgroundOpacity: 0.85, // set to 0 to avoid background
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	512 sorted: null // default to no legend sorting
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	513 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	514 xaxis: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	515 show: null, // null = auto-detect, true = always, false = never
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	516 position: "bottom", // or "top"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	517 mode: null, // null or "time"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	518 font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	519 color: null, // base color, labels, ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	520 tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	521 transform: null, // null or f: number -> number to transform axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	522 inverseTransform: null, // if transform is set, this should be the inverse function
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	523 min: null, // min. value to show, null means set automatically
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	524 max: null, // max. value to show, null means set automatically
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	525 autoscaleMargin: null, // margin in % to add if auto-setting min/max
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	526 ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	527 tickFormatter: null, // fn: number -> string
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	528 labelWidth: null, // size of tick labels in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	529 labelHeight: null,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	530 reserveSpace: null, // whether to reserve space even if axis isn't shown
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	531 tickLength: null, // size in pixels of ticks, or "full" for whole line
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	532 alignTicksWithAxis: null, // axis number or null for no sync
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	533 tickDecimals: null, // no. of decimals, null means auto
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	534 tickSize: null, // number or [number, "unit"]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	535 minTickSize: null // number or [number, "unit"]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	536 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	537 yaxis: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	538 autoscaleMargin: 0.02,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	539 position: "left" // or "right"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	540 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	541 xaxes: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	542 yaxes: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	543 series: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	544 points: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	545 show: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	546 radius: 3,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	547 lineWidth: 2, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	548 fill: true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	549 fillColor: "#ffffff",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	550 symbol: "circle" // or callback
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	551 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	552 lines: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	553 // we don't put in show: false so we can see
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	554 // whether lines were actively disabled
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	555 lineWidth: 2, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	556 fill: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	557 fillColor: null,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	558 steps: false
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	559 // Omit 'zero', so we can later default its value to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	560 // match that of the 'fill' option.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	561 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	562 bars: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	563 show: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	564 lineWidth: 2, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	565 barWidth: 1, // in units of the x axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	566 fill: true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	567 fillColor: null,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	568 align: "left", // "left", "right", or "center"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	569 horizontal: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	570 zero: true
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	571 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	572 shadowSize: 3,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	573 highlightColor: null
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	574 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	575 grid: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	576 show: true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	577 aboveData: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	578 color: "#545454", // primary color used for outline and labels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	579 backgroundColor: null, // null for transparent, else color
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	580 borderColor: null, // set if different from the grid color
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	581 tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	582 margin: 0, // distance from the canvas edge to the grid
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	583 labelMargin: 5, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	584 axisMargin: 8, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	585 borderWidth: 2, // in pixels
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	586 minBorderMargin: null, // in pixels, null means taken from points radius
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	587 markings: null, // array of ranges or fn: axes -> array of ranges
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	588 markingsColor: "#f4f4f4",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	589 markingsLineWidth: 2,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	590 // interactive stuff
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	591 clickable: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	592 hoverable: false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	593 autoHighlight: true, // highlight in case mouse is near
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	594 mouseActiveRadius: 10 // how far the mouse can be away to activate an item
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	595 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	596 interaction: {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	597 redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	598 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	599 hooks: {}
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	600 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	601 surface = null, // the canvas for the plot itself
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	602 overlay = null, // canvas for interactive stuff on top of plot
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	603 eventHolder = null, // jQuery object that events should be bound to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	604 ctx = null, octx = null,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	605 xaxes = [], yaxes = [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	606 plotOffset = { left: 0, right: 0, top: 0, bottom: 0},
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	607 plotWidth = 0, plotHeight = 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	608 hooks = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	609 processOptions: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	610 processRawData: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	611 processDatapoints: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	612 processOffset: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	613 drawBackground: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	614 drawSeries: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	615 draw: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	616 bindEvents: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	617 drawOverlay: [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	618 shutdown: []
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	619 },
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	620 plot = this;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	621
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	622 // public functions
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	623 plot.setData = setData;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	624 plot.setupGrid = setupGrid;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	625 plot.draw = draw;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	626 plot.getPlaceholder = function() { return placeholder; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	627 plot.getCanvas = function() { return surface.element; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	628 plot.getPlotOffset = function() { return plotOffset; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	629 plot.width = function () { return plotWidth; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	630 plot.height = function () { return plotHeight; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	631 plot.offset = function () {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	632 var o = eventHolder.offset();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	633 o.left += plotOffset.left;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	634 o.top += plotOffset.top;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	635 return o;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	636 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	637 plot.getData = function () { return series; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	638 plot.getAxes = function () {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	639 var res = {}, i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	640 $.each(xaxes.concat(yaxes), function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	641 if (axis)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	642 res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	643 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	644 return res;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	645 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	646 plot.getXAxes = function () { return xaxes; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	647 plot.getYAxes = function () { return yaxes; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	648 plot.c2p = canvasToAxisCoords;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	649 plot.p2c = axisToCanvasCoords;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	650 plot.getOptions = function () { return options; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	651 plot.highlight = highlight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	652 plot.unhighlight = unhighlight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	653 plot.triggerRedrawOverlay = triggerRedrawOverlay;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	654 plot.pointOffset = function(point) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	655 return {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	656 left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	657 top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	658 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	659 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	660 plot.shutdown = shutdown;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	661 plot.destroy = function () {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	662 shutdown();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	663 placeholder.removeData("plot").empty();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	664
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	665 series = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	666 options = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	667 surface = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	668 overlay = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	669 eventHolder = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	670 ctx = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	671 octx = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	672 xaxes = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	673 yaxes = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	674 hooks = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	675 highlights = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	676 plot = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	677 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	678 plot.resize = function () {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	679 var width = placeholder.width(),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	680 height = placeholder.height();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	681 surface.resize(width, height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	682 overlay.resize(width, height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	683 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	684
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	685 // public attributes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	686 plot.hooks = hooks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	687
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	688 // initialize
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	689 initPlugins(plot);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	690 parseOptions(options_);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	691 setupCanvases();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	692 setData(data_);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	693 setupGrid();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	694 draw();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	695 bindEvents();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	696
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	697
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	698 function executeHooks(hook, args) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	699 args = [plot].concat(args);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	700 for (var i = 0; i < hook.length; ++i)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	701 hook[i].apply(this, args);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	702 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	703
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	704 function initPlugins() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	705
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	706 // References to key classes, allowing plugins to modify them
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	707
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	708 var classes = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	709 Canvas: Canvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	710 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	711
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	712 for (var i = 0; i < plugins.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	713 var p = plugins[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	714 p.init(plot, classes);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	715 if (p.options)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	716 $.extend(true, options, p.options);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	717 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	718 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	719
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	720 function parseOptions(opts) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	721
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	722 $.extend(true, options, opts);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	723
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	724 // $.extend merges arrays, rather than replacing them. When less
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	725 // colors are provided than the size of the default palette, we
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	726 // end up with those colors plus the remaining defaults, which is
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	727 // not expected behavior; avoid it by replacing them here.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	728
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	729 if (opts && opts.colors) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	730 options.colors = opts.colors;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	731 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	732
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	733 if (options.xaxis.color == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	734 options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	735 if (options.yaxis.color == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	736 options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	737
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	738 if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	739 options.xaxis.tickColor = options.grid.tickColor \|\| options.xaxis.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	740 if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	741 options.yaxis.tickColor = options.grid.tickColor \|\| options.yaxis.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	742
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	743 if (options.grid.borderColor == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	744 options.grid.borderColor = options.grid.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	745 if (options.grid.tickColor == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	746 options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	747
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	748 // Fill in defaults for axis options, including any unspecified
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	749 // font-spec fields, if a font-spec was provided.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	750
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	751 // If no x/y axis options were provided, create one of each anyway,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	752 // since the rest of the code assumes that they exist.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	753
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	754 var i, axisOptions, axisCount,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	755 fontSize = placeholder.css("font-size"),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	756 fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	757 fontDefaults = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	758 style: placeholder.css("font-style"),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	759 size: Math.round(0.8 * fontSizeDefault),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	760 variant: placeholder.css("font-variant"),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	761 weight: placeholder.css("font-weight"),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	762 family: placeholder.css("font-family")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	763 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	764
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	765 axisCount = options.xaxes.length \|\| 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	766 for (i = 0; i < axisCount; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	767
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	768 axisOptions = options.xaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	769 if (axisOptions && !axisOptions.tickColor) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	770 axisOptions.tickColor = axisOptions.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	771 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	772
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	773 axisOptions = $.extend(true, {}, options.xaxis, axisOptions);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	774 options.xaxes[i] = axisOptions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	775
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	776 if (axisOptions.font) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	777 axisOptions.font = $.extend({}, fontDefaults, axisOptions.font);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	778 if (!axisOptions.font.color) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	779 axisOptions.font.color = axisOptions.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	780 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	781 if (!axisOptions.font.lineHeight) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	782 axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	783 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	784 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	785 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	786
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	787 axisCount = options.yaxes.length \|\| 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	788 for (i = 0; i < axisCount; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	789
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	790 axisOptions = options.yaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	791 if (axisOptions && !axisOptions.tickColor) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	792 axisOptions.tickColor = axisOptions.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	793 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	794
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	795 axisOptions = $.extend(true, {}, options.yaxis, axisOptions);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	796 options.yaxes[i] = axisOptions;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	797
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	798 if (axisOptions.font) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	799 axisOptions.font = $.extend({}, fontDefaults, axisOptions.font);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	800 if (!axisOptions.font.color) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	801 axisOptions.font.color = axisOptions.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	802 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	803 if (!axisOptions.font.lineHeight) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	804 axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	805 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	806 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	807 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	808
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	809 // backwards compatibility, to be removed in future
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	810 if (options.xaxis.noTicks && options.xaxis.ticks == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	811 options.xaxis.ticks = options.xaxis.noTicks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	812 if (options.yaxis.noTicks && options.yaxis.ticks == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	813 options.yaxis.ticks = options.yaxis.noTicks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	814 if (options.x2axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	815 options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	816 options.xaxes[1].position = "top";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	817 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	818 if (options.y2axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	819 options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	820 options.yaxes[1].position = "right";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	821 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	822 if (options.grid.coloredAreas)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	823 options.grid.markings = options.grid.coloredAreas;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	824 if (options.grid.coloredAreasColor)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	825 options.grid.markingsColor = options.grid.coloredAreasColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	826 if (options.lines)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	827 $.extend(true, options.series.lines, options.lines);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	828 if (options.points)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	829 $.extend(true, options.series.points, options.points);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	830 if (options.bars)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	831 $.extend(true, options.series.bars, options.bars);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	832 if (options.shadowSize != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	833 options.series.shadowSize = options.shadowSize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	834 if (options.highlightColor != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	835 options.series.highlightColor = options.highlightColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	836
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	837 // save options on axes for future reference
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	838 for (i = 0; i < options.xaxes.length; ++i)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	839 getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	840 for (i = 0; i < options.yaxes.length; ++i)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	841 getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	842
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	843 // add hooks from options
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	844 for (var n in hooks)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	845 if (options.hooks[n] && options.hooks[n].length)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	846 hooks[n] = hooks[n].concat(options.hooks[n]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	847
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	848 executeHooks(hooks.processOptions, [options]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	849 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	850
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	851 function setData(d) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	852 series = parseData(d);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	853 fillInSeriesOptions();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	854 processData();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	855 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	856
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	857 function parseData(d) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	858 var res = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	859 for (var i = 0; i < d.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	860 var s = $.extend(true, {}, options.series);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	861
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	862 if (d[i].data != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	863 s.data = d[i].data; // move the data instead of deep-copy
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	864 delete d[i].data;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	865
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	866 $.extend(true, s, d[i]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	867
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	868 d[i].data = s.data;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	869 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	870 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	871 s.data = d[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	872 res.push(s);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	873 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	874
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	875 return res;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	876 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	877
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	878 function axisNumber(obj, coord) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	879 var a = obj[coord + "axis"];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	880 if (typeof a == "object") // if we got a real axis, extract number
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	881 a = a.n;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	882 if (typeof a != "number")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	883 a = 1; // default to first axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	884 return a;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	885 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	886
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	887 function allAxes() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	888 // return flat array without annoying null entries
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	889 return $.grep(xaxes.concat(yaxes), function (a) { return a; });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	890 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	891
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	892 function canvasToAxisCoords(pos) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	893 // return an object with x/y corresponding to all used axes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	894 var res = {}, i, axis;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	895 for (i = 0; i < xaxes.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	896 axis = xaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	897 if (axis && axis.used)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	898 res["x" + axis.n] = axis.c2p(pos.left);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	899 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	900
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	901 for (i = 0; i < yaxes.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	902 axis = yaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	903 if (axis && axis.used)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	904 res["y" + axis.n] = axis.c2p(pos.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	905 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	906
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	907 if (res.x1 !== undefined)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	908 res.x = res.x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	909 if (res.y1 !== undefined)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	910 res.y = res.y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	911
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	912 return res;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	913 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	914
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	915 function axisToCanvasCoords(pos) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	916 // get canvas coords from the first pair of x/y found in pos
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	917 var res = {}, i, axis, key;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	918
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	919 for (i = 0; i < xaxes.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	920 axis = xaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	921 if (axis && axis.used) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	922 key = "x" + axis.n;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	923 if (pos[key] == null && axis.n == 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	924 key = "x";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	925
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	926 if (pos[key] != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	927 res.left = axis.p2c(pos[key]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	928 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	929 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	930 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	931 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	932
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	933 for (i = 0; i < yaxes.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	934 axis = yaxes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	935 if (axis && axis.used) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	936 key = "y" + axis.n;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	937 if (pos[key] == null && axis.n == 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	938 key = "y";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	939
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	940 if (pos[key] != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	941 res.top = axis.p2c(pos[key]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	942 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	943 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	944 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	945 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	946
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	947 return res;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	948 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	949
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	950 function getOrCreateAxis(axes, number) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	951 if (!axes[number - 1])
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	952 axes[number - 1] = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	953 n: number, // save the number for future reference
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	954 direction: axes == xaxes ? "x" : "y",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	955 options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	956 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	957
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	958 return axes[number - 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	959 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	960
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	961 function fillInSeriesOptions() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	962
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	963 var neededColors = series.length, maxIndex = -1, i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	964
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	965 // Subtract the number of series that already have fixed colors or
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	966 // color indexes from the number that we still need to generate.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	967
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	968 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	969 var sc = series[i].color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	970 if (sc != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	971 neededColors--;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	972 if (typeof sc == "number" && sc > maxIndex) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	973 maxIndex = sc;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	974 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	975 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	976 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	977
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	978 // If any of the series have fixed color indexes, then we need to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	979 // generate at least as many colors as the highest index.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	980
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	981 if (neededColors <= maxIndex) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	982 neededColors = maxIndex + 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	983 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	984
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	985 // Generate all the colors, using first the option colors and then
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	986 // variations on those colors once they're exhausted.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	987
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	988 var c, colors = [], colorPool = options.colors,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	989 colorPoolSize = colorPool.length, variation = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	990
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	991 for (i = 0; i < neededColors; i++) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	992
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	993 c = $.color.parse(colorPool[i % colorPoolSize] \|\| "#666");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	994
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	995 // Each time we exhaust the colors in the pool we adjust
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	996 // a scaling factor used to produce more variations on
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	997 // those colors. The factor alternates negative/positive
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	998 // to produce lighter/darker colors.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	999
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1000 // Reset the variation after every few cycles, or else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1001 // it will end up producing only white or black colors.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1002
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1003 if (i % colorPoolSize == 0 && i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1004 if (variation >= 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1005 if (variation < 0.5) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1006 variation = -variation - 0.2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1007 } else variation = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1008 } else variation = -variation;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1009 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1010
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1011 colors[i] = c.scale('rgb', 1 + variation);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1012 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1013
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1014 // Finalize the series options, filling in their colors
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1015
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1016 var colori = 0, s;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1017 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1018 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1019
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1020 // assign colors
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1021 if (s.color == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1022 s.color = colors[colori].toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1023 ++colori;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1024 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1025 else if (typeof s.color == "number")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1026 s.color = colors[s.color].toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1027
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1028 // turn on lines automatically in case nothing is set
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1029 if (s.lines.show == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1030 var v, show = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1031 for (v in s)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1032 if (s[v] && s[v].show) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1033 show = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1034 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1035 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1036 if (show)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1037 s.lines.show = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1038 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1039
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1040 // If nothing was provided for lines.zero, default it to match
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1041 // lines.fill, since areas by default should extend to zero.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1042
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1043 if (s.lines.zero == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1044 s.lines.zero = !!s.lines.fill;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1045 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1046
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1047 // setup axes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1048 s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x"));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1049 s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y"));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1050 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1051 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1052
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1053 function processData() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1054 var topSentry = Number.POSITIVE_INFINITY,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1055 bottomSentry = Number.NEGATIVE_INFINITY,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1056 fakeInfinity = Number.MAX_VALUE,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1057 i, j, k, m, length,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1058 s, points, ps, x, y, axis, val, f, p,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1059 data, format;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1060
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1061 function updateAxis(axis, min, max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1062 if (min < axis.datamin && min != -fakeInfinity)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1063 axis.datamin = min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1064 if (max > axis.datamax && max != fakeInfinity)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1065 axis.datamax = max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1066 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1067
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1068 $.each(allAxes(), function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1069 // init axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1070 axis.datamin = topSentry;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1071 axis.datamax = bottomSentry;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1072 axis.used = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1073 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1074
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1075 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1076 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1077 s.datapoints = { points: [] };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1078
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1079 executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1080 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1081
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1082 // first pass: clean and copy data
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1083 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1084 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1085
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1086 data = s.data;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1087 format = s.datapoints.format;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1088
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1089 if (!format) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1090 format = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1091 // find out how to copy
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1092 format.push({ x: true, number: true, required: true });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1093 format.push({ y: true, number: true, required: true });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1094
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1095 if (s.bars.show \|\| (s.lines.show && s.lines.fill)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1096 var autoscale = !!((s.bars.show && s.bars.zero) \|\| (s.lines.show && s.lines.zero));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1097 format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1098 if (s.bars.horizontal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1099 delete format[format.length - 1].y;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1100 format[format.length - 1].x = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1101 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1102 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1103
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1104 s.datapoints.format = format;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1105 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1106
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1107 if (s.datapoints.pointsize != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1108 continue; // already filled in
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1109
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1110 s.datapoints.pointsize = format.length;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1111
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1112 ps = s.datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1113 points = s.datapoints.points;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1114
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1115 var insertSteps = s.lines.show && s.lines.steps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1116 s.xaxis.used = s.yaxis.used = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1117
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1118 for (j = k = 0; j < data.length; ++j, k += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1119 p = data[j];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1120
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1121 var nullify = p == null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1122 if (!nullify) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1123 for (m = 0; m < ps; ++m) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1124 val = p[m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1125 f = format[m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1126
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1127 if (f) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1128 if (f.number && val != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1129 val = +val; // convert to number
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1130 if (isNaN(val))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1131 val = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1132 else if (val == Infinity)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1133 val = fakeInfinity;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1134 else if (val == -Infinity)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1135 val = -fakeInfinity;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1136 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1137
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1138 if (val == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1139 if (f.required)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1140 nullify = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1141
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1142 if (f.defaultValue != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1143 val = f.defaultValue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1144 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1145 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1146
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1147 points[k + m] = val;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1148 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1149 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1150
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1151 if (nullify) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1152 for (m = 0; m < ps; ++m) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1153 val = points[k + m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1154 if (val != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1155 f = format[m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1156 // extract min/max info
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1157 if (f.autoscale !== false) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1158 if (f.x) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1159 updateAxis(s.xaxis, val, val);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1160 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1161 if (f.y) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1162 updateAxis(s.yaxis, val, val);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1163 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1164 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1165 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1166 points[k + m] = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1167 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1168 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1169 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1170 // a little bit of line specific stuff that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1171 // perhaps shouldn't be here, but lacking
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1172 // better means...
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1173 if (insertSteps && k > 0
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1174 && points[k - ps] != null
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1175 && points[k - ps] != points[k]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1176 && points[k - ps + 1] != points[k + 1]) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1177 // copy the point to make room for a middle point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1178 for (m = 0; m < ps; ++m)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1179 points[k + ps + m] = points[k + m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1180
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1181 // middle point has same y
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1182 points[k + 1] = points[k - ps + 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1183
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1184 // we've added a point, better reflect that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1185 k += ps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1186 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1187 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1188 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1189 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1190
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1191 // give the hooks a chance to run
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1192 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1193 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1194
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1195 executeHooks(hooks.processDatapoints, [ s, s.datapoints]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1196 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1197
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1198 // second pass: find datamax/datamin for auto-scaling
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1199 for (i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1200 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1201 points = s.datapoints.points;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1202 ps = s.datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1203 format = s.datapoints.format;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1204
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1205 var xmin = topSentry, ymin = topSentry,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1206 xmax = bottomSentry, ymax = bottomSentry;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1207
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1208 for (j = 0; j < points.length; j += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1209 if (points[j] == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1210 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1211
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1212 for (m = 0; m < ps; ++m) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1213 val = points[j + m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1214 f = format[m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1215 if (!f \|\| f.autoscale === false \|\| val == fakeInfinity \|\| val == -fakeInfinity)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1216 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1217
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1218 if (f.x) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1219 if (val < xmin)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1220 xmin = val;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1221 if (val > xmax)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1222 xmax = val;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1223 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1224 if (f.y) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1225 if (val < ymin)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1226 ymin = val;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1227 if (val > ymax)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1228 ymax = val;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1229 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1230 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1231 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1232
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1233 if (s.bars.show) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1234 // make sure we got room for the bar on the dancing floor
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1235 var delta;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1236
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1237 switch (s.bars.align) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1238 case "left":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1239 delta = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1240 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1241 case "right":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1242 delta = -s.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1243 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1244 default:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1245 delta = -s.bars.barWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1246 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1247
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1248 if (s.bars.horizontal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1249 ymin += delta;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1250 ymax += delta + s.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1251 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1252 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1253 xmin += delta;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1254 xmax += delta + s.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1255 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1256 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1257
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1258 updateAxis(s.xaxis, xmin, xmax);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1259 updateAxis(s.yaxis, ymin, ymax);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1260 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1261
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1262 $.each(allAxes(), function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1263 if (axis.datamin == topSentry)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1264 axis.datamin = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1265 if (axis.datamax == bottomSentry)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1266 axis.datamax = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1267 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1268 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1269
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1270 function setupCanvases() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1271
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1272 // Make sure the placeholder is clear of everything except canvases
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1273 // from a previous plot in this container that we'll try to re-use.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1274
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1275 placeholder.css("padding", 0) // padding messes up the positioning
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1276 .children().filter(function(){
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1277 return !$(this).hasClass("flot-overlay") && !$(this).hasClass('flot-base');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1278 }).remove();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1279
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1280 if (placeholder.css("position") == 'static')
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1281 placeholder.css("position", "relative"); // for positioning labels and overlay
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1282
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1283 surface = new Canvas("flot-base", placeholder);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1284 overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1285
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1286 ctx = surface.context;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1287 octx = overlay.context;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1288
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1289 // define which element we're listening for events on
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1290 eventHolder = $(overlay.element).unbind();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1291
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1292 // If we're re-using a plot object, shut down the old one
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1293
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1294 var existing = placeholder.data("plot");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1295
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1296 if (existing) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1297 existing.shutdown();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1298 overlay.clear();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1299 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1300
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1301 // save in case we get replotted
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1302 placeholder.data("plot", plot);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1303 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1304
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1305 function bindEvents() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1306 // bind events
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1307 if (options.grid.hoverable) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1308 eventHolder.mousemove(onMouseMove);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1309
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1310 // Use bind, rather than .mouseleave, because we officially
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1311 // still support jQuery 1.2.6, which doesn't define a shortcut
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1312 // for mouseenter or mouseleave. This was a bug/oversight that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1313 // was fixed somewhere around 1.3.x. We can return to using
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1314 // .mouseleave when we drop support for 1.2.6.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1315
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1316 eventHolder.bind("mouseleave", onMouseLeave);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1317 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1318
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1319 if (options.grid.clickable)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1320 eventHolder.click(onClick);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1321
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1322 executeHooks(hooks.bindEvents, [eventHolder]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1323 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1324
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1325 function shutdown() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1326 if (redrawTimeout)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1327 clearTimeout(redrawTimeout);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1328
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1329 eventHolder.unbind("mousemove", onMouseMove);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1330 eventHolder.unbind("mouseleave", onMouseLeave);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1331 eventHolder.unbind("click", onClick);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1332
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1333 executeHooks(hooks.shutdown, [eventHolder]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1334 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1335
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1336 function setTransformationHelpers(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1337 // set helper functions on the axis, assumes plot area
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1338 // has been computed already
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1339
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1340 function identity(x) { return x; }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1341
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1342 var s, m, t = axis.options.transform \|\| identity,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1343 it = axis.options.inverseTransform;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1344
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1345 // precompute how much the axis is scaling a point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1346 // in canvas space
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1347 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1348 s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1349 m = Math.min(t(axis.max), t(axis.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1350 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1351 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1352 s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1353 s = -s;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1354 m = Math.max(t(axis.max), t(axis.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1355 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1356
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1357 // data point to canvas coordinate
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1358 if (t == identity) // slight optimization
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1359 axis.p2c = function (p) { return (p - m) * s; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1360 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1361 axis.p2c = function (p) { return (t(p) - m) * s; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1362 // canvas coordinate to data point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1363 if (!it)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1364 axis.c2p = function (c) { return m + c / s; };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1365 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1366 axis.c2p = function (c) { return it(m + c / s); };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1367 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1368
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1369 function measureTickLabels(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1370
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1371 var opts = axis.options,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1372 ticks = axis.ticks \|\| [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1373 labelWidth = opts.labelWidth \|\| 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1374 labelHeight = opts.labelHeight \|\| 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1375 maxWidth = labelWidth \|\| (axis.direction == "x" ? Math.floor(surface.width / (ticks.length \|\| 1)) : null),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1376 legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1377 layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1378 font = opts.font \|\| "flot-tick-label tickLabel";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1379
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1380 for (var i = 0; i < ticks.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1381
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1382 var t = ticks[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1383
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1384 if (!t.label)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1385 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1386
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1387 var info = surface.getTextInfo(layer, t.label, font, null, maxWidth);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1388
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1389 labelWidth = Math.max(labelWidth, info.width);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1390 labelHeight = Math.max(labelHeight, info.height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1391 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1392
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1393 axis.labelWidth = opts.labelWidth \|\| labelWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1394 axis.labelHeight = opts.labelHeight \|\| labelHeight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1395 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1396
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1397 function allocateAxisBoxFirstPhase(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1398 // find the bounding box of the axis by looking at label
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1399 // widths/heights and ticks, make room by diminishing the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1400 // plotOffset; this first phase only looks at one
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1401 // dimension per axis, the other dimension depends on the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1402 // other axes so will have to wait
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1403
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1404 var lw = axis.labelWidth,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1405 lh = axis.labelHeight,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1406 pos = axis.options.position,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1407 isXAxis = axis.direction === "x",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1408 tickLength = axis.options.tickLength,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1409 axisMargin = options.grid.axisMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1410 padding = options.grid.labelMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1411 innermost = true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1412 outermost = true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1413 first = true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1414 found = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1415
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1416 // Determine the axis's position in its direction and on its side
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1417
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1418 $.each(isXAxis ? xaxes : yaxes, function(i, a) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1419 if (a && a.reserveSpace) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1420 if (a === axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1421 found = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1422 } else if (a.options.position === pos) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1423 if (found) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1424 outermost = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1425 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1426 innermost = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1427 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1428 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1429 if (!found) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1430 first = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1431 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1432 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1433 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1434
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1435 // The outermost axis on each side has no margin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1436
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1437 if (outermost) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1438 axisMargin = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1439 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1440
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1441 // The ticks for the first axis in each direction stretch across
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1442
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1443 if (tickLength == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1444 tickLength = first ? "full" : 5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1445 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1446
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1447 if (!isNaN(+tickLength))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1448 padding += +tickLength;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1449
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1450 if (isXAxis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1451 lh += padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1452
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1453 if (pos == "bottom") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1454 plotOffset.bottom += lh + axisMargin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1455 axis.box = { top: surface.height - plotOffset.bottom, height: lh };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1456 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1457 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1458 axis.box = { top: plotOffset.top + axisMargin, height: lh };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1459 plotOffset.top += lh + axisMargin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1460 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1461 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1462 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1463 lw += padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1464
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1465 if (pos == "left") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1466 axis.box = { left: plotOffset.left + axisMargin, width: lw };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1467 plotOffset.left += lw + axisMargin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1468 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1469 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1470 plotOffset.right += lw + axisMargin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1471 axis.box = { left: surface.width - plotOffset.right, width: lw };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1472 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1473 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1474
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1475 // save for future reference
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1476 axis.position = pos;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1477 axis.tickLength = tickLength;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1478 axis.box.padding = padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1479 axis.innermost = innermost;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1480 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1481
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1482 function allocateAxisBoxSecondPhase(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1483 // now that all axis boxes have been placed in one
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1484 // dimension, we can set the remaining dimension coordinates
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1485 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1486 axis.box.left = plotOffset.left - axis.labelWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1487 axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1488 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1489 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1490 axis.box.top = plotOffset.top - axis.labelHeight / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1491 axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1492 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1493 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1494
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1495 function adjustLayoutForThingsStickingOut() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1496 // possibly adjust plot offset to ensure everything stays
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1497 // inside the canvas and isn't clipped off
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1498
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1499 var minMargin = options.grid.minBorderMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1500 axis, i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1501
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1502 // check stuff from the plot (FIXME: this should just read
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1503 // a value from the series, otherwise it's impossible to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1504 // customize)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1505 if (minMargin == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1506 minMargin = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1507 for (i = 0; i < series.length; ++i)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1508 minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1509 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1510
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1511 var margins = {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1512 left: minMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1513 right: minMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1514 top: minMargin,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1515 bottom: minMargin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1516 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1517
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1518 // check axis labels, note we don't check the actual
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1519 // labels but instead use the overall width/height to not
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1520 // jump as much around with replots
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1521 $.each(allAxes(), function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1522 if (axis.reserveSpace && axis.ticks && axis.ticks.length) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1523 var lastTick = axis.ticks[axis.ticks.length - 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1524 if (axis.direction === "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1525 margins.left = Math.max(margins.left, axis.labelWidth / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1526 if (lastTick.v <= axis.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1527 margins.right = Math.max(margins.right, axis.labelWidth / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1528 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1529 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1530 margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1531 if (lastTick.v <= axis.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1532 margins.top = Math.max(margins.top, axis.labelHeight / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1533 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1534 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1535 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1536 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1537
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1538 plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1539 plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1540 plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1541 plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1542 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1543
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1544 function setupGrid() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1545 var i, axes = allAxes(), showGrid = options.grid.show;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1546
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1547 // Initialize the plot's offset from the edge of the canvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1548
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1549 for (var a in plotOffset) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1550 var margin = options.grid.margin \|\| 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1551 plotOffset[a] = typeof margin == "number" ? margin : margin[a] \|\| 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1552 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1553
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1554 executeHooks(hooks.processOffset, [plotOffset]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1555
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1556 // If the grid is visible, add its border width to the offset
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1557
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1558 for (var a in plotOffset) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1559 if(typeof(options.grid.borderWidth) == "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1560 plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1561 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1562 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1563 plotOffset[a] += showGrid ? options.grid.borderWidth : 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1564 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1565 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1566
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1567 // init axes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1568 $.each(axes, function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1569 axis.show = axis.options.show;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1570 if (axis.show == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1571 axis.show = axis.used; // by default an axis is visible if it's got data
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1572
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1573 axis.reserveSpace = axis.show \|\| axis.options.reserveSpace;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1574
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1575 setRange(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1576 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1577
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1578 if (showGrid) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1579
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1580 var allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1581
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1582 $.each(allocatedAxes, function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1583 // make the ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1584 setupTickGeneration(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1585 setTicks(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1586 snapRangeToTicks(axis, axis.ticks);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1587 // find labelWidth/Height for axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1588 measureTickLabels(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1589 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1590
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1591 // with all dimensions calculated, we can compute the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1592 // axis bounding boxes, start from the outside
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1593 // (reverse order)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1594 for (i = allocatedAxes.length - 1; i >= 0; --i)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1595 allocateAxisBoxFirstPhase(allocatedAxes[i]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1596
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1597 // make sure we've got enough space for things that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1598 // might stick out
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1599 adjustLayoutForThingsStickingOut();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1600
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1601 $.each(allocatedAxes, function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1602 allocateAxisBoxSecondPhase(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1603 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1604 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1605
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1606 plotWidth = surface.width - plotOffset.left - plotOffset.right;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1607 plotHeight = surface.height - plotOffset.bottom - plotOffset.top;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1608
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1609 // now we got the proper plot dimensions, we can compute the scaling
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1610 $.each(axes, function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1611 setTransformationHelpers(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1612 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1613
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1614 if (showGrid) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1615 drawAxisLabels();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1616 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1617
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1618 insertLegend();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1619 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1620
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1621 function setRange(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1622 var opts = axis.options,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1623 min = +(opts.min != null ? opts.min : axis.datamin),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1624 max = +(opts.max != null ? opts.max : axis.datamax),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1625 delta = max - min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1626
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1627 if (delta == 0.0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1628 // degenerate case
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1629 var widen = max == 0 ? 1 : 0.01;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1630
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1631 if (opts.min == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1632 min -= widen;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1633 // always widen max if we couldn't widen min to ensure we
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1634 // don't fall into min == max which doesn't work
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1635 if (opts.max == null \|\| opts.min != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1636 max += widen;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1637 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1638 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1639 // consider autoscaling
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1640 var margin = opts.autoscaleMargin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1641 if (margin != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1642 if (opts.min == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1643 min -= delta * margin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1644 // make sure we don't go below zero if all values
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1645 // are positive
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1646 if (min < 0 && axis.datamin != null && axis.datamin >= 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1647 min = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1648 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1649 if (opts.max == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1650 max += delta * margin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1651 if (max > 0 && axis.datamax != null && axis.datamax <= 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1652 max = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1653 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1654 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1655 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1656 axis.min = min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1657 axis.max = max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1658 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1659
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1660 function setupTickGeneration(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1661 var opts = axis.options;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1662
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1663 // estimate number of ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1664 var noTicks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1665 if (typeof opts.ticks == "number" && opts.ticks > 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1666 noTicks = opts.ticks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1667 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1668 // heuristic based on the model a*sqrt(x) fitted to
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1669 // some data points that seemed reasonable
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1670 noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1671
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1672 var delta = (axis.max - axis.min) / noTicks,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1673 dec = -Math.floor(Math.log(delta) / Math.LN10),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1674 maxDec = opts.tickDecimals;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1675
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1676 if (maxDec != null && dec > maxDec) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1677 dec = maxDec;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1678 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1679
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1680 var magn = Math.pow(10, -dec),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1681 norm = delta / magn, // norm is between 1.0 and 10.0
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1682 size;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1683
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1684 if (norm < 1.5) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1685 size = 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1686 } else if (norm < 3) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1687 size = 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1688 // special case for 2.5, requires an extra decimal
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1689 if (norm > 2.25 && (maxDec == null \|\| dec + 1 <= maxDec)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1690 size = 2.5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1691 ++dec;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1692 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1693 } else if (norm < 7.5) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1694 size = 5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1695 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1696 size = 10;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1697 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1698
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1699 size *= magn;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1700
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1701 if (opts.minTickSize != null && size < opts.minTickSize) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1702 size = opts.minTickSize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1703 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1704
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1705 axis.delta = delta;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1706 axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1707 axis.tickSize = opts.tickSize \|\| size;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1708
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1709 // Time mode was moved to a plug-in in 0.8, and since so many people use it
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1710 // we'll add an especially friendly reminder to make sure they included it.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1711
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1712 if (opts.mode == "time" && !axis.tickGenerator) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1713 throw new Error("Time mode requires the flot.time plugin.");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1714 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1715
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1716 // Flot supports base-10 axes; any other mode else is handled by a plug-in,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1717 // like flot.time.js.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1718
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1719 if (!axis.tickGenerator) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1720
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1721 axis.tickGenerator = function (axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1722
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1723 var ticks = [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1724 start = floorInBase(axis.min, axis.tickSize),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1725 i = 0,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1726 v = Number.NaN,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1727 prev;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1728
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1729 do {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1730 prev = v;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1731 v = start + i * axis.tickSize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1732 ticks.push(v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1733 ++i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1734 } while (v < axis.max && v != prev);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1735 return ticks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1736 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1737
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1738 axis.tickFormatter = function (value, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1739
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1740 var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1741 var formatted = "" + Math.round(value * factor) / factor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1742
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1743 // If tickDecimals was specified, ensure that we have exactly that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1744 // much precision; otherwise default to the value's own precision.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1745
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1746 if (axis.tickDecimals != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1747 var decimal = formatted.indexOf(".");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1748 var precision = decimal == -1 ? 0 : formatted.length - decimal - 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1749 if (precision < axis.tickDecimals) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1750 return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1751 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1752 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1753
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1754 return formatted;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1755 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1756 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1757
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1758 if ($.isFunction(opts.tickFormatter))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1759 axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1760
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1761 if (opts.alignTicksWithAxis != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1762 var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1763 if (otherAxis && otherAxis.used && otherAxis != axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1764 // consider snapping min/max to outermost nice ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1765 var niceTicks = axis.tickGenerator(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1766 if (niceTicks.length > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1767 if (opts.min == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1768 axis.min = Math.min(axis.min, niceTicks[0]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1769 if (opts.max == null && niceTicks.length > 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1770 axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1771 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1772
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1773 axis.tickGenerator = function (axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1774 // copy ticks, scaled to this axis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1775 var ticks = [], v, i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1776 for (i = 0; i < otherAxis.ticks.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1777 v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1778 v = axis.min + v * (axis.max - axis.min);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1779 ticks.push(v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1780 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1781 return ticks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1782 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1783
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1784 // we might need an extra decimal since forced
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1785 // ticks don't necessarily fit naturally
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1786 if (!axis.mode && opts.tickDecimals == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1787 var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1788 ts = axis.tickGenerator(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1789
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1790 // only proceed if the tick interval rounded
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1791 // with an extra decimal doesn't give us a
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1792 // zero at end
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1793 if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec))))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1794 axis.tickDecimals = extraDec;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1795 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1796 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1797 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1798 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1799
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1800 function setTicks(axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1801 var oticks = axis.options.ticks, ticks = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1802 if (oticks == null \|\| (typeof oticks == "number" && oticks > 0))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1803 ticks = axis.tickGenerator(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1804 else if (oticks) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1805 if ($.isFunction(oticks))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1806 // generate the ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1807 ticks = oticks(axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1808 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1809 ticks = oticks;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1810 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1811
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1812 // clean up/labelify the supplied ticks, copy them over
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1813 var i, v;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1814 axis.ticks = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1815 for (i = 0; i < ticks.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1816 var label = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1817 var t = ticks[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1818 if (typeof t == "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1819 v = +t[0];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1820 if (t.length > 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1821 label = t[1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1822 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1823 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1824 v = +t;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1825 if (label == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1826 label = axis.tickFormatter(v, axis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1827 if (!isNaN(v))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1828 axis.ticks.push({ v: v, label: label });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1829 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1830 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1831
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1832 function snapRangeToTicks(axis, ticks) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1833 if (axis.options.autoscaleMargin && ticks.length > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1834 // snap to ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1835 if (axis.options.min == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1836 axis.min = Math.min(axis.min, ticks[0].v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1837 if (axis.options.max == null && ticks.length > 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1838 axis.max = Math.max(axis.max, ticks[ticks.length - 1].v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1839 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1840 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1841
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1842 function draw() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1843
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1844 surface.clear();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1845
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1846 executeHooks(hooks.drawBackground, [ctx]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1847
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1848 var grid = options.grid;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1849
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1850 // draw background, if any
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1851 if (grid.show && grid.backgroundColor)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1852 drawBackground();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1853
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1854 if (grid.show && !grid.aboveData) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1855 drawGrid();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1856 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1857
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1858 for (var i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1859 executeHooks(hooks.drawSeries, [ctx, series[i]]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1860 drawSeries(series[i]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1861 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1862
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1863 executeHooks(hooks.draw, [ctx]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1864
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1865 if (grid.show && grid.aboveData) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1866 drawGrid();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1867 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1868
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1869 surface.render();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1870
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1871 // A draw implies that either the axes or data have changed, so we
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1872 // should probably update the overlay highlights as well.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1873
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1874 triggerRedrawOverlay();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1875 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1876
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1877 function extractRange(ranges, coord) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1878 var axis, from, to, key, axes = allAxes();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1879
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1880 for (var i = 0; i < axes.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1881 axis = axes[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1882 if (axis.direction == coord) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1883 key = coord + axis.n + "axis";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1884 if (!ranges[key] && axis.n == 1)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1885 key = coord + "axis"; // support x1axis as xaxis
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1886 if (ranges[key]) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1887 from = ranges[key].from;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1888 to = ranges[key].to;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1889 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1890 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1891 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1892 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1893
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1894 // backwards-compat stuff - to be removed in future
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1895 if (!ranges[key]) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1896 axis = coord == "x" ? xaxes[0] : yaxes[0];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1897 from = ranges[coord + "1"];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1898 to = ranges[coord + "2"];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1899 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1900
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1901 // auto-reverse as an added bonus
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1902 if (from != null && to != null && from > to) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1903 var tmp = from;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1904 from = to;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1905 to = tmp;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1906 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1907
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1908 return { from: from, to: to, axis: axis };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1909 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1910
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1911 function drawBackground() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1912 ctx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1913 ctx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1914
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1915 ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1916 ctx.fillRect(0, 0, plotWidth, plotHeight);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1917 ctx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1918 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1919
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1920 function drawGrid() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1921 var i, axes, bw, bc;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1922
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1923 ctx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1924 ctx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1925
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1926 // draw markings
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1927 var markings = options.grid.markings;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1928 if (markings) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1929 if ($.isFunction(markings)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1930 axes = plot.getAxes();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1931 // xmin etc. is backwards compatibility, to be
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1932 // removed in the future
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1933 axes.xmin = axes.xaxis.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1934 axes.xmax = axes.xaxis.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1935 axes.ymin = axes.yaxis.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1936 axes.ymax = axes.yaxis.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1937
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1938 markings = markings(axes);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1939 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1940
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1941 for (i = 0; i < markings.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1942 var m = markings[i],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1943 xrange = extractRange(m, "x"),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1944 yrange = extractRange(m, "y");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1945
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1946 // fill in missing
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1947 if (xrange.from == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1948 xrange.from = xrange.axis.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1949 if (xrange.to == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1950 xrange.to = xrange.axis.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1951 if (yrange.from == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1952 yrange.from = yrange.axis.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1953 if (yrange.to == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1954 yrange.to = yrange.axis.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1955
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1956 // clip
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1957 if (xrange.to < xrange.axis.min \|\| xrange.from > xrange.axis.max \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1958 yrange.to < yrange.axis.min \|\| yrange.from > yrange.axis.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1959 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1960
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1961 xrange.from = Math.max(xrange.from, xrange.axis.min);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1962 xrange.to = Math.min(xrange.to, xrange.axis.max);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1963 yrange.from = Math.max(yrange.from, yrange.axis.min);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1964 yrange.to = Math.min(yrange.to, yrange.axis.max);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1965
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1966 var xequal = xrange.from === xrange.to,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1967 yequal = yrange.from === yrange.to;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1968
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1969 if (xequal && yequal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1970 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1971 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1972
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1973 // then draw
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1974 xrange.from = Math.floor(xrange.axis.p2c(xrange.from));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1975 xrange.to = Math.floor(xrange.axis.p2c(xrange.to));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1976 yrange.from = Math.floor(yrange.axis.p2c(yrange.from));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1977 yrange.to = Math.floor(yrange.axis.p2c(yrange.to));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1978
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1979 if (xequal \|\| yequal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1980 var lineWidth = m.lineWidth \|\| options.grid.markingsLineWidth,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1981 subPixel = lineWidth % 2 ? 0.5 : 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1982 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1983 ctx.strokeStyle = m.color \|\| options.grid.markingsColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1984 ctx.lineWidth = lineWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1985 if (xequal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1986 ctx.moveTo(xrange.to + subPixel, yrange.from);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1987 ctx.lineTo(xrange.to + subPixel, yrange.to);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1988 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1989 ctx.moveTo(xrange.from, yrange.to + subPixel);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1990 ctx.lineTo(xrange.to, yrange.to + subPixel);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1991 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1992 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1993 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1994 ctx.fillStyle = m.color \|\| options.grid.markingsColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1995 ctx.fillRect(xrange.from, yrange.to,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1996 xrange.to - xrange.from,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1997 yrange.from - yrange.to);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1998 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	1999 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2000 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2001
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2002 // draw the ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2003 axes = allAxes();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2004 bw = options.grid.borderWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2005
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2006 for (var j = 0; j < axes.length; ++j) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2007 var axis = axes[j], box = axis.box,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2008 t = axis.tickLength, x, y, xoff, yoff;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2009 if (!axis.show \|\| axis.ticks.length == 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2010 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2011
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2012 ctx.lineWidth = 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2013
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2014 // find the edges
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2015 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2016 x = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2017 if (t == "full")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2018 y = (axis.position == "top" ? 0 : plotHeight);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2019 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2020 y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2021 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2022 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2023 y = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2024 if (t == "full")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2025 x = (axis.position == "left" ? 0 : plotWidth);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2026 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2027 x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2028 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2029
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2030 // draw tick bar
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2031 if (!axis.innermost) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2032 ctx.strokeStyle = axis.options.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2033 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2034 xoff = yoff = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2035 if (axis.direction == "x")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2036 xoff = plotWidth + 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2037 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2038 yoff = plotHeight + 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2039
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2040 if (ctx.lineWidth == 1) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2041 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2042 y = Math.floor(y) + 0.5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2043 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2044 x = Math.floor(x) + 0.5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2045 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2046 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2047
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2048 ctx.moveTo(x, y);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2049 ctx.lineTo(x + xoff, y + yoff);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2050 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2051 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2052
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2053 // draw ticks
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2054
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2055 ctx.strokeStyle = axis.options.tickColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2056
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2057 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2058 for (i = 0; i < axis.ticks.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2059 var v = axis.ticks[i].v;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2060
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2061 xoff = yoff = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2062
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2063 if (isNaN(v) \|\| v < axis.min \|\| v > axis.max
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2064 // skip those lying on the axes if we got a border
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2065 \|\| (t == "full"
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2066 && ((typeof bw == "object" && bw[axis.position] > 0) \|\| bw > 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2067 && (v == axis.min \|\| v == axis.max)))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2068 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2069
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2070 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2071 x = axis.p2c(v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2072 yoff = t == "full" ? -plotHeight : t;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2073
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2074 if (axis.position == "top")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2075 yoff = -yoff;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2076 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2077 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2078 y = axis.p2c(v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2079 xoff = t == "full" ? -plotWidth : t;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2080
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2081 if (axis.position == "left")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2082 xoff = -xoff;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2083 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2084
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2085 if (ctx.lineWidth == 1) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2086 if (axis.direction == "x")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2087 x = Math.floor(x) + 0.5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2088 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2089 y = Math.floor(y) + 0.5;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2090 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2091
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2092 ctx.moveTo(x, y);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2093 ctx.lineTo(x + xoff, y + yoff);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2094 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2095
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2096 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2097 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2098
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2099
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2100 // draw border
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2101 if (bw) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2102 // If either borderWidth or borderColor is an object, then draw the border
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2103 // line by line instead of as one rectangle
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2104 bc = options.grid.borderColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2105 if(typeof bw == "object" \|\| typeof bc == "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2106 if (typeof bw !== "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2107 bw = {top: bw, right: bw, bottom: bw, left: bw};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2108 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2109 if (typeof bc !== "object") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2110 bc = {top: bc, right: bc, bottom: bc, left: bc};
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2111 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2112
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2113 if (bw.top > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2114 ctx.strokeStyle = bc.top;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2115 ctx.lineWidth = bw.top;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2116 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2117 ctx.moveTo(0 - bw.left, 0 - bw.top/2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2118 ctx.lineTo(plotWidth, 0 - bw.top/2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2119 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2120 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2121
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2122 if (bw.right > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2123 ctx.strokeStyle = bc.right;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2124 ctx.lineWidth = bw.right;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2125 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2126 ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2127 ctx.lineTo(plotWidth + bw.right / 2, plotHeight);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2128 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2129 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2130
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2131 if (bw.bottom > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2132 ctx.strokeStyle = bc.bottom;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2133 ctx.lineWidth = bw.bottom;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2134 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2135 ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2136 ctx.lineTo(0, plotHeight + bw.bottom / 2);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2137 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2138 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2139
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2140 if (bw.left > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2141 ctx.strokeStyle = bc.left;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2142 ctx.lineWidth = bw.left;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2143 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2144 ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2145 ctx.lineTo(0- bw.left/2, 0);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2146 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2147 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2148 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2149 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2150 ctx.lineWidth = bw;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2151 ctx.strokeStyle = options.grid.borderColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2152 ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2153 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2154 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2155
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2156 ctx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2157 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2158
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2159 function drawAxisLabels() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2160
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2161 $.each(allAxes(), function (_, axis) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2162 var box = axis.box,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2163 legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2164 layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2165 font = axis.options.font \|\| "flot-tick-label tickLabel",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2166 tick, x, y, halign, valign;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2167
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2168 // Remove text before checking for axis.show and ticks.length;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2169 // otherwise plugins, like flot-tickrotor, that draw their own
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2170 // tick labels will end up with both theirs and the defaults.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2171
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2172 surface.removeText(layer);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2173
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2174 if (!axis.show \|\| axis.ticks.length == 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2175 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2176
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2177 for (var i = 0; i < axis.ticks.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2178
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2179 tick = axis.ticks[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2180 if (!tick.label \|\| tick.v < axis.min \|\| tick.v > axis.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2181 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2182
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2183 if (axis.direction == "x") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2184 halign = "center";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2185 x = plotOffset.left + axis.p2c(tick.v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2186 if (axis.position == "bottom") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2187 y = box.top + box.padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2188 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2189 y = box.top + box.height - box.padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2190 valign = "bottom";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2191 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2192 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2193 valign = "middle";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2194 y = plotOffset.top + axis.p2c(tick.v);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2195 if (axis.position == "left") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2196 x = box.left + box.width - box.padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2197 halign = "right";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2198 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2199 x = box.left + box.padding;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2200 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2201 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2202
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2203 surface.addText(layer, x, y, tick.label, font, null, null, halign, valign);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2204 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2205 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2206 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2207
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2208 function drawSeries(series) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2209 if (series.lines.show)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2210 drawSeriesLines(series);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2211 if (series.bars.show)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2212 drawSeriesBars(series);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2213 if (series.points.show)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2214 drawSeriesPoints(series);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2215 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2216
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2217 function drawSeriesLines(series) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2218 function plotLine(datapoints, xoffset, yoffset, axisx, axisy) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2219 var points = datapoints.points,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2220 ps = datapoints.pointsize,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2221 prevx = null, prevy = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2222
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2223 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2224 for (var i = ps; i < points.length; i += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2225 var x1 = points[i - ps], y1 = points[i - ps + 1],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2226 x2 = points[i], y2 = points[i + 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2227
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2228 if (x1 == null \|\| x2 == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2229 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2230
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2231 // clip with ymin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2232 if (y1 <= y2 && y1 < axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2233 if (y2 < axisy.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2234 continue; // line segment is outside
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2235 // compute new intersection point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2236 x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2237 y1 = axisy.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2238 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2239 else if (y2 <= y1 && y2 < axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2240 if (y1 < axisy.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2241 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2242 x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2243 y2 = axisy.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2244 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2245
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2246 // clip with ymax
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2247 if (y1 >= y2 && y1 > axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2248 if (y2 > axisy.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2249 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2250 x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2251 y1 = axisy.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2252 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2253 else if (y2 >= y1 && y2 > axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2254 if (y1 > axisy.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2255 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2256 x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2257 y2 = axisy.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2258 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2259
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2260 // clip with xmin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2261 if (x1 <= x2 && x1 < axisx.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2262 if (x2 < axisx.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2263 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2264 y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2265 x1 = axisx.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2266 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2267 else if (x2 <= x1 && x2 < axisx.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2268 if (x1 < axisx.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2269 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2270 y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2271 x2 = axisx.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2272 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2273
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2274 // clip with xmax
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2275 if (x1 >= x2 && x1 > axisx.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2276 if (x2 > axisx.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2277 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2278 y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2279 x1 = axisx.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2280 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2281 else if (x2 >= x1 && x2 > axisx.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2282 if (x1 > axisx.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2283 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2284 y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2285 x2 = axisx.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2286 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2287
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2288 if (x1 != prevx \|\| y1 != prevy)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2289 ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2290
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2291 prevx = x2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2292 prevy = y2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2293 ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2294 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2295 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2296 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2297
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2298 function plotLineArea(datapoints, axisx, axisy) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2299 var points = datapoints.points,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2300 ps = datapoints.pointsize,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2301 bottom = Math.min(Math.max(0, axisy.min), axisy.max),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2302 i = 0, top, areaOpen = false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2303 ypos = 1, segmentStart = 0, segmentEnd = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2304
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2305 // we process each segment in two turns, first forward
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2306 // direction to sketch out top, then once we hit the
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2307 // end we go backwards to sketch the bottom
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2308 while (true) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2309 if (ps > 0 && i > points.length + ps)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2310 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2311
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2312 i += ps; // ps is negative if going backwards
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2313
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2314 var x1 = points[i - ps],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2315 y1 = points[i - ps + ypos],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2316 x2 = points[i], y2 = points[i + ypos];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2317
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2318 if (areaOpen) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2319 if (ps > 0 && x1 != null && x2 == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2320 // at turning point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2321 segmentEnd = i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2322 ps = -ps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2323 ypos = 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2324 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2325 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2326
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2327 if (ps < 0 && i == segmentStart + ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2328 // done with the reverse sweep
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2329 ctx.fill();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2330 areaOpen = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2331 ps = -ps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2332 ypos = 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2333 i = segmentStart = segmentEnd + ps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2334 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2335 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2336 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2337
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2338 if (x1 == null \|\| x2 == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2339 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2340
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2341 // clip x values
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2342
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2343 // clip with xmin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2344 if (x1 <= x2 && x1 < axisx.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2345 if (x2 < axisx.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2346 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2347 y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2348 x1 = axisx.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2349 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2350 else if (x2 <= x1 && x2 < axisx.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2351 if (x1 < axisx.min)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2352 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2353 y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2354 x2 = axisx.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2355 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2356
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2357 // clip with xmax
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2358 if (x1 >= x2 && x1 > axisx.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2359 if (x2 > axisx.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2360 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2361 y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2362 x1 = axisx.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2363 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2364 else if (x2 >= x1 && x2 > axisx.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2365 if (x1 > axisx.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2366 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2367 y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2368 x2 = axisx.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2369 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2370
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2371 if (!areaOpen) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2372 // open area
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2373 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2374 ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2375 areaOpen = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2376 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2377
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2378 // now first check the case where both is outside
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2379 if (y1 >= axisy.max && y2 >= axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2380 ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2381 ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2382 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2383 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2384 else if (y1 <= axisy.min && y2 <= axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2385 ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2386 ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2387 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2388 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2389
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2390 // else it's a bit more complicated, there might
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2391 // be a flat maxed out rectangle first, then a
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2392 // triangular cutout or reverse; to find these
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2393 // keep track of the current x values
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2394 var x1old = x1, x2old = x2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2395
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2396 // clip the y values, without shortcutting, we
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2397 // go through all cases in turn
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2398
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2399 // clip with ymin
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2400 if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2401 x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2402 y1 = axisy.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2403 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2404 else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2405 x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2406 y2 = axisy.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2407 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2408
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2409 // clip with ymax
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2410 if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2411 x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2412 y1 = axisy.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2413 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2414 else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2415 x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2416 y2 = axisy.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2417 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2418
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2419 // if the x value was changed we got a rectangle
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2420 // to fill
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2421 if (x1 != x1old) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2422 ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2423 // it goes to (x1, y1), but we fill that below
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2424 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2425
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2426 // fill triangular section, this sometimes result
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2427 // in redundant points if (x1, y1) hasn't changed
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2428 // from previous line to, but we just ignore that
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2429 ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2430 ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2431
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2432 // fill the other rectangle if it's there
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2433 if (x2 != x2old) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2434 ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2435 ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2436 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2437 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2438 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2439
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2440 ctx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2441 ctx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2442 ctx.lineJoin = "round";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2443
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2444 var lw = series.lines.lineWidth,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2445 sw = series.shadowSize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2446 // FIXME: consider another form of shadow when filling is turned on
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2447 if (lw > 0 && sw > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2448 // draw shadow as a thick and thin line with transparency
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2449 ctx.lineWidth = sw;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2450 ctx.strokeStyle = "rgba(0,0,0,0.1)";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2451 // position shadow at angle from the mid of line
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2452 var angle = Math.PI/18;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2453 plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2454 ctx.lineWidth = sw/2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2455 plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2456 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2457
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2458 ctx.lineWidth = lw;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2459 ctx.strokeStyle = series.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2460 var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2461 if (fillStyle) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2462 ctx.fillStyle = fillStyle;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2463 plotLineArea(series.datapoints, series.xaxis, series.yaxis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2464 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2465
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2466 if (lw > 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2467 plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2468 ctx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2469 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2470
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2471 function drawSeriesPoints(series) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2472 function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2473 var points = datapoints.points, ps = datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2474
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2475 for (var i = 0; i < points.length; i += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2476 var x = points[i], y = points[i + 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2477 if (x == null \|\| x < axisx.min \|\| x > axisx.max \|\| y < axisy.min \|\| y > axisy.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2478 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2479
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2480 ctx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2481 x = axisx.p2c(x);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2482 y = axisy.p2c(y) + offset;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2483 if (symbol == "circle")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2484 ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2485 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2486 symbol(ctx, x, y, radius, shadow);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2487 ctx.closePath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2488
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2489 if (fillStyle) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2490 ctx.fillStyle = fillStyle;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2491 ctx.fill();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2492 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2493 ctx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2494 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2495 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2496
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2497 ctx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2498 ctx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2499
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2500 var lw = series.points.lineWidth,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2501 sw = series.shadowSize,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2502 radius = series.points.radius,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2503 symbol = series.points.symbol;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2504
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2505 // If the user sets the line width to 0, we change it to a very
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2506 // small value. A line width of 0 seems to force the default of 1.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2507 // Doing the conditional here allows the shadow setting to still be
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2508 // optional even with a lineWidth of 0.
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2509
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2510 if( lw == 0 )
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2511 lw = 0.0001;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2512
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2513 if (lw > 0 && sw > 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2514 // draw shadow in two steps
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2515 var w = sw / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2516 ctx.lineWidth = w;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2517 ctx.strokeStyle = "rgba(0,0,0,0.1)";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2518 plotPoints(series.datapoints, radius, null, w + w/2, true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2519 series.xaxis, series.yaxis, symbol);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2520
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2521 ctx.strokeStyle = "rgba(0,0,0,0.2)";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2522 plotPoints(series.datapoints, radius, null, w/2, true,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2523 series.xaxis, series.yaxis, symbol);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2524 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2525
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2526 ctx.lineWidth = lw;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2527 ctx.strokeStyle = series.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2528 plotPoints(series.datapoints, radius,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2529 getFillStyle(series.points, series.color), 0, false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2530 series.xaxis, series.yaxis, symbol);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2531 ctx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2532 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2533
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2534 function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2535 var left, right, bottom, top,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2536 drawLeft, drawRight, drawTop, drawBottom,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2537 tmp;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2538
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2539 // in horizontal mode, we start the bar from the left
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2540 // instead of from the bottom so it appears to be
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2541 // horizontal rather than vertical
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2542 if (horizontal) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2543 drawBottom = drawRight = drawTop = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2544 drawLeft = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2545 left = b;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2546 right = x;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2547 top = y + barLeft;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2548 bottom = y + barRight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2549
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2550 // account for negative bars
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2551 if (right < left) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2552 tmp = right;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2553 right = left;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2554 left = tmp;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2555 drawLeft = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2556 drawRight = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2557 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2558 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2559 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2560 drawLeft = drawRight = drawTop = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2561 drawBottom = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2562 left = x + barLeft;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2563 right = x + barRight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2564 bottom = b;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2565 top = y;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2566
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2567 // account for negative bars
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2568 if (top < bottom) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2569 tmp = top;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2570 top = bottom;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2571 bottom = tmp;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2572 drawBottom = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2573 drawTop = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2574 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2575 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2576
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2577 // clip
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2578 if (right < axisx.min \|\| left > axisx.max \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2579 top < axisy.min \|\| bottom > axisy.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2580 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2581
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2582 if (left < axisx.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2583 left = axisx.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2584 drawLeft = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2585 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2586
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2587 if (right > axisx.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2588 right = axisx.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2589 drawRight = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2590 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2591
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2592 if (bottom < axisy.min) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2593 bottom = axisy.min;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2594 drawBottom = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2595 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2596
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2597 if (top > axisy.max) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2598 top = axisy.max;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2599 drawTop = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2600 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2601
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2602 left = axisx.p2c(left);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2603 bottom = axisy.p2c(bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2604 right = axisx.p2c(right);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2605 top = axisy.p2c(top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2606
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2607 // fill the bar
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2608 if (fillStyleCallback) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2609 c.fillStyle = fillStyleCallback(bottom, top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2610 c.fillRect(left, top, right - left, bottom - top)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2611 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2612
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2613 // draw outline
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2614 if (lineWidth > 0 && (drawLeft \|\| drawRight \|\| drawTop \|\| drawBottom)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2615 c.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2616
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2617 // FIXME: inline moveTo is buggy with excanvas
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2618 c.moveTo(left, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2619 if (drawLeft)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2620 c.lineTo(left, top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2621 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2622 c.moveTo(left, top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2623 if (drawTop)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2624 c.lineTo(right, top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2625 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2626 c.moveTo(right, top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2627 if (drawRight)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2628 c.lineTo(right, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2629 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2630 c.moveTo(right, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2631 if (drawBottom)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2632 c.lineTo(left, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2633 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2634 c.moveTo(left, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2635 c.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2636 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2637 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2638
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2639 function drawSeriesBars(series) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2640 function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2641 var points = datapoints.points, ps = datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2642
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2643 for (var i = 0; i < points.length; i += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2644 if (points[i] == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2645 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2646 drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2647 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2648 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2649
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2650 ctx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2651 ctx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2652
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2653 // FIXME: figure out a way to add shadows (for instance along the right edge)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2654 ctx.lineWidth = series.bars.lineWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2655 ctx.strokeStyle = series.color;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2656
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2657 var barLeft;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2658
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2659 switch (series.bars.align) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2660 case "left":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2661 barLeft = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2662 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2663 case "right":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2664 barLeft = -series.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2665 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2666 default:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2667 barLeft = -series.bars.barWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2668 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2669
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2670 var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2671 plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2672 ctx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2673 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2674
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2675 function getFillStyle(filloptions, seriesColor, bottom, top) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2676 var fill = filloptions.fill;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2677 if (!fill)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2678 return null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2679
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2680 if (filloptions.fillColor)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2681 return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2682
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2683 var c = $.color.parse(seriesColor);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2684 c.a = typeof fill == "number" ? fill : 0.4;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2685 c.normalize();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2686 return c.toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2687 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2688
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2689 function insertLegend() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2690
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2691 if (options.legend.container != null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2692 $(options.legend.container).html("");
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2693 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2694 placeholder.find(".legend").remove();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2695 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2696
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2697 if (!options.legend.show) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2698 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2699 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2700
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2701 var fragments = [], entries = [], rowStarted = false,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2702 lf = options.legend.labelFormatter, s, label;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2703
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2704 // Build a list of legend entries, with each having a label and a color
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2705
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2706 for (var i = 0; i < series.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2707 s = series[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2708 if (s.label) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2709 label = lf ? lf(s.label, s) : s.label;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2710 if (label) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2711 entries.push({
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2712 label: label,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2713 color: s.color
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2714 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2715 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2716 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2717 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2718
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2719 // Sort the legend using either the default or a custom comparator
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2720
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2721 if (options.legend.sorted) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2722 if ($.isFunction(options.legend.sorted)) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2723 entries.sort(options.legend.sorted);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2724 } else if (options.legend.sorted == "reverse") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2725 entries.reverse();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2726 } else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2727 var ascending = options.legend.sorted != "descending";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2728 entries.sort(function(a, b) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2729 return a.label == b.label ? 0 : (
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2730 (a.label < b.label) != ascending ? 1 : -1 // Logical XOR
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2731 );
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2732 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2733 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2734 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2735
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2736 // Generate markup for the list of entries, in their final order
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2737
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2738 for (var i = 0; i < entries.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2739
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2740 var entry = entries[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2741
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2742 if (i % options.legend.noColumns == 0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2743 if (rowStarted)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2744 fragments.push('</tr>');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2745 fragments.push('<tr>');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2746 rowStarted = true;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2747 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2748
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2749 fragments.push(
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2750 '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + entry.color + ';overflow:hidden"></div></div></td>' +
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2751 '<td class="legendLabel">' + entry.label + '</td>'
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2752 );
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2753 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2754
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2755 if (rowStarted)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2756 fragments.push('</tr>');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2757
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2758 if (fragments.length == 0)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2759 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2760
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2761 var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>';
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2762 if (options.legend.container != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2763 $(options.legend.container).html(table);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2764 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2765 var pos = "",
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2766 p = options.legend.position,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2767 m = options.legend.margin;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2768 if (m[0] == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2769 m = [m, m];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2770 if (p.charAt(0) == "n")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2771 pos += 'top:' + (m[1] + plotOffset.top) + 'px;';
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2772 else if (p.charAt(0) == "s")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2773 pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;';
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2774 if (p.charAt(1) == "e")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2775 pos += 'right:' + (m[0] + plotOffset.right) + 'px;';
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2776 else if (p.charAt(1) == "w")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2777 pos += 'left:' + (m[0] + plotOffset.left) + 'px;';
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2778 var legend = $('<div class="legend">' + table.replace('style="', 'style="position:absolute;' + pos +';') + '</div>').appendTo(placeholder);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2779 if (options.legend.backgroundOpacity != 0.0) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2780 // put in the transparent background
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2781 // separately to avoid blended labels and
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2782 // label boxes
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2783 var c = options.legend.backgroundColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2784 if (c == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2785 c = options.grid.backgroundColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2786 if (c && typeof c == "string")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2787 c = $.color.parse(c);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2788 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2789 c = $.color.extract(legend, 'background-color');
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2790 c.a = 1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2791 c = c.toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2792 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2793 var div = legend.children();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2794 $('<div style="position:absolute;width:' + div.width() + 'px;height:' + div.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').prependTo(legend).css('opacity', options.legend.backgroundOpacity);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2795 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2796 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2797 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2798
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2799
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2800 // interactive features
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2801
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2802 var highlights = [],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2803 redrawTimeout = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2804
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2805 // returns the data item the mouse is over, or null if none is found
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2806 function findNearbyItem(mouseX, mouseY, seriesFilter) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2807 var maxDistance = options.grid.mouseActiveRadius,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2808 smallestDistance = maxDistance * maxDistance + 1,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2809 item = null, foundPoint = false, i, j, ps;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2810
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2811 for (i = series.length - 1; i >= 0; --i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2812 if (!seriesFilter(series[i]))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2813 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2814
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2815 var s = series[i],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2816 axisx = s.xaxis,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2817 axisy = s.yaxis,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2818 points = s.datapoints.points,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2819 mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2820 my = axisy.c2p(mouseY),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2821 maxx = maxDistance / axisx.scale,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2822 maxy = maxDistance / axisy.scale;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2823
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2824 ps = s.datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2825 // with inverse transforms, we can't use the maxx/maxy
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2826 // optimization, sadly
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2827 if (axisx.options.inverseTransform)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2828 maxx = Number.MAX_VALUE;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2829 if (axisy.options.inverseTransform)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2830 maxy = Number.MAX_VALUE;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2831
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2832 if (s.lines.show \|\| s.points.show) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2833 for (j = 0; j < points.length; j += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2834 var x = points[j], y = points[j + 1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2835 if (x == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2836 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2837
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2838 // For points and lines, the cursor must be within a
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2839 // certain distance to the data point
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2840 if (x - mx > maxx \|\| x - mx < -maxx \|\|
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2841 y - my > maxy \|\| y - my < -maxy)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2842 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2843
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2844 // We have to calculate distances in pixels, not in
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2845 // data units, because the scales of the axes may be different
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2846 var dx = Math.abs(axisx.p2c(x) - mouseX),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2847 dy = Math.abs(axisy.p2c(y) - mouseY),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2848 dist = dx * dx + dy * dy; // we save the sqrt
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2849
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2850 // use <= to ensure last point takes precedence
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2851 // (last generally means on top of)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2852 if (dist < smallestDistance) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2853 smallestDistance = dist;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2854 item = [i, j / ps];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2855 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2856 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2857 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2858
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2859 if (s.bars.show && !item) { // no other point can be nearby
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2860
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2861 var barLeft, barRight;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2862
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2863 switch (s.bars.align) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2864 case "left":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2865 barLeft = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2866 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2867 case "right":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2868 barLeft = -s.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2869 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2870 default:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2871 barLeft = -s.bars.barWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2872 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2873
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2874 barRight = barLeft + s.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2875
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2876 for (j = 0; j < points.length; j += ps) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2877 var x = points[j], y = points[j + 1], b = points[j + 2];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2878 if (x == null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2879 continue;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2880
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2881 // for a bar graph, the cursor must be inside the bar
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2882 if (series[i].bars.horizontal ?
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2883 (mx <= Math.max(b, x) && mx >= Math.min(b, x) &&
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2884 my >= y + barLeft && my <= y + barRight) :
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2885 (mx >= x + barLeft && mx <= x + barRight &&
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2886 my >= Math.min(b, y) && my <= Math.max(b, y)))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2887 item = [i, j / ps];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2888 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2889 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2890 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2891
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2892 if (item) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2893 i = item[0];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2894 j = item[1];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2895 ps = series[i].datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2896
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2897 return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2898 dataIndex: j,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2899 series: series[i],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2900 seriesIndex: i };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2901 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2902
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2903 return null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2904 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2905
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2906 function onMouseMove(e) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2907 if (options.grid.hoverable)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2908 triggerClickHoverEvent("plothover", e,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2909 function (s) { return s["hoverable"] != false; });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2910 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2911
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2912 function onMouseLeave(e) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2913 if (options.grid.hoverable)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2914 triggerClickHoverEvent("plothover", e,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2915 function (s) { return false; });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2916 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2917
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2918 function onClick(e) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2919 triggerClickHoverEvent("plotclick", e,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2920 function (s) { return s["clickable"] != false; });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2921 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2922
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2923 // trigger click or hover event (they send the same parameters
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2924 // so we share their code)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2925 function triggerClickHoverEvent(eventname, event, seriesFilter) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2926 var offset = eventHolder.offset(),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2927 canvasX = event.pageX - offset.left - plotOffset.left,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2928 canvasY = event.pageY - offset.top - plotOffset.top,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2929 pos = canvasToAxisCoords({ left: canvasX, top: canvasY });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2930
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2931 pos.pageX = event.pageX;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2932 pos.pageY = event.pageY;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2933
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2934 var item = findNearbyItem(canvasX, canvasY, seriesFilter);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2935
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2936 if (item) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2937 // fill in mouse pos for any listeners out there
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2938 item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2939 item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2940 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2941
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2942 if (options.grid.autoHighlight) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2943 // clear auto-highlights
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2944 for (var i = 0; i < highlights.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2945 var h = highlights[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2946 if (h.auto == eventname &&
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2947 !(item && h.series == item.series &&
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2948 h.point[0] == item.datapoint[0] &&
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2949 h.point[1] == item.datapoint[1]))
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2950 unhighlight(h.series, h.point);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2951 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2952
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2953 if (item)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2954 highlight(item.series, item.datapoint, eventname);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2955 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2956
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2957 placeholder.trigger(eventname, [ pos, item ]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2958 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2959
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2960 function triggerRedrawOverlay() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2961 var t = options.interaction.redrawOverlayInterval;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2962 if (t == -1) { // skip event queue
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2963 drawOverlay();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2964 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2965 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2966
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2967 if (!redrawTimeout)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2968 redrawTimeout = setTimeout(drawOverlay, t);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2969 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2970
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2971 function drawOverlay() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2972 redrawTimeout = null;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2973
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2974 // draw highlights
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2975 octx.save();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2976 overlay.clear();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2977 octx.translate(plotOffset.left, plotOffset.top);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2978
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2979 var i, hi;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2980 for (i = 0; i < highlights.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2981 hi = highlights[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2982
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2983 if (hi.series.bars.show)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2984 drawBarHighlight(hi.series, hi.point);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2985 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2986 drawPointHighlight(hi.series, hi.point);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2987 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2988 octx.restore();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2989
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2990 executeHooks(hooks.drawOverlay, [octx]);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2991 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2992
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2993 function highlight(s, point, auto) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2994 if (typeof s == "number")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2995 s = series[s];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2996
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2997 if (typeof point == "number") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2998 var ps = s.datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	2999 point = s.datapoints.points.slice(ps * point, ps * (point + 1));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3000 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3001
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3002 var i = indexOfHighlight(s, point);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3003 if (i == -1) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3004 highlights.push({ series: s, point: point, auto: auto });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3005
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3006 triggerRedrawOverlay();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3007 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3008 else if (!auto)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3009 highlights[i].auto = false;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3010 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3011
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3012 function unhighlight(s, point) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3013 if (s == null && point == null) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3014 highlights = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3015 triggerRedrawOverlay();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3016 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3017 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3018
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3019 if (typeof s == "number")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3020 s = series[s];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3021
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3022 if (typeof point == "number") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3023 var ps = s.datapoints.pointsize;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3024 point = s.datapoints.points.slice(ps * point, ps * (point + 1));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3025 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3026
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3027 var i = indexOfHighlight(s, point);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3028 if (i != -1) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3029 highlights.splice(i, 1);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3030
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3031 triggerRedrawOverlay();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3032 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3033 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3034
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3035 function indexOfHighlight(s, p) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3036 for (var i = 0; i < highlights.length; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3037 var h = highlights[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3038 if (h.series == s && h.point[0] == p[0]
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3039 && h.point[1] == p[1])
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3040 return i;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3041 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3042 return -1;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3043 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3044
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3045 function drawPointHighlight(series, point) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3046 var x = point[0], y = point[1],
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3047 axisx = series.xaxis, axisy = series.yaxis,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3048 highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3049
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3050 if (x < axisx.min \|\| x > axisx.max \|\| y < axisy.min \|\| y > axisy.max)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3051 return;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3052
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3053 var pointRadius = series.points.radius + series.points.lineWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3054 octx.lineWidth = pointRadius;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3055 octx.strokeStyle = highlightColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3056 var radius = 1.5 * pointRadius;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3057 x = axisx.p2c(x);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3058 y = axisy.p2c(y);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3059
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3060 octx.beginPath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3061 if (series.points.symbol == "circle")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3062 octx.arc(x, y, radius, 0, 2 * Math.PI, false);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3063 else
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3064 series.points.symbol(octx, x, y, radius, false);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3065 octx.closePath();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3066 octx.stroke();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3067 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3068
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3069 function drawBarHighlight(series, point) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3070 var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(),
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3071 fillStyle = highlightColor,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3072 barLeft;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3073
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3074 switch (series.bars.align) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3075 case "left":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3076 barLeft = 0;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3077 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3078 case "right":
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3079 barLeft = -series.bars.barWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3080 break;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3081 default:
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3082 barLeft = -series.bars.barWidth / 2;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3083 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3084
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3085 octx.lineWidth = series.bars.lineWidth;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3086 octx.strokeStyle = highlightColor;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3087
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3088 drawBar(point[0], point[1], point[2] \|\| 0, barLeft, barLeft + series.bars.barWidth,
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3089 function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3090 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3091
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3092 function getColorOrGradient(spec, bottom, top, defaultColor) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3093 if (typeof spec == "string")
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3094 return spec;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3095 else {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3096 // assume this is a gradient spec; IE currently only
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3097 // supports a simple vertical gradient properly, so that's
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3098 // what we support too
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3099 var gradient = ctx.createLinearGradient(0, top, 0, bottom);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3100
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3101 for (var i = 0, l = spec.colors.length; i < l; ++i) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3102 var c = spec.colors[i];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3103 if (typeof c != "string") {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3104 var co = $.color.parse(defaultColor);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3105 if (c.brightness != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3106 co = co.scale('rgb', c.brightness);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3107 if (c.opacity != null)
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3108 co.a *= c.opacity;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3109 c = co.toString();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3110 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3111 gradient.addColorStop(i / (l - 1), c);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3112 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3113
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3114 return gradient;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3115 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3116 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3117 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3118
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3119 // Add the plot function to the top level of the jQuery object
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3120
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3121 $.plot = function(placeholder, data, options) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3122 //var t0 = new Date();
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3123 var plot = new Plot($(placeholder), data, options, $.plot.plugins);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3124 //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime()));
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3125 return plot;
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3126 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3127
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3128 $.plot.version = "0.8.3-alpha";
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3129
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3130 $.plot.plugins = [];
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3131
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3132 // Also add the plot function as a chainable property
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3133
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3134 $.fn.plot = function(data, options) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3135 return this.each(function() {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3136 $.plot(this, data, options);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3137 });
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3138 };
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3139
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3140 // round to nearby lower multiple of base
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3141 function floorInBase(n, base) {
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3142 return base * Math.floor(n / base);
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3143 }
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3144
b12c99b7c3f0 commit for previous development Zoe Hong <zhong@mpiwg-berlin.mpg.de> parents: diff changeset	3145 })(jQuery);