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annotate geotemco/js/Util/DataObject.js @ 0:b12c99b7c3f0

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author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Mon, 19 Jan 2015 17:13:49 +0100
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1 /*
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2 * DataObject.js
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3 *
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4 * Copyright (c) 2012, Stefan Jänicke. All rights reserved.
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5 *
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6 * This library is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
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8 * License as published by the Free Software Foundation; either
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9 * version 3 of the License, or (at your option) any later version.
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10 *
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11 * This library is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with this library; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 * MA 02110-1301 USA
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20 */
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21
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22 /**
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23 * @class DataObject
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24 * GeoTemCo's data object class
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25 * @author Stefan Jänicke (stjaenicke@informatik.uni-leipzig.de)
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26 * @release 1.0
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27 * @release date: 2012-07-27
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28 * @version date: 2012-07-27
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29 *
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30 * @param {String} name name of the data object
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31 * @param {String} description description of the data object
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32 * @param {JSON} locations a list of locations with longitude, latitide and place name
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33 * @param {JSON} dates a list of dates
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34 * @param {float} lon longitude value of the given place
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35 * @param {float} lat latitude value of the given place
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36 * @param {Date} timeStart start time of the data object
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37 * @param {Date} timeEnd end time of the data object
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38 * @param {int} granularity granularity of the given time
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39 * @param {int} weight weight of the time object
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40 * @param {Openlayers.Projection} projection of the coordinates (optional)
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41 */
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42
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43 DataObject = function(name, description, locations, dates, weight, tableContent, projection) {
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44
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45 this.name = $.trim(name);
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46 this.description = $.trim(description);
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47 this.weight = weight;
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48 this.tableContent = new Object();
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49 var objectTableContent = this.tableContent;
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50 for(key in tableContent){
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51 value = tableContent[key];
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52 objectTableContent[$.trim(key)]=$.trim(value);
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53 }
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54
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55 this.percentage = 0;
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56 this.setPercentage = function(percentage) {
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57 this.percentage = percentage;
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58 }
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59
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60 this.locations = [];
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61 var objectLocations = this.locations;
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62 $(locations).each(function(){
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63 objectLocations.push({
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64 latitude:this.latitude,
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65 longitude:this.longitude,
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66 place:$.trim(this.place)
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67 });
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68 });
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69
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70 //Check if locations are valid
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71 if (!(projection instanceof OpenLayers.Projection)){
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72 //per default GeoTemCo uses WGS84 (-90<=lat<=90, -180<=lon<=180)
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73 projection = new OpenLayers.Projection("EPSG:4326");
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74 }
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75 this.projection = projection;
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76
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77 var tempLocations = [];
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78 if (typeof this.locations !== "undefined"){
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79 $(this.locations).each(function(){
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80 //EPSG:4326 === WGS84
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81 this.latitude = parseFloat(this.latitude);
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82 this.longitude = parseFloat(this.longitude);
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83 if (projection.getCode() === "EPSG:4326"){
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84 if ( (typeof this.latitude === "number") &&
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85 (this.latitude>=-90) &&
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86 (this.latitude<=90) &&
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87 (typeof this.longitude === "number") &&
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88 (this.longitude>=-180) &&
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89 (this.longitude<=180) )
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90 tempLocations.push(this);
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91 else{
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92 if ((GeoTemConfig.debug)&&(typeof console !== undefined)){
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93 console.error("Object " + name + " has no valid coordinate. ("+this.latitude+","+this.longitude+")");
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94 }
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95 }
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96
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97 //solve lat=-90 bug
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98 if( this.longitude == 180 ){
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99 this.longitude = 179.999;
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100 }
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101 if( this.longitude == -180 ){
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102 this.longitude = -179.999;
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103 }
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104 if( this.latitude == 90 ){
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105 this.latitude = 89.999;
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106 }
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107 if( this.latitude == -90 ){
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108 this.latitude = -89.999;
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109 }
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110 }
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111 });
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112 this.locations = tempLocations;
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113 }
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114
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115 this.isGeospatial = false;
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116 if ((typeof this.locations !== "undefined") && (this.locations.length > 0)) {
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117 this.isGeospatial = true;
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118 }
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119
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120 this.placeDetails = [];
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121 for (var i = 0; i < this.locations.length; i++) {
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122 this.placeDetails.push(this.locations[i].place.split("/"));
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123 }
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124
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125 this.getLatitude = function(locationId) {
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126 return this.locations[locationId].latitude;
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127 }
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128
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129 this.getLongitude = function(locationId) {
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130 return this.locations[locationId].longitude;
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131 }
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132
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133 this.getPlace = function(locationId, level) {
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134 if (level >= this.placeDetails[locationId].length) {
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135 return this.placeDetails[locationId][this.placeDetails[locationId].length - 1];
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136 }
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137 return this.placeDetails[locationId][level];
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138 }
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139
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140 this.dates = dates;
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141 this.isTemporal = false;
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142 if ((typeof this.dates !== "undefined") && (this.dates.length > 0)) {
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143 this.isTemporal = true;
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144 //test if we already have date "objects" or if we should parse the dates
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145 for (var i = 0; i < this.dates.length; i++){
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146 if (typeof this.dates[i] === "string"){
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147 var date = GeoTemConfig.getTimeData(this.dates[i]);
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148 //check whether we got valid dates
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149 if ((typeof date !== "undefined")&&(date != null)){
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150 this.dates[i] = date;
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151 } else {
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152 //at least one date is invalid, so this dataObject has
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153 //no valid date information and is therefor not "temporal"
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154 this.isTemporal = false;
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155 break;
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156 }
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157 }
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158 }
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159 }
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160
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161 //TODO: allow more than one timespan (as with dates/places)
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162 this.isFuzzyTemporal = false;
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163 if (this.isTemporal) {
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164 this.isTemporal = false;
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165 this.isFuzzyTemporal = true;
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166
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167 var date = this.dates[0].date;
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168 var granularity = this.dates[0].granularity;
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169
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170 this.TimeSpanGranularity = granularity;
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171
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172 if (granularity === SimileAjax.DateTime.YEAR){
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173 this.TimeSpanBegin = moment(date).startOf("year");
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174 this.TimeSpanEnd = moment(date).endOf("year");
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175 } else if (granularity === SimileAjax.DateTime.MONTH){
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176 this.TimeSpanBegin = moment(date).startOf("month");
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177 this.TimeSpanEnd = moment(date).endOf("month");
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178 } else if (granularity === SimileAjax.DateTime.DAY){
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179 this.TimeSpanBegin = moment(date).startOf("day");
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180 this.TimeSpanEnd = moment(date).endOf("day");
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181 } else if (granularity === SimileAjax.DateTime.HOUR){
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182 this.TimeSpanBegin = moment(date).startOf("hour");
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183 this.TimeSpanEnd = moment(date).endOf("hour");
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184 } else if (granularity === SimileAjax.DateTime.MINUTE){
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185 this.TimeSpanBegin = moment(date).startOf("minute");
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186 this.TimeSpanEnd = moment(date).endOf("minute");
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187 } else if (granularity === SimileAjax.DateTime.SECOND){
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188 this.TimeSpanBegin = moment(date).startOf("second");
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189 this.TimeSpanEnd = moment(date).endOf("second");
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190 } else if (granularity === SimileAjax.DateTime.MILLISECOND){
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191 //this is a "real" exact time
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192 this.isTemporal = true;
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193 this.isFuzzyTemporal = false;
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194 }
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195 } else if ( (typeof this.tableContent["TimeSpan:begin"] !== "undefined") &&
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196 (typeof this.tableContent["TimeSpan:end"] !== "undefined") ){
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197 //parse according to ISO 8601
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198 //don't use the default "cross browser support" from moment.js
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199 //cause it won't work correctly with negative years
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200 var formats = [ "YYYYYY",
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201 "YYYYYY-MM",
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202 "YYYYYY-MM-DD",
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203 "YYYYYY-MM-DDTHH",
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204 "YYYYYY-MM-DDTHH:mm",
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205 "YYYYYY-MM-DDTHH:mm:ss",
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206 "YYYYYY-MM-DDTHH:mm:ss.SSS"
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207 ];
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208 this.TimeSpanBegin = moment(this.tableContent["TimeSpan:begin"],formats.slice());
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209 this.TimeSpanEnd = moment(this.tableContent["TimeSpan:end"],formats.slice());
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210 if ((this.TimeSpanBegin instanceof Object) && this.TimeSpanBegin.isValid() &&
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211 (this.TimeSpanEnd instanceof Object) && this.TimeSpanEnd.isValid()){
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212 //check whether dates are correctly sorted
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213 if (this.TimeSpanBegin>this.TimeSpanEnd){
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214 //dates are in the wrong order
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215 if ((GeoTemConfig.debug)&&(typeof console !== undefined))
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216 console.error("Object " + this.name + " has wrong fuzzy dating (twisted start/end?).");
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217
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218 } else {
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219 var timeSpanBeginGranularity = formats.indexOf(this.TimeSpanBegin._f);
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220 var timeSpanEndGranularity = formats.indexOf(this.TimeSpanEnd._f);
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221 var timeSpanGranularity = Math.max( timeSpanBeginGranularity,
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222 timeSpanEndGranularity );
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223
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224 //set granularity according to formats above
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225 if (timeSpanGranularity === 0){
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226 this.TimeSpanGranularity = SimileAjax.DateTime.YEAR;
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227 } else if (timeSpanGranularity === 1){
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228 this.TimeSpanGranularity = SimileAjax.DateTime.MONTH;
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229 } else if (timeSpanGranularity === 2){
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230 this.TimeSpanGranularity = SimileAjax.DateTime.DAY;
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231 } else if (timeSpanGranularity === 3){
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232 this.TimeSpanGranularity = SimileAjax.DateTime.HOUR;
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233 } else if (timeSpanGranularity === 4){
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234 this.TimeSpanGranularity = SimileAjax.DateTime.MINUTE;
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235 } else if (timeSpanGranularity === 5){
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236 this.TimeSpanGranularity = SimileAjax.DateTime.SECOND;
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237 } else if (timeSpanGranularity === 6){
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238 this.TimeSpanGranularity = SimileAjax.DateTime.MILLISECOND;
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239 }
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240
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241 if (timeSpanBeginGranularity === 0){
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242 this.TimeSpanBeginGranularity = SimileAjax.DateTime.YEAR;
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243 } else if (timeSpanBeginGranularity === 1){
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244 this.TimeSpanBeginGranularity = SimileAjax.DateTime.MONTH;
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245 } else if (timeSpanBeginGranularity === 2){
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246 this.TimeSpanBeginGranularity = SimileAjax.DateTime.DAY;
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247 } else if (timeSpanBeginGranularity === 3){
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248 this.TimeSpanBeginGranularity = SimileAjax.DateTime.HOUR;
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249 } else if (timeSpanBeginGranularity === 4){
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250 this.TimeSpanBeginGranularity = SimileAjax.DateTime.MINUTE;
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251 } else if (timeSpanBeginGranularity === 5){
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252 this.TimeSpanBeginGranularity = SimileAjax.DateTime.SECOND;
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253 } else if (timeSpanBeginGranularity === 6){
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254 this.TimeSpanBeginGranularity = SimileAjax.DateTime.MILLISECOND;
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255 }
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256
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257 if (timeSpanEndGranularity === 0){
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258 this.TimeSpanEndGranularity = SimileAjax.DateTime.YEAR;
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259 } else if (timeSpanEndGranularity === 1){
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260 this.TimeSpanEndGranularity = SimileAjax.DateTime.MONTH;
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261 } else if (timeSpanEndGranularity === 2){
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262 this.TimeSpanEndGranularity = SimileAjax.DateTime.DAY;
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263 } else if (timeSpanEndGranularity === 3){
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264 this.TimeSpanEndGranularity = SimileAjax.DateTime.HOUR;
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265 } else if (timeSpanEndGranularity === 4){
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266 this.TimeSpanEndGranularity = SimileAjax.DateTime.MINUTE;
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267 } else if (timeSpanEndGranularity === 5){
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268 this.TimeSpanEndGranularity = SimileAjax.DateTime.SECOND;
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269 } else if (timeSpanEndGranularity === 6){
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270 this.TimeSpanEndGranularity = SimileAjax.DateTime.MILLISECOND;
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271 }
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272
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273 if (this.TimeSpanEnd.year()-this.TimeSpanBegin.year() >= 1000)
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274 this.TimeSpanGranularity = SimileAjax.DateTime.MILLENNIUM;
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275 else if (this.TimeSpanEnd.year()-this.TimeSpanBegin.year() >= 100)
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276 this.TimeSpanGranularity = SimileAjax.DateTime.CENTURY;
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277 else if (this.TimeSpanEnd.year()-this.TimeSpanBegin.year() >= 10)
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278 this.TimeSpanGranularity = SimileAjax.DateTime.DECADE;
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279
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280 //also set upper bounds according to granularity
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281 //(lower bound is already correct)
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282 if (timeSpanEndGranularity === 0){
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283 this.TimeSpanEnd.endOf("year");
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284 } else if (timeSpanEndGranularity === 1){
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285 this.TimeSpanEnd.endOf("month");
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286 } else if (timeSpanEndGranularity === 2){
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287 this.TimeSpanEnd.endOf("day");
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288 } else if (timeSpanEndGranularity === 3){
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289 this.TimeSpanEnd.endOf("hour");
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290 } else if (timeSpanEndGranularity === 4){
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291 this.TimeSpanEnd.endOf("minute");
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292 } else if (timeSpanEndGranularity === 5){
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293 this.TimeSpanEnd.endOf("second");
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294 } else if (timeSpanEndGranularity === 6){
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295 //has max accuracy, so no change needed
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296 }
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297
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298 this.isFuzzyTemporal = true;
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299 }
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300 }
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301 }
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302
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303
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304 this.getDate = function(dateId) {
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305 return this.dates[dateId].date;
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306 }
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307
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308 this.getTimeGranularity = function(dateId) {
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309 return this.dates[dateId].granularity;
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310 }
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311
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312 this.setIndex = function(index) {
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313 this.index = index;
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314 }
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315
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316 this.getTimeString = function() {
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317 if (this.timeStart != this.timeEnd) {
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318 return (SimileAjax.DateTime.getTimeString(this.granularity, this.timeStart) + " - " + SimileAjax.DateTime.getTimeString(this.granularity, this.timeEnd));
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319 } else {
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320 return SimileAjax.DateTime.getTimeString(this.granularity, this.timeStart) + "";
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321 }
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322 };
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323
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324 this.contains = function(text) {
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325 var allCombined = this.name + " " + this.description + " " + this.weight + " ";
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326
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327 $.each(this.dates, function(key, value){
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328 $.each(value, function(){
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329 allCombined += this + " ";
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330 });
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331 });
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332
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333 $.each(this.locations, function(key, value){
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334 $.each(value, function(){
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335 allCombined += this + " ";
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336 });
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337 });
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338
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339 $.each(this.tableContent, function(key, value){
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340 allCombined += value + " ";
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341 });
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342
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343 return (allCombined.indexOf(text) != -1);
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344 };
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345
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346 this.hasColorInformation = false;
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347
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348 this.setColor = function(r0,g0,b0,r1,g1,b1) {
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349 this.hasColorInformation = true;
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350
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351 this.color = new Object();
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352 this.color.r0 = r0;
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353 this.color.g0 = g0;
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354 this.color.b0 = b0;
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355 this.color.r1 = r1;
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356 this.color.g1 = g1;
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357 this.color.b1 = b1;
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358 };
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359
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360 this.getColor = function() {
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361 if (!this.hasColorInformation)
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362 return;
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363
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364 color = new Object();
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365 color.r0 = this.r0;
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366 color.g0 = this.g0;
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367 color.b0 = this.b0;
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368 color.r1 = this.r1;
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369 color.g1 = this.g1;
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370 color.b1 = this.b1;
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371
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372 return color;
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373 };
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374
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375 Publisher.Publish('dataobjectAfterCreation', this);
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376 };
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377