Mercurial > hg > extraction-interface

annotate geotemco/lib/simile/timeplot/scripts/geometry.js @ 27:4a29bccb6c59

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modify the SmartRegexSave method to prevent duplicated records in topic_regex_relation table and provide better promting to user to force saving regex file or not
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Tue, 03 Mar 2015 11:47:41 +0100
parents b12c99b7c3f0
children
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1 /**
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2 * Geometries
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3 *
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4 * @fileOverview Geometries
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5 * @name Geometries
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6 */
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7
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8 /**
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9 * This is the constructor for the default value geometry.
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10 * A value geometry is what regulates mapping of the plot values to the screen y coordinate.
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11 * If two plots share the same value geometry, they will be drawn using the same scale.
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12 * If "min" and "max" parameters are not set, the geometry will stretch itself automatically
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13 * so that the entire plot will be drawn without overflowing. The stretching happens also
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14 * when a geometry is shared between multiple plots, the one with the biggest range will
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15 * win over the others.
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16 *
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17 * @constructor
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18 */
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19 Timeplot.DefaultValueGeometry = function(params) {
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20 if (!params) params = {};
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21 this._id = ("id" in params) ? params.id : "g" + Math.round(Math.random() * 1000000);
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22 this._axisColor = ("axisColor" in params) ? ((typeof params.axisColor == "string") ? new Timeplot.Color(params.axisColor) : params.axisColor) : new Timeplot.Color("#606060"),
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23 this._gridColor = ("gridColor" in params) ? ((typeof params.gridColor == "string") ? new Timeplot.Color(params.gridColor) : params.gridColor) : null,
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24 this._gridLineWidth = ("gridLineWidth" in params) ? params.gridLineWidth : 0.5;
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25 this._axisLabelsPlacement = ("axisLabelsPlacement" in params) ? params.axisLabelsPlacement : "right";
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26 this._gridSpacing = ("gridSpacing" in params) ? params.gridStep : 50;
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27 this._gridType = ("gridType" in params) ? params.gridType : "short";
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28 this._gridShortSize = ("gridShortSize" in params) ? params.gridShortSize : 10;
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29 this._minValue = ("min" in params) ? params.min : null;
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30 this._maxValue = ("max" in params) ? params.max : null;
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31 this._linMap = {
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32 direct: function(v) {
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33 return v;
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34 },
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35 inverse: function(y) {
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36 return y;
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37 }
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38 }
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39 this._map = this._linMap;
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40 this._labels = [];
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41 this._grid = [];
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42 }
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43
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44 Timeplot.DefaultValueGeometry.prototype = {
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45
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46 /**
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47 * Since geometries can be reused across timeplots, we need to call this function
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48 * before we can paint using this geometry.
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49 */
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50 setTimeplot: function(timeplot) {
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51 this._timeplot = timeplot;
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52 this._canvas = timeplot.getCanvas();
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53 this.reset();
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54 },
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55
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56 /**
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57 * Called by all the plot layers this geometry is associated with
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58 * to update the value range. Unless min/max values are specified
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59 * in the parameters, the biggest value range will be used.
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60 */
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61 setRange: function(range) {
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62 if ((this._minValue == null) || ((this._minValue != null) && (range.min < this._minValue))) {
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63 this._minValue = range.min;
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64 }
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65 if ((this._maxValue == null) || ((this._maxValue != null) && (range.max * 1.05 > this._maxValue))) {
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66 this._maxValue = range.max * 1.05; // get a little more head room to avoid hitting the ceiling
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67 }
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68
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69 this._updateMappedValues();
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70
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71 if (!(this._minValue == 0 && this._maxValue == 0)) {
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72 this._grid = this._calculateGrid();
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73 }
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74 },
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75
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76 /**
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77 * Called after changing ranges or canvas size to reset the grid values
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78 */
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79 reset: function() {
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80 this._clearLabels();
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81 this._updateMappedValues();
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82 this._grid = this._calculateGrid();
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83 },
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84
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85 /**
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86 * Map the given value to a y screen coordinate.
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87 */
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88 toScreen: function(value) {
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89 if (this._canvas && this._maxValue) {
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90 var v = value - this._minValue;
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91 return this._canvas.height * (this._map.direct(v)) / this._mappedRange;
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92 } else {
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93 return -50;
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94 }
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95 },
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96
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97 /**
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98 * Map the given y screen coordinate to a value
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99 */
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100 fromScreen: function(y) {
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101 if (this._canvas) {
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102 return this._map.inverse(this._mappedRange * y / this._canvas.height) + this._minValue;
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103 } else {
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104 return 0;
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105 }
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106 },
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107
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108 /**
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109 * Each geometry is also a painter and paints the value grid and grid labels.
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110 */
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111 paint: function() {
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112 if (this._timeplot) {
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113 var ctx = this._canvas.getContext('2d');
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114
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115 ctx.lineJoin = 'miter';
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116
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117 // paint grid
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118 if (this._gridColor) {
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119 var gridGradient = ctx.createLinearGradient(0,0,0,this._canvas.height);
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120 gridGradient.addColorStop(0, this._gridColor.toHexString());
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121 gridGradient.addColorStop(0.3, this._gridColor.toHexString());
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122 gridGradient.addColorStop(1, "rgba(255,255,255,0.5)");
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123
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124 ctx.lineWidth = this._gridLineWidth;
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125 ctx.strokeStyle = gridGradient;
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126
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127 for (var i = 0; i < this._grid.length; i++) {
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128 var tick = this._grid[i];
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129 var y = Math.floor(tick.y) + 0.5;
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130 if (typeof tick.label != "undefined") {
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131 if (this._axisLabelsPlacement == "left") {
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132 var div = this._timeplot.putText(this._id + "-" + i, tick.label,"timeplot-grid-label",{
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133 left: 4,
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134 bottom: y + 2,
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135 color: this._gridColor.toHexString(),
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136 visibility: "hidden"
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137 });
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138 this._labels.push(div);
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139 } else if (this._axisLabelsPlacement == "right") {
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140 var div = this._timeplot.putText(this._id + "-" + i, tick.label, "timeplot-grid-label",{
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141 right: 4,
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142 bottom: y + 2,
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143 color: this._gridColor.toHexString(),
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144 visibility: "hidden"
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145 });
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146 this._labels.push(div);
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147 }
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148 if (y + div.clientHeight < this._canvas.height + 10) {
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149 div.style.visibility = "visible"; // avoid the labels that would overflow
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150 }
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151 }
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152
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153 // draw grid
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154 ctx.beginPath();
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155 if (this._gridType == "long" || tick.label == 0) {
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156 ctx.moveTo(0, y);
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157 ctx.lineTo(this._canvas.width, y);
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158 } else if (this._gridType == "short") {
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159 if (this._axisLabelsPlacement == "left") {
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160 ctx.moveTo(0, y);
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161 ctx.lineTo(this._gridShortSize, y);
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162 } else if (this._axisLabelsPlacement == "right") {
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163 ctx.moveTo(this._canvas.width, y);
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164 ctx.lineTo(this._canvas.width - this._gridShortSize, y);
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165 }
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166 }
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167 ctx.stroke();
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168 }
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169 }
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170
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171 // paint axis
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172 var axisGradient = ctx.createLinearGradient(0,0,0,this._canvas.height);
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173 axisGradient.addColorStop(0, this._axisColor.toString());
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174 axisGradient.addColorStop(0.5, this._axisColor.toString());
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175 axisGradient.addColorStop(1, "rgba(255,255,255,0.5)");
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176
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177 ctx.lineWidth = 1;
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178 ctx.strokeStyle = axisGradient;
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179
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180 // left axis
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181 ctx.beginPath();
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182 ctx.moveTo(0,this._canvas.height);
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183 ctx.lineTo(0,0);
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184 ctx.stroke();
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185
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186 // right axis
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187 ctx.beginPath();
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188 ctx.moveTo(this._canvas.width,0);
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189 ctx.lineTo(this._canvas.width,this._canvas.height);
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190 ctx.stroke();
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191 }
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192 },
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193
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194 /**
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195 * Removes all the labels that were added by this geometry
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196 */
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197 _clearLabels: function() {
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198 for (var i = 0; i < this._labels.length; i++) {
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199 var l = this._labels[i];
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200 var parent = l.parentNode;
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201 if (parent) parent.removeChild(l);
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202 }
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203 },
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204
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205 /*
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206 * This function calculates the grid spacing that it will be used
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207 * by this geometry to draw the grid in order to reduce clutter.
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208 */
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209 _calculateGrid: function() {
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210 var grid = [];
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211
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212 if (!this._canvas || this._valueRange == 0) return grid;
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213
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214 var power = 0;
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215 if (this._valueRange > 1) {
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216 while (Math.pow(10,power) < this._valueRange) {
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217 power++;
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218 }
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219 power--;
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220 } else {
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221 while (Math.pow(10,power) > this._valueRange) {
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222 power--;
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223 }
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224 }
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225
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226 var unit = Math.pow(10,power);
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227 var inc = unit;
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228 while (true) {
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229 var dy = this.toScreen(this._minValue + inc);
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230
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231 while (dy < this._gridSpacing) {
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232 inc += unit;
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233 dy = this.toScreen(this._minValue + inc);
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234 }
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235
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236 if (dy > 2 * this._gridSpacing) { // grids are too spaced out
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237 unit /= 10;
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238 inc = unit;
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239 } else {
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240 break;
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241 }
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242 }
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243
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244 var v = 0;
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245 var y = this.toScreen(v);
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246 if (this._minValue >= 0) {
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247 while (y < this._canvas.height) {
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248 if (y > 0) {
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249 grid.push({ y: y, label: v });
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250 }
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251 v += inc;
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252 y = this.toScreen(v);
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253 }
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254 } else if (this._maxValue <= 0) {
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255 while (y > 0) {
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256 if (y < this._canvas.height) {
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257 grid.push({ y: y, label: v });
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258 }
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259 v -= inc;
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260 y = this.toScreen(v);
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261 }
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262 } else {
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263 while (y < this._canvas.height) {
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264 if (y > 0) {
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265 grid.push({ y: y, label: v });
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266 }
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267 v += inc;
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268 y = this.toScreen(v);
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269 }
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270 v = -inc;
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271 y = this.toScreen(v);
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272 while (y > 0) {
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273 if (y < this._canvas.height) {
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274 grid.push({ y: y, label: v });
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275 }
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276 v -= inc;
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277 y = this.toScreen(v);
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278 }
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279 }
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280
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281 return grid;
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282 },
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283
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284 /*
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285 * Update the values that are used by the paint function so that
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286 * we don't have to calculate them at every repaint.
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287 */
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288 _updateMappedValues: function() {
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289 this._valueRange = Math.abs(this._maxValue - this._minValue);
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290 this._mappedRange = this._map.direct(this._valueRange);
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291 }
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292
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293 }
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294
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295 // --------------------------------------------------
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296
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297 /**
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298 * This is the constructor for a Logarithmic value geometry, which
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299 * is useful when plots have values in different magnitudes but
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300 * exhibit similar trends and such trends want to be shown on the same
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301 * plot (here a cartesian geometry would make the small magnitudes
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302 * disappear).
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303 *
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304 * NOTE: this class extends Timeplot.DefaultValueGeometry and inherits
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305 * all of the methods of that class. So refer to that class.
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306 *
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307 * @constructor
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308 */
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309 Timeplot.LogarithmicValueGeometry = function(params) {
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310 Timeplot.DefaultValueGeometry.apply(this, arguments);
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311 this._logMap = {
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312 direct: function(v) {
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313 return Math.log(v + 1) / Math.log(10);
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314 },
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315 inverse: function(y) {
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316 return Math.exp(Math.log(10) * y) - 1;
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317 }
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318 }
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319 this._mode = "log";
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320 this._map = this._logMap;
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321 this._calculateGrid = this._logarithmicCalculateGrid;
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322 };
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323
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324 Timeplot.LogarithmicValueGeometry.prototype._linearCalculateGrid = Timeplot.DefaultValueGeometry.prototype._calculateGrid;
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325
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326 Object.extend(Timeplot.LogarithmicValueGeometry.prototype,Timeplot.DefaultValueGeometry.prototype);
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327
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328 /*
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329 * This function calculates the grid spacing that it will be used
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330 * by this geometry to draw the grid in order to reduce clutter.
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331 */
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332 Timeplot.LogarithmicValueGeometry.prototype._logarithmicCalculateGrid = function() {
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333 var grid = [];
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334
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335 if (!this._canvas || this._valueRange == 0) return grid;
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336
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337 var v = 1;
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338 var y = this.toScreen(v);
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339 while (y < this._canvas.height || isNaN(y)) {
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340 if (y > 0) {
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341 grid.push({ y: y, label: v });
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342 }
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343 v *= 10;
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344 y = this.toScreen(v);
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345 }
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346
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347 return grid;
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348 };
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349
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350 /**
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351 * Turn the logarithmic scaling off.
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352 */
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353 Timeplot.LogarithmicValueGeometry.prototype.actLinear = function() {
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354 this._mode = "lin";
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355 this._map = this._linMap;
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356 this._calculateGrid = this._linearCalculateGrid;
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357 this.reset();
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358 }
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359
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360 /**
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361 * Turn the logarithmic scaling on.
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362 */
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363 Timeplot.LogarithmicValueGeometry.prototype.actLogarithmic = function() {
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364 this._mode = "log";
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365 this._map = this._logMap;
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366 this._calculateGrid = this._logarithmicCalculateGrid;
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367 this.reset();
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368 }
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369
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370 /**
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371 * Toggle logarithmic scaling seeting it to on if off and viceversa.
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372 */
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373 Timeplot.LogarithmicValueGeometry.prototype.toggle = function() {
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374 if (this._mode == "log") {
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375 this.actLinear();
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376 } else {
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377 this.actLogarithmic();
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378 }
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379 }
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380
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381 // -----------------------------------------------------
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382
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383 /**
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384 * This is the constructor for the default time geometry.
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385 *
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386 * @constructor
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387 */
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388 Timeplot.DefaultTimeGeometry = function(params) {
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389 if (!params) params = {};
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390 this._id = ("id" in params) ? params.id : "g" + Math.round(Math.random() * 1000000);
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391 this._locale = ("locale" in params) ? params.locale : "en";
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392 this._timeZone = ("timeZone" in params) ? params.timeZone : SimileAjax.DateTime.getTimezone();
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393 this._labeler = ("labeller" in params) ? params.labeller : null;
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394 this._axisColor = ("axisColor" in params) ? ((params.axisColor == "string") ? new Timeplot.Color(params.axisColor) : params.axisColor) : new Timeplot.Color("#606060"),
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395 this._gridColor = ("gridColor" in params) ? ((params.gridColor == "string") ? new Timeplot.Color(params.gridColor) : params.gridColor) : null,
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396 this._gridLineWidth = ("gridLineWidth" in params) ? params.gridLineWidth : 0.5;
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397 this._axisLabelsPlacement = ("axisLabelsPlacement" in params) ? params.axisLabelsPlacement : "bottom";
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398 this._gridStep = ("gridStep" in params) ? params.gridStep : 100;
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399 this._gridStepRange = ("gridStepRange" in params) ? params.gridStepRange : 20;
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400 this._min = ("min" in params) ? params.min : null;
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401 this._max = ("max" in params) ? params.max : null;
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402 this._timeValuePosition =("timeValuePosition" in params) ? params.timeValuePosition : "bottom";
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403 this._unit = ("unit" in params) ? params.unit : SimileAjax.NativeDateUnit;
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404 this._linMap = {
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405 direct: function(t) {
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406 return t;
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407 },
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408 inverse: function(x) {
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409 return x;
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410 }
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411 }
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412 this._map = this._linMap;
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413 if (!this._labeler)
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414 this._labeler = (this._unit && ("createLabeller" in this._unit)) ? this._unit.createLabeller(this._locale, this._timeZone) : new Timeline.GregorianDateLabeller(this._locale, this._timeZone);
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415 var dateParser = this._unit.getParser("iso8601");
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416 if (this._min && !this._min.getTime) {
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417 this._min = dateParser(this._min);
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418 }
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419 if (this._max && !this._max.getTime) {
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420 this._max = dateParser(this._max);
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421 }
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422 this._labels = [];
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423 this._grid = [];
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424 }
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425
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426 Timeplot.DefaultTimeGeometry.prototype = {
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427
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428 /**
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429 * Since geometries can be reused across timeplots, we need to call this function
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430 * before we can paint using this geometry.
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431 */
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432 setTimeplot: function(timeplot) {
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433 this._timeplot = timeplot;
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434 this._canvas = timeplot.getCanvas();
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435 this.reset();
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436 },
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437
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438 /**
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439 * Called by all the plot layers this geometry is associated with
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440 * to update the time range. Unless min/max values are specified
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441 * in the parameters, the biggest range will be used.
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442 */
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443 setRange: function(range) {
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444 if (this._min) {
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445 this._earliestDate = this._min;
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446 } else if (range.earliestDate && ((this._earliestDate == null) || ((this._earliestDate != null) && (range.earliestDate.getTime() < this._earliestDate.getTime())))) {
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447 this._earliestDate = range.earliestDate;
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448 }
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449
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450 if (this._max) {
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451 this._latestDate = this._max;
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452 } else if (range.latestDate && ((this._latestDate == null) || ((this._latestDate != null) && (range.latestDate.getTime() > this._latestDate.getTime())))) {
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453 this._latestDate = range.latestDate;
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454 }
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455
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456 if (!this._earliestDate && !this._latestDate) {
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457 this._grid = [];
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458 } else {
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459 this.reset();
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460 }
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461 },
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462
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463 /**
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464 * Called after changing ranges or canvas size to reset the grid values
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465 */
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466 reset: function() {
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467 this._updateMappedValues();
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468 if (this._canvas) this._grid = this._calculateGrid();
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469 },
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470
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471 /**
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472 * Map the given date to a x screen coordinate.
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473 */
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474 toScreen: function(time) {
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475 if (this._canvas && this._latestDate) {
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476 var t = time - this._earliestDate.getTime();
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477 var fraction = (this._mappedPeriod > 0) ? this._map.direct(t) / this._mappedPeriod : 0;
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478 return this._canvas.width * fraction;
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479 } else {
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480 return -50;
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481 }
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482 },
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483
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484 /**
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485 * Map the given x screen coordinate to a date.
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486 */
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487 fromScreen: function(x) {
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488 if (this._canvas) {
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489 return this._map.inverse(this._mappedPeriod * x / this._canvas.width) + this._earliestDate.getTime();
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490 } else {
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491 return 0;
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492 }
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493 },
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494
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diff changeset
495 /**
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diff changeset
496 * Get a period (in milliseconds) this time geometry spans.
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497 */
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498 getPeriod: function() {
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499 return this._period;
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500 },
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501
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diff changeset
502 /**
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diff changeset
503 * Return the labeler that has been associated with this time geometry
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504 */
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505 getLabeler: function() {
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506 return this._labeler;
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diff changeset
507 },
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diff changeset
508
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diff changeset
509 /**
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diff changeset
510 * Return the time unit associated with this time geometry
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511 */
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512 getUnit: function() {
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513 return this._unit;
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diff changeset
514 },
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515
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diff changeset
516 /**
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517 * Each geometry is also a painter and paints the value grid and grid labels.
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518 */
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diff changeset
519 paint: function() {
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520 if (this._canvas) {
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521 var unit = this._unit;
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522 var ctx = this._canvas.getContext('2d');
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523
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diff changeset
524 var gradient = ctx.createLinearGradient(0,0,0,this._canvas.height);
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525
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526 ctx.strokeStyle = gradient;
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diff changeset
527 ctx.lineWidth = this._gridLineWidth;
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diff changeset
528 ctx.lineJoin = 'miter';
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diff changeset
529
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diff changeset
530 // paint grid
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531 if (this._gridColor) {
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diff changeset
532 gradient.addColorStop(0, this._gridColor.toString());
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diff changeset
533 gradient.addColorStop(1, "rgba(255,255,255,0.9)");
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diff changeset
534
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535 for (var i = 0; i < this._grid.length; i++) {
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diff changeset
536 var tick = this._grid[i];
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537 var x = Math.floor(tick.x) + 0.5;
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diff changeset
538 if (this._axisLabelsPlacement == "top") {
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parents:
diff changeset
539 var div = this._timeplot.putText(this._id + "-" + i, tick.label,"timeplot-grid-label",{
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parents:
diff changeset
540 left: x + 4,
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parents:
diff changeset
541 top: 2,
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parents:
diff changeset
542 visibility: "hidden"
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parents:
diff changeset
543 });
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544 this._labels.push(div);
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545 } else if (this._axisLabelsPlacement == "bottom") {
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diff changeset
546 var div = this._timeplot.putText(this._id + "-" + i, tick.label, "timeplot-grid-label",{
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diff changeset
547 left: x + 4,
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parents:
diff changeset
548 bottom: 2,
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parents:
diff changeset
549 visibility: "hidden"
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550 });
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551 this._labels.push(div);
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552 }
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553 if (x + div.clientWidth < this._canvas.width + 10) {
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554 div.style.visibility = "visible"; // avoid the labels that would overflow
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diff changeset
555 }
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556
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diff changeset
557 // draw separator
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diff changeset
558 ctx.beginPath();
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diff changeset
559 ctx.moveTo(x,0);
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560 ctx.lineTo(x,this._canvas.height);
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diff changeset
561 ctx.stroke();
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562 }
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563 }
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564
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diff changeset
565 // paint axis
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566 gradient.addColorStop(0, this._axisColor.toString());
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diff changeset
567 gradient.addColorStop(1, "rgba(255,255,255,0.5)");
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diff changeset
568
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569 ctx.lineWidth = 1;
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570 gradient.addColorStop(0, this._axisColor.toString());
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parents:
diff changeset
571
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572 ctx.beginPath();
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diff changeset
573 ctx.moveTo(0,0);
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parents:
diff changeset
574 ctx.lineTo(this._canvas.width,0);
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diff changeset
575 ctx.stroke();
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576 }
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577 },
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578
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parents:
diff changeset
579 /*
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580 * This function calculates the grid spacing that it will be used
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parents:
diff changeset
581 * by this geometry to draw the grid in order to reduce clutter.
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diff changeset
582 */
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parents:
diff changeset
583 _calculateGrid: function() {
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parents:
diff changeset
584 var grid = [];
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parents:
diff changeset
585
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diff changeset
586 var time = SimileAjax.DateTime;
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diff changeset
587 var u = this._unit;
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parents:
diff changeset
588 var p = this._period;
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diff changeset
589
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diff changeset
590 if (p == 0) return grid;
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diff changeset
591
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diff changeset
592 // find the time units nearest to the time period
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parents:
diff changeset
593 if (p > time.gregorianUnitLengths[time.MILLENNIUM]) {
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parents:
diff changeset
594 unit = time.MILLENNIUM;
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parents:
diff changeset
595 } else {
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parents:
diff changeset
596 for (var unit = time.MILLENNIUM; unit > 0; unit--) {
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parents:
diff changeset
597 if (time.gregorianUnitLengths[unit-1] <= p && p < time.gregorianUnitLengths[unit]) {
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parents:
diff changeset
598 unit--;
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diff changeset
599 break;
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parents:
diff changeset
600 }
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parents:
diff changeset
601 }
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parents:
diff changeset
602 }
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parents:
diff changeset
603
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parents:
diff changeset
604 var t = u.cloneValue(this._earliestDate);
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parents:
diff changeset
605
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606 do {
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diff changeset
607 time.roundDownToInterval(t, unit, this._timeZone, 1, 0);
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parents:
diff changeset
608 var x = this.toScreen(u.toNumber(t));
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parents:
diff changeset
609 switch (unit) {
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
610 case time.SECOND:
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parents:
diff changeset
611 var l = t.toLocaleTimeString();
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parents:
diff changeset
612 break;
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
613 case time.MINUTE:
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parents:
diff changeset
614 var m = t.getMinutes();
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parents:
diff changeset
615 var l = t.getHours() + ":" + ((m < 10) ? "0" : "") + m;
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
616 break;
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parents:
diff changeset
617 case time.HOUR:
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parents:
diff changeset
618 var l = t.getHours() + ":00";
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parents:
diff changeset
619 break;
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parents:
diff changeset
620 case time.DAY:
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parents:
diff changeset
621 case time.WEEK:
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parents:
diff changeset
622 case time.MONTH:
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parents:
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623 var l = t.toLocaleDateString();
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diff changeset
624 break;
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parents:
diff changeset
625 case time.YEAR:
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parents:
diff changeset
626 case time.DECADE:
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parents:
diff changeset
627 case time.CENTURY:
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parents:
diff changeset
628 case time.MILLENNIUM:
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629 var l = t.getUTCFullYear();
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parents:
diff changeset
630 break;
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parents:
diff changeset
631 }
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parents:
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632 if (x > 0) {
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parents:
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633 grid.push({ x: x, label: l });
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diff changeset
634 }
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parents:
diff changeset
635 time.incrementByInterval(t, unit, this._timeZone);
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parents:
diff changeset
636 } while (t.getTime() < this._latestDate.getTime());
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diff changeset
637
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parents:
diff changeset
638 return grid;
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parents:
diff changeset
639 },
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parents:
diff changeset
640
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parents:
diff changeset
641 /*
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diff changeset
642 * Clear labels generated by this time geometry.
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
643 */
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parents:
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644 _clearLabels: function() {
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parents:
diff changeset
645 for (var i = 0; i < this._labels.length; i++) {
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parents:
diff changeset
646 var l = this._labels[i];
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parents:
diff changeset
647 var parent = l.parentNode;
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parents:
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648 if (parent) parent.removeChild(l);
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parents:
diff changeset
649 }
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parents:
diff changeset
650 },
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parents:
diff changeset
651
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parents:
diff changeset
652 /*
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
653 * Update the values that are used by the paint function so that
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
654 * we don't have to calculate them at every repaint.
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parents:
diff changeset
655 */
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diff changeset
656 _updateMappedValues: function() {
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parents:
diff changeset
657 if (this._latestDate && this._earliestDate) {
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parents:
diff changeset
658 this._period = this._latestDate.getTime() - this._earliestDate.getTime();
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659 this._mappedPeriod = this._map.direct(this._period);
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660 } else {
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661 this._period = 0;
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662 this._mappedPeriod = 0;
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diff changeset
663 }
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parents:
diff changeset
664 }
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parents:
diff changeset
665
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diff changeset
666 }
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667
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668 // --------------------------------------------------------------
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669
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parents:
diff changeset
670 /**
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diff changeset
671 * This is the constructor for the magnifying time geometry.
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diff changeset
672 * Users can interact with this geometry and 'magnify' certain areas of the
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parents:
diff changeset
673 * plot to see the plot enlarged and resolve details that would otherwise
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parents:
diff changeset
674 * get lost or cluttered with a linear time geometry.
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diff changeset
675 *
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parents:
diff changeset
676 * @constructor
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677 */
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678 Timeplot.MagnifyingTimeGeometry = function(params) {
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679 Timeplot.DefaultTimeGeometry.apply(this, arguments);
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680
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681 var g = this;
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682 this._MagnifyingMap = {
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683 direct: function(t) {
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parents:
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684 if (t < g._leftTimeMargin) {
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685 var x = t * g._leftRate;
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diff changeset
686 } else if ( g._leftTimeMargin < t && t < g._rightTimeMargin ) {
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687 var x = t * g._expandedRate + g._expandedTimeTranslation;
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diff changeset
688 } else {
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689 var x = t * g._rightRate + g._rightTimeTranslation;
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parents:
diff changeset
690 }
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parents:
diff changeset
691 return x;
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parents:
diff changeset
692 },
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parents:
diff changeset
693 inverse: function(x) {
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parents:
diff changeset
694 if (x < g._leftScreenMargin) {
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parents:
diff changeset
695 var t = x / g._leftRate;
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parents:
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696 } else if ( g._leftScreenMargin < x && x < g._rightScreenMargin ) {
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parents:
diff changeset
697 var t = x / g._expandedRate + g._expandedScreenTranslation;
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diff changeset
698 } else {
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parents:
diff changeset
699 var t = x / g._rightRate + g._rightScreenTranslation;
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parents:
diff changeset
700 }
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parents:
diff changeset
701 return t;
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parents:
diff changeset
702 }
b12c99b7c3f0 commit for previous development
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parents:
diff changeset
703 }
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parents:
diff changeset
704
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parents:
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705 this._mode = "lin";
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706 this._map = this._linMap;
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707 };
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708
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709 Object.extend(Timeplot.MagnifyingTimeGeometry.prototype,Timeplot.DefaultTimeGeometry.prototype);
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parents:
diff changeset
710
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parents:
diff changeset
711 /**
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parents:
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712 * Initialize this geometry associating it with the given timeplot and
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parents:
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713 * register the geometry event handlers to the timeplot so that it can
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parents:
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714 * interact with the user.
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parents:
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715 */
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parents:
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716 Timeplot.MagnifyingTimeGeometry.prototype.initialize = function(timeplot) {
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diff changeset
717 Timeplot.DefaultTimeGeometry.prototype.initialize.apply(this, arguments);
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718
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719 if (!this._lens) {
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720 this._lens = this._timeplot.putDiv("lens","timeplot-lens");
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721 }
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722
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723 var period = 1000 * 60 * 60 * 24 * 30; // a month in the magnifying lens
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724
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parents:
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725 var geometry = this;
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726
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727 var magnifyWith = function(lens) {
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728 var aperture = lens.clientWidth;
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
729 var loc = geometry._timeplot.locate(lens);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
730 geometry.setMagnifyingParams(loc.x + aperture / 2, aperture, period);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
731 geometry.actMagnifying();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
732 geometry._timeplot.paint();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
733 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
734
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
735 var canvasMouseDown = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
736 geometry._canvas.startCoords = SimileAjax.DOM.getEventRelativeCoordinates(evt,elmt);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
737 geometry._canvas.pressed = true;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
738 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
739
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
740 var canvasMouseUp = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
741 geometry._canvas.pressed = false;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
742 var coords = SimileAjax.DOM.getEventRelativeCoordinates(evt,elmt);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
743 if (Timeplot.Math.isClose(coords,geometry._canvas.startCoords,5)) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
744 geometry._lens.style.display = "none";
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
745 geometry.actLinear();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
746 geometry._timeplot.paint();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
747 } else {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
748 geometry._lens.style.cursor = "move";
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
749 magnifyWith(geometry._lens);
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 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
752
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
753 var canvasMouseMove = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
754 if (geometry._canvas.pressed) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
755 var coords = SimileAjax.DOM.getEventRelativeCoordinates(evt,elmt);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
756 if (coords.x < 0) coords.x = 0;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
757 if (coords.x > geometry._canvas.width) coords.x = geometry._canvas.width;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
758 geometry._timeplot.placeDiv(geometry._lens, {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
759 left: geometry._canvas.startCoords.x,
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
760 width: coords.x - geometry._canvas.startCoords.x,
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
761 bottom: 0,
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
762 height: geometry._canvas.height,
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
763 display: "block"
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 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
766 }
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 var lensMouseDown = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
769 geometry._lens.startCoords = SimileAjax.DOM.getEventRelativeCoordinates(evt,elmt);;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
770 geometry._lens.pressed = true;
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 var lensMouseUp = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
774 geometry._lens.pressed = false;
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
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
777 var lensMouseMove = function(elmt, evt, target) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
778 if (geometry._lens.pressed) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
779 var coords = SimileAjax.DOM.getEventRelativeCoordinates(evt,elmt);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
780 var lens = geometry._lens;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
781 var left = lens.offsetLeft + coords.x - lens.startCoords.x;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
782 if (left < geometry._timeplot._paddingX) left = geometry._timeplot._paddingX;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
783 if (left + lens.clientWidth > geometry._canvas.width - geometry._timeplot._paddingX) left = geometry._canvas.width - lens.clientWidth + geometry._timeplot._paddingX;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
784 lens.style.left = left;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
785 magnifyWith(lens);
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 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
788
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
789 if (!this._canvas.instrumented) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
790 SimileAjax.DOM.registerEvent(this._canvas, "mousedown", canvasMouseDown);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
791 SimileAjax.DOM.registerEvent(this._canvas, "mousemove", canvasMouseMove);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
792 SimileAjax.DOM.registerEvent(this._canvas, "mouseup" , canvasMouseUp);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
793 SimileAjax.DOM.registerEvent(this._canvas, "mouseup" , lensMouseUp);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
794 this._canvas.instrumented = true;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
795 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
796
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
797 if (!this._lens.instrumented) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
798 SimileAjax.DOM.registerEvent(this._lens, "mousedown", lensMouseDown);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
799 SimileAjax.DOM.registerEvent(this._lens, "mousemove", lensMouseMove);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
800 SimileAjax.DOM.registerEvent(this._lens, "mouseup" , lensMouseUp);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
801 SimileAjax.DOM.registerEvent(this._lens, "mouseup" , canvasMouseUp);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
802 this._lens.instrumented = true;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
803 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
804 }
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 * Set the Magnifying parameters. c is the location in pixels where the Magnifying
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
808 * center should be located in the timeplot, a is the aperture in pixel of
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
809 * the Magnifying and b is the time period in milliseconds that the Magnifying
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
810 * should span.
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
811 */
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
812 Timeplot.MagnifyingTimeGeometry.prototype.setMagnifyingParams = function(c,a,b) {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
813 a = a / 2;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
814 b = b / 2;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
815
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
816 var w = this._canvas.width;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
817 var d = this._period;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
818
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
819 if (c < 0) c = 0;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
820 if (c > w) c = w;
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 (c - a < 0) a = c;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
823 if (c + a > w) a = w - c;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
824
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
825 var ct = this.fromScreen(c) - this._earliestDate.getTime();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
826 if (ct - b < 0) b = ct;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
827 if (ct + b > d) b = d - ct;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
828
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
829 this._centerX = c;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
830 this._centerTime = ct;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
831 this._aperture = a;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
832 this._aperturePeriod = b;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
833
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
834 this._leftScreenMargin = this._centerX - this._aperture;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
835 this._rightScreenMargin = this._centerX + this._aperture;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
836 this._leftTimeMargin = this._centerTime - this._aperturePeriod;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
837 this._rightTimeMargin = this._centerTime + this._aperturePeriod;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
838
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
839 this._leftRate = (c - a) / (ct - b);
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
840 this._expandedRate = a / b;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
841 this._rightRate = (w - c - a) / (d - ct - b);
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 this._expandedTimeTranslation = this._centerX - this._centerTime * this._expandedRate;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
844 this._expandedScreenTranslation = this._centerTime - this._centerX / this._expandedRate;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
845 this._rightTimeTranslation = (c + a) - (ct + b) * this._rightRate;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
846 this._rightScreenTranslation = (ct + b) - (c + a) / this._rightRate;
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 this._updateMappedValues();
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 /*
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
852 * Turn magnification off.
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
853 */
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
854 Timeplot.MagnifyingTimeGeometry.prototype.actLinear = function() {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
855 this._mode = "lin";
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
856 this._map = this._linMap;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
857 this.reset();
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
858 }
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
859
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
860 /*
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
861 * Turn magnification on.
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
862 */
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
863 Timeplot.MagnifyingTimeGeometry.prototype.actMagnifying = function() {
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
864 this._mode = "Magnifying";
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
865 this._map = this._MagnifyingMap;
b12c99b7c3f0 commit for previous development
Zoe Hong <zhong@mpiwg-berlin.mpg.de>
parents:
diff changeset
866 this.reset();
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
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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869 /*
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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870 * Toggle magnification.
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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871 */
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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872 Timeplot.MagnifyingTimeGeometry.prototype.toggle = function() {
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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873 if (this._mode == "Magnifying") {
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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874 this.actLinear();
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875 } else {
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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876 this.actMagnifying();
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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877 }
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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878 }
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Zoe Hong <zhong@mpiwg-berlin.mpg.de>
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879