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1
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//see also https://github.com/geetarista/jquery-plugin-template/blob/master/jquery.plugin-template.js
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2
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3
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/**
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4
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* Expected dom structure:
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5
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* '<div class="ahah-content" rel="'.$cdm_proxy_url.'"><span class="loading">Loading ....</span></div>';
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6
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*/
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7
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(function($, document, window, undefined) {
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8
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9
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$.fn.cdm_openlayers_map = function(mapserverBaseUrl, mapserverVersion, options) {
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10
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11
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var opts = $.extend({},$.fn.cdm_openlayers_map.defaults, options);
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12
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13
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// sanitize invalid opts.boundingBox
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14
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if(opts.boundingBox && !( typeof opts.boundingBox == 'string' && opts.boundingBox .length > 6)) {
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15
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opts.boundingBox = null;
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16
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}
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17
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18
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return this.each(function(){
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19
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this.cdmOpenlayersMap = new CdmOpenLayers.Map($(this), mapserverBaseUrl, mapserverVersion, opts);
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20
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this.cdmOpenlayersMap.create();
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21
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}); // END each
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22
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23
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}; // END cdm_openlayers_map
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24
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25
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})(jQuery, document, window, undefined);
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26
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27
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(function($){
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28
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$.fn.cdm_openlayers_map.defaults = { // set up default options
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29
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legendPosition: null, // 1,2,3,4,5,6 = display a legend in the corner specified by the number
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30
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distributionOpacity: 0.75,
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31
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legendOpacity: 0.75,
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32
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// These are bounds in the epsg_4326 projection in degree
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33
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boundingBox: null,
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34
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aspectRatio: 2, // w/h
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35
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showLayerSwitcher: false,
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36
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baseLayerNames: ["mapproxy_vmap0"],
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37
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defaultBaseLayerName: 'mapproxy_vmap0',
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38
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maxZoom: 4,
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39
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minZoom: 0,
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40
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debug: true,
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41
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/**
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42
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* allows the map to display parts of the layers which are outside
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43
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* the maxExtent if the aspect ratio of the map and of the baselayer
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44
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* are not equal
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45
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*/
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46
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displayOutsideMaxExtent: false,
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47
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// customWMSBaseLayerData: {
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48
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// name: "Euro+Med",
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49
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// url: "http://edit.africamuseum.be/geoserver/topp/wms",
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50
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// params: {layers: "topp:em_tiny_jan2003", format:"image/png", tiled: true},
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51
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// projection: "EPSG:7777777",
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52
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// maxExtent: "-1600072.75, -1800000, 5600000, 5850093",
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53
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// units: 'm'
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54
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// }
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55
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customWMSBaseLayerData: {
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name: null,
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57
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url: null,
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params: null,
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projection: null,
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proj4js_def: null,
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max_extent: null,
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units: null
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},
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wmsOverlayLayerData: {
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name: null,
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url: null,
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params: null
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68
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},
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69
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/**
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* when true the map is made resizable by adding the jQueryUI widget resizable
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71
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* to the map container. This feature requires that the jQueryUI is loaded
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72
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*/
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resizable: false
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};
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75
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})(jQuery);
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76
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77
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/**************************************************************************
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78
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* CdmOpenLayers
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79
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**************************************************************************/
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(function() {
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81
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82
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/**
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83
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* The CdmOpenLayers namespace definition
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84
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*/
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85
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window.CdmOpenLayers = (function () {
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86
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87
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// EPSG:3857 from http://spatialreference.org/ref/sr-org/6864/proj4/
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88
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// OpenStreetMap etc
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89
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Proj4js.defs["EPSG:3857"] = '+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs';
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90
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91
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var projections = {
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92
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epsg_4326: new OpenLayers.Projection("EPSG:4326"),
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93
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epsg_900913: new OpenLayers.Projection("EPSG:900913"),
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94
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epsg_3857: new OpenLayers.Projection("EPSG:3857")
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95
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};
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96
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var mapExtends = {
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97
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epsg_4326: new OpenLayers.Bounds(-180, -90, 180, 90),
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98
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epsg_900913: new OpenLayers.Bounds(-180, -90, 180, 90),
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epsg_3857: new OpenLayers.Bounds(-180, -90, 180, 90)
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100
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};
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101
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// transform epsg_900913 to units meter
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102
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mapExtends.epsg_900913.transform(projections.epsg_4326, projections.epsg_900913);
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103
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mapExtends.epsg_3857.transform(projections.epsg_4326, projections.epsg_3857);
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104
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105
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// make public by returning an object
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106
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return {
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projections: projections,
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mapExtends: mapExtends,
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109
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getMap: function (){},
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110
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getLayerByName: function(layerName){} // initially empty function, will be populated by openlayers_layers.js
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111
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};
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112
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113
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})(); // end of namespace definition for CdmOpenLayers
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114
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115
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/**
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116
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* The CdmOpenLayers.Map constructor
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117
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* @param mapElement
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118
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* @param mapserverBaseUrl
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119
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* @param mapserverVersion
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120
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* @param opts
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121
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* @returns
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122
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*/
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123
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window.CdmOpenLayers.Map = function(mapElement, mapserverBaseUrl, mapserverVersion, opts){
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124
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125
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var mapServicePath = '/edit_wp5';
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126
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127
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// firebug console stub (avoids errors if firebug is not active)
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128
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if(typeof console === "undefined") {
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129
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console = { log: function() { } };
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130
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}
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131
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132
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// sanitize given options
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133
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try {
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134
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opts.customWMSBaseLayerData.max_extent = OpenLayers.Bounds.fromString(opts.customWMSBaseLayerData.max_extent);
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135
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} catch(e){
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136
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opts.customWMSBaseLayerData.max_extent = null;
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137
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}
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138
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139
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140
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var legendImgSrc = null;
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141
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142
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var map = null;
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143
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144
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var infoElement = null;
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145
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146
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var baseLayers = [];
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147
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148
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var defaultBaseLayer = null;
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149
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150
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/**
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151
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* The top most layer which will be places above all data layers
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152
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*
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153
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* @type {null}
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154
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*/
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155
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var wmsOverlay = null;
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156
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157
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/**
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158
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* Default bounding box for map viewport in the projection of the base layer.
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159
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* as defined by the user, can be null.
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160
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*
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161
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* These are bounds in the epsg_4326 projection, and will be transformed to the baselayer projection.
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162
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*
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163
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* @type string
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164
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*/
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165
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var defaultBaseLayerBoundingBox = "-180,-90,180,90";
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166
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167
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/**
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168
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* bounding box for map viewport as defined by the user, can be null.
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169
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*
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170
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* These are bounds in the projection of the base layer.
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171
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*
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172
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* @type string
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173
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*/
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174
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var boundingBox = null;
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175
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176
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/**
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177
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* Bounds for the view port calculated from the data layer responses.
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178
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* These are either calculated by the minimum bounding box which
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179
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* encloses the data in the data layers, or it is equal to the
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180
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* boundingBox as defined by the user.
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181
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*
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182
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* These are bounds in the projection of the base layer.
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183
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*
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184
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* @see boundingBox
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185
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*
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186
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* @type OpenLayers.Bounds
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187
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*/
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188
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var dataBounds = null;
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189
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190
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/**
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191
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* Final value for the view port, calculated from the other bounds.
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192
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*
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193
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* These are bounds in the projection of the base layer.
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194
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*
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195
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* @type OpenLayers.Bounds
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196
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*/
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197
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var zoomToBounds = null;
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198
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199
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var zoomToClosestLevel = true;
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200
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201
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var LAYER_DATA_CNT = 0;
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202
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203
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/* this is usually the <div id="openlayers"> element */
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204
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var mapContainerElement = mapElement.parent();
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205
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206
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var defaultControls = [
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207
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new OpenLayers.Control.PanZoom(),
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208
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new OpenLayers.Control.Navigation(
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209
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{
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210
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zoomWheelEnabled: false,
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211
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handleRightClicks:true,
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212
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zoomBoxKeyMask: OpenLayers.Handler.MOD_CTRL
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213
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}
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214
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)
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215
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];
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216
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217
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218
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var layerByNameMap = {
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219
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tdwg1: 'topp:tdwg_level_1',
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220
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tdwg2: 'topp:tdwg_level_2',
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221
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tdwg3: 'topp:tdwg_level_3',
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222
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tdwg4: 'topp:tdwg_level_4'
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223
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};
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224
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|
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225
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if(opts.resizable == true) {
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226
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// resizable requires jQueryUI to be loaded!!!
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227
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mapContainerElement.resizable({
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228
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resize: function( event, ui ) {
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229
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map.updateSize();
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230
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// this.printInfo();
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231
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}
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232
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});
|
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233
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}
|
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234
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|
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235
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/**
|
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236
|
*
|
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237
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*/
|
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238
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this.create = function(){ // public function
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239
|
|
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240
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// set the height of the container element
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241
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adjustHeight();
|
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242
|
|
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243
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// register for resize events to be able to adjust the map aspect ratio and legend position
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244
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jQuery( window ).resize(function() {
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245
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adjustHeight();
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246
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adjustLegendAsElementPosition();
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247
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});
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248
|
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249
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createBaseLayers(opts.baseLayerNames, opts.defaultBaseLayerName, opts.customWMSBaseLayerData);
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250
|
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251
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initMap();
|
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252
|
|
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253
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// now it is
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254
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if(opts.boundingBox){
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255
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boundingBox = OpenLayers.Bounds.fromString(opts.boundingBox);
|
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256
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boundingBox.transform(CdmOpenLayers.projections.epsg_4326, map.getProjectionObject());
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257
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}
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258
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|
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259
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// -- Distribution Layer --
|
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260
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var mapServiceRequest;
|
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261
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var distributionQuery = mapElement.attr('distributionQuery');
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262
|
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263
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if(distributionQuery !== undefined){
|
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264
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distributionQuery = mergeQueryStrings(distributionQuery, '&recalculate=false');
|
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265
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if(typeof legendPosition === 'number'){
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266
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distributionQuery = mergeQueryStrings(distributionQuery, 'legend=1&mlp=' + opts.legendPosition);
|
|
267
|
}
|
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268
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if(opts.boundingBox){
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|
269
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distributionQuery = mergeQueryStrings(distributionQuery, 'bbox=' + boundingBox);
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270
|
}
|
|
271
|
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272
|
distributionQuery = mergeQueryStrings(distributionQuery, 'callback=?');
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273
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var legendFormatQuery = mapElement.attr('legendFormatQuery');
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274
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if(legendFormatQuery !== undefined){
|
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275
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legendImgSrc = mergeQueryStrings('/GetLegendGraphic?SERVICE=WMS&VERSION=1.1.1', legendFormatQuery);
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276
|
}
|
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277
|
|
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278
|
mapServiceRequest = mapserverBaseUrl + mapServicePath + '/' + mapserverVersion + '/rest_gen.php?' + distributionQuery;
|
|
279
|
|
|
280
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LAYER_DATA_CNT++;
|
|
281
|
jQuery.ajax({
|
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282
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url: mapServiceRequest,
|
|
283
|
dataType: "jsonp",
|
|
284
|
success: function(data){
|
|
285
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var layers = createDataLayer(data, "AREA");
|
|
286
|
addLayers(layers);
|
|
287
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layerDataLoaded();
|
|
288
|
}
|
|
289
|
});
|
|
290
|
}
|
|
291
|
|
|
292
|
// -- Occurrence Layer --
|
|
293
|
var occurrenceQuery = mapElement.attr('occurrenceQuery');
|
|
294
|
if(occurrenceQuery !== undefined){
|
|
295
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, '&recalculate=false');
|
|
296
|
// if(typeof legendPosition == 'number'){
|
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297
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// occurrenceQuery = mergeQueryStrings(distributionQuery, 'legend=1&mlp=' + opts.legendPosition);
|
|
298
|
// }
|
|
299
|
|
|
300
|
|
|
301
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, 'callback=?');
|
|
302
|
// var legendFormatQuery = mapElement.attr('legendFormatQuery');
|
|
303
|
// if(legendFormatQuery !== undefined){
|
|
304
|
// legendImgSrc = mergeQueryStrings('/GetLegendGraphic?SERVICE=WMS&VERSION=1.1.1', legendFormatQuery);
|
|
305
|
// }
|
|
306
|
if(opts.boundingBox){
|
|
307
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, 'bbox=' + boundingBox);
|
|
308
|
}
|
|
309
|
|
|
310
|
mapServiceRequest = mapserverBaseUrl + mapServicePath + '/' + mapserverVersion + '/rest_gen.php?' + occurrenceQuery;
|
|
311
|
|
|
312
|
LAYER_DATA_CNT++;
|
|
313
|
jQuery.ajax({
|
|
314
|
url: mapServiceRequest,
|
|
315
|
dataType: "jsonp",
|
|
316
|
success: function(data){
|
|
317
|
var layers = createDataLayer(data, "POINT");
|
|
318
|
addLayers(layers);
|
|
319
|
layerDataLoaded();
|
|
320
|
}
|
|
321
|
});
|
|
322
|
}
|
|
323
|
|
|
324
|
if(LAYER_DATA_CNT === 0) {
|
|
325
|
// a map only with base layer
|
|
326
|
initPostDataLoaded();
|
|
327
|
}
|
|
328
|
|
|
329
|
// -- Overlay Layer --
|
|
330
|
if(opts.wmsOverlayLayerData.params){
|
|
331
|
overlay_layer_params = opts.wmsOverlayLayerData.params;
|
|
332
|
overlay_layer_params.transparent=true;
|
|
333
|
wmsOverlay = createWMSLayer(
|
|
334
|
opts.wmsOverlayLayerData.name,
|
|
335
|
opts.wmsOverlayLayerData.url,
|
|
336
|
overlay_layer_params,
|
|
337
|
null,
|
|
338
|
null,
|
|
339
|
null,
|
|
340
|
null
|
|
341
|
);
|
|
342
|
|
|
343
|
if(map.addLayer(wmsOverlay)){
|
|
344
|
wmsOverlay.setVisibility(true);
|
|
345
|
map.setLayerIndex(wmsOverlay, 100);
|
|
346
|
log("Overlay wms added");
|
|
347
|
} else {
|
|
348
|
log("ERROR adding overlay wms layer")
|
|
349
|
}
|
|
350
|
}
|
|
351
|
|
|
352
|
log("Map viewer creation complete.");
|
|
353
|
|
|
354
|
};
|
|
355
|
|
|
356
|
var layerDataLoaded = function() {
|
|
357
|
LAYER_DATA_CNT--;
|
|
358
|
if(LAYER_DATA_CNT === 0){
|
|
359
|
initPostDataLoaded();
|
|
360
|
}
|
|
361
|
};
|
|
362
|
|
|
363
|
var initPostDataLoaded = function () {
|
|
364
|
// all layers prepared, make the visible
|
|
365
|
map.layers.forEach(function(layer){
|
|
366
|
layer.setVisibility(true);
|
|
367
|
});
|
|
368
|
|
|
369
|
// zoom to the zoomToBounds
|
|
370
|
log(" > starting zoomToExtend " + zoomToBounds, true);
|
|
371
|
map.zoomToExtent(zoomToBounds, zoomToClosestLevel);
|
|
372
|
|
|
373
|
if(map.getZoom() > opts.maxZoom){
|
|
374
|
map.zoomTo(opts.maxZoom);
|
|
375
|
} else if(map.getZoom() < opts.minZoom){
|
|
376
|
map.zoomTo(opts.minZoom);
|
|
377
|
}
|
|
378
|
|
|
379
|
// make sure the wmsOverlay is still on top
|
|
380
|
if(wmsOverlay){
|
|
381
|
map.setLayerIndex(wmsOverlay, 100);
|
|
382
|
}
|
|
383
|
|
|
384
|
log(" > zoomToExtend done", true);
|
|
385
|
};
|
|
386
|
|
|
387
|
var getHeight = function(){
|
|
388
|
return mapContainerElement.width() / opts.aspectRatio;
|
|
389
|
};
|
|
390
|
|
|
391
|
var getWidth = function(){
|
|
392
|
return mapContainerElement.width();
|
|
393
|
};
|
|
394
|
|
|
395
|
var adjustHeight = function() {
|
|
396
|
mapContainerElement.css("height", getHeight());
|
|
397
|
};
|
|
398
|
|
|
399
|
/**
|
|
400
|
* public function
|
|
401
|
*/
|
|
402
|
this.registerEvents = function(events){
|
|
403
|
for (var key in events) {
|
|
404
|
if (events.hasOwnProperty(key)) {
|
|
405
|
map.events.register(key, map , events[key]);
|
|
406
|
}
|
|
407
|
}
|
|
408
|
};
|
|
409
|
|
|
410
|
|
|
411
|
/**
|
|
412
|
* public function
|
|
413
|
*/
|
|
414
|
this.getMap = function(){
|
|
415
|
return map;
|
|
416
|
};
|
|
417
|
|
|
418
|
/**
|
|
419
|
* Prints info on the current map into the jQuery element
|
|
420
|
* as set in the options (opts.infoElement)
|
|
421
|
* public function
|
|
422
|
*
|
|
423
|
*/
|
|
424
|
this.printInfo = function(){
|
|
425
|
|
|
426
|
|
|
427
|
var mapExtendDegree = null;
|
|
428
|
if(map.getExtent() != null){
|
|
429
|
// If the baselayer is not yet set, getExtent() returns null.
|
|
430
|
mapExtendDegree = map.getExtent().clone();
|
|
431
|
mapExtendDegree.transform(map.baseLayer.projection, CdmOpenLayers.projections.epsg_4326);
|
|
432
|
}
|
|
433
|
|
|
434
|
var info = "<dl>";
|
|
435
|
info += "<dt>zoom:<dt><dd>" + map.getZoom() + "</dd>";
|
|
436
|
if(opts.debug){
|
|
437
|
info += "<dt>map resolution:<dt><dd>" + map.getResolution() + "</dd>";
|
|
438
|
info += "<dt>map max resolution:<dt><dd>" + map.getMaxResolution() + "</dd>";
|
|
439
|
info += "<dt>map scale:<dt><dd>" + map.getScale() + "</dd>";
|
|
440
|
info += "<dt>map width, height:<dt><dd>" + mapContainerElement.width() + ", " + mapContainerElement.height() + "</dd>";
|
|
441
|
info += "<dt>map aspect ratio:<dt><dd>" + mapContainerElement.width() / mapContainerElement.height() + "</dd>";
|
|
442
|
if(map.getExtent() != null){
|
|
443
|
info += "<dt>map extent bbox:<dt><dd class=\"map-extent-bbox\">" + map.getExtent().toBBOX() + ", <strong>degree:</strong> <span class=\"degree-value\">" + mapExtendDegree.toBBOX() + "</span></dd>";
|
|
444
|
info += "<dt>map maxExtent bbox:<dt><dd>" + map.getMaxExtent().toBBOX() + "</dd>";
|
|
445
|
info += "<dt>baselayer extent bbox:<dt><dd class=\"baselayer-extent-bbox\">" + map.baseLayer.getExtent().toBBOX() + ", <strong>degree:</strong> <span class=\"degree-value\">"
|
|
446
|
+ map.baseLayer.getExtent().clone().transform(map.baseLayer.projection, CdmOpenLayers.projections.epsg_4326) + "</span></dd>"
|
|
447
|
info += "<dt>baselayer projection:<dt><dd>" + map.baseLayer.projection.getCode() + "</dd>";
|
|
448
|
}
|
|
449
|
} else {
|
|
450
|
info += "<dt>bbox:<dt><dd>" + (mapExtendDegree != null ? mapExtendDegree.toBBOX() : 'NULL') + "</dd>";
|
|
451
|
}
|
|
452
|
info += "</dl>";
|
|
453
|
|
|
454
|
if(infoElement == null){
|
|
455
|
infoElement = jQuery('<div class="map_info"></div>');
|
|
456
|
mapElement.parent().after(infoElement);
|
|
457
|
}
|
|
458
|
infoElement.html(info);
|
|
459
|
};
|
|
460
|
|
|
461
|
/**
|
|
462
|
* Initialize the Openlayers Map with the base layer
|
|
463
|
*/
|
|
464
|
var initMap = function(){
|
|
465
|
|
|
466
|
if(opts.showLayerSwitcher === true){
|
|
467
|
defaultControls.push(new OpenLayers.Control.LayerSwitcher({'ascending':false}));
|
|
468
|
}
|
|
469
|
|
|
470
|
// defaultControls.unshift(layerLoadingControl()); // as first control, needs to be below all others!
|
|
471
|
|
|
472
|
// var maxExtentByAspectRatio = cropBoundsToAspectRatio(defaultBaseLayer.maxExtent, getWidth/getHeight);
|
|
473
|
var maxResolution = null;
|
|
474
|
// gmaps has no maxExtent at this point, need to check for null
|
|
475
|
if(defaultBaseLayer.maxExtent != null){
|
|
476
|
maxResolution = Math[(opts.displayOutsideMaxExtent ? 'max' : 'min')](
|
|
477
|
defaultBaseLayer.maxExtent.getWidth() / getWidth(),
|
|
478
|
defaultBaseLayer.maxExtent.getHeight() / getHeight()
|
|
479
|
);
|
|
480
|
}
|
|
481
|
console.log("mapOptions.maxResolution: " + maxResolution);
|
|
482
|
console.log("mapOptions.restrictedExtent: " + defaultBaseLayer.maxExtent);
|
|
483
|
|
|
484
|
map = new OpenLayers.Map(
|
|
485
|
mapElement.attr('id'),
|
|
486
|
{
|
|
487
|
// defines the map ui elements and interaction features
|
|
488
|
controls: defaultControls,
|
|
489
|
|
|
490
|
// maxResolution determines the lowest zoom level and thus places the map
|
|
491
|
// in its maximum extent into the available view port so that no additinal
|
|
492
|
// gutter is visible and no parts of the map are hidden
|
|
493
|
// see http://trac.osgeo.org/openlayers/wiki/SettingZoomLevels
|
|
494
|
// IMPORTANT!!!
|
|
495
|
// the maxResulution set here will be overwritten if the baselayers maxResolution
|
|
496
|
// it is set
|
|
497
|
maxResolution: maxResolution,
|
|
498
|
|
|
499
|
// setting restrictedExtent the the maxExtent prevents from panning the
|
|
500
|
// map out of its bounds
|
|
501
|
restrictedExtent: defaultBaseLayer.maxExtent,
|
|
502
|
// maxExtent: defaultBaseLayer.maxExtent,
|
|
503
|
|
|
504
|
// Setting the map.fractionalZoom property to true allows zooming to an arbitrary level
|
|
505
|
// (between the min and max resolutions).
|
|
506
|
// fractional tiles are not supported by XYZ layers like OSM so this option would
|
|
507
|
// break the tile retrieval for OSM (e.g.: tile for fractional zoom level
|
|
508
|
// 1.2933333333333332 = http://b.tile.openstreetmap.org/1.2933333333333332/1/0.png)
|
|
509
|
fractionalZoom: defaultBaseLayer.CLASS_NAME != "OpenLayers.Layer.OSM" && defaultBaseLayer.CLASS_NAME != "OpenLayers.Layer.XYZ",
|
|
510
|
|
|
511
|
eventListeners: opts.eventListeners,
|
|
512
|
// creating the map with a null theme, since we include the stylesheet directly in the page
|
|
513
|
theme: null
|
|
514
|
|
|
515
|
}
|
|
516
|
);
|
|
517
|
|
|
518
|
//add the base layers
|
|
519
|
|
|
520
|
addLayers(baseLayers);
|
|
521
|
map.setBaseLayer(defaultBaseLayer);
|
|
522
|
|
|
523
|
// calculate the bounds to zoom to
|
|
524
|
zoomToBounds = zoomToBoundsFor(opts.boundingBox ? opts.boundingBox : defaultBaseLayerBoundingBox, defaultBaseLayer);
|
|
525
|
zoomToBounds = cropBoundsToAspectRatio(zoomToBounds, map.getSize().w / map.getSize().h);
|
|
526
|
console.log("baselayer zoomToBounds: " + zoomToBounds);
|
|
527
|
|
|
528
|
};
|
|
529
|
|
|
530
|
var addLayers = function(layers){
|
|
531
|
|
|
532
|
layers.forEach(function(layer){
|
|
533
|
// layer.setVisibility(false);
|
|
534
|
});
|
|
535
|
|
|
536
|
map.addLayers(layers);
|
|
537
|
};
|
|
538
|
|
|
539
|
/**
|
|
540
|
* add a distribution or occurrence layer
|
|
541
|
*
|
|
542
|
* @param mapResponseObj
|
|
543
|
* The reponse object returned by the edit map service
|
|
544
|
* @param dataType
|
|
545
|
* either "AREA" or "POINT"
|
|
546
|
*/
|
|
547
|
var createDataLayer = function(mapResponseObj, dataType){
|
|
548
|
|
|
549
|
console.log("creating data layer of type " + dataType);
|
|
550
|
|
|
551
|
dataLayerOptions = makeWMSLayerOptions();
|
|
552
|
dataLayerOptions.displayOutsideMaxExtent = true; // move into makeWMSLayerOptions?
|
|
553
|
|
|
554
|
var layers = [];
|
|
555
|
// add additional layers, get them from the mapResponseObj
|
|
556
|
if(mapResponseObj !== undefined){
|
|
557
|
if(dataType === "POINT" && mapResponseObj.points_sld !== undefined){
|
|
558
|
var pointLayer;
|
|
559
|
// it is a response for an point map
|
|
560
|
var geoserverUri;
|
|
561
|
if(mapResponseObj.geoserver) {
|
|
562
|
geoserverUri = mapResponseObj.geoserver;
|
|
563
|
} else {
|
|
564
|
// it is an old service which is not providing the corresponding geoserver URI, so we guess it
|
|
565
|
geoserverUri = mapserverBaseUrl + "/geoserver/wms";
|
|
566
|
}
|
|
567
|
|
|
568
|
//TODO points_sld should be renamed to sld in response + fill path to sld should be given
|
|
569
|
pointLayer = new OpenLayers.Layer.WMS(
|
|
570
|
'points',
|
|
571
|
geoserverUri,
|
|
572
|
{
|
|
573
|
layers: 'topp:rest_points',
|
|
574
|
transparent:"true",
|
|
575
|
format:"image/png"
|
|
576
|
},
|
|
577
|
dataLayerOptions
|
|
578
|
);
|
|
579
|
|
|
580
|
var sld = mapResponseObj.points_sld;
|
|
581
|
if(sld.indexOf("http://") !== 0){
|
|
582
|
// it is an old servive which is not providing the full sdl URI, so we guess it
|
|
583
|
// http://edit.africamuseum.be/synthesys/www/v1/sld/
|
|
584
|
// http://edit.br.fgov.be/synthesys/www/v1/sld/
|
|
585
|
sld = mapserverBaseUrl + "/synthesys/www/v1/sld/" + sld;
|
|
586
|
}
|
|
587
|
pointLayer.params.SLD = sld;
|
|
588
|
|
|
589
|
layers.push(pointLayer);
|
|
590
|
} else {
|
|
591
|
// it is a response from for a distribution map
|
|
592
|
console.log("start with adding distribution layers :");
|
|
593
|
for ( var i in mapResponseObj.layers) {
|
|
594
|
var layerData = mapResponseObj.layers[i];
|
|
595
|
|
|
596
|
console.log(" " + i +" -> " + layerData.tdwg);
|
|
597
|
var layer = new OpenLayers.Layer.WMS(
|
|
598
|
layerData.tdwg,
|
|
599
|
mapResponseObj.geoserver + "/wms",
|
|
600
|
{
|
|
601
|
layers: layerByNameMap[layerData.tdwg],
|
|
602
|
transparent:"true",
|
|
603
|
format:"image/png"
|
|
604
|
},
|
|
605
|
dataLayerOptions
|
|
606
|
);
|
|
607
|
layer.params.SLD = layerData.sld;
|
|
608
|
layer.setOpacity(opts.distributionOpacity);
|
|
609
|
|
|
610
|
layers.push(layer);
|
|
611
|
}
|
|
612
|
}
|
|
613
|
|
|
614
|
if(layers.length > 0) {
|
|
615
|
// calculate zoomBounds using the first layer
|
|
616
|
if(mapResponseObj.bbox !== undefined){
|
|
617
|
// mapResponseObj.bbox are bounds for the projection of the specific layer
|
|
618
|
var newBounds = OpenLayers.Bounds.fromString( mapResponseObj.bbox );
|
|
619
|
newBounds.transform(layers[0].projection, map.getProjectionObject());
|
|
620
|
if(dataBounds !== null){
|
|
621
|
dataBounds.extend(newBounds);
|
|
622
|
} else if(newBounds !== undefined){
|
|
623
|
dataBounds = newBounds;
|
|
624
|
}
|
|
625
|
|
|
626
|
zoomToBounds = dataBounds;
|
|
627
|
console.log("data layer zoomToBounds: " + zoomToBounds);
|
|
628
|
zoomToClosestLevel = false;
|
|
629
|
}
|
|
630
|
}
|
|
631
|
|
|
632
|
|
|
633
|
|
|
634
|
if(legendImgSrc != null && opts.legendPosition !== undefined && mapResponseObj.legend !== undefined){
|
|
635
|
var legendSrcUrl = mapResponseObj.geoserver + legendImgSrc + mapResponseObj.legend;
|
|
636
|
addLegendAsElement(legendSrcUrl);
|
|
637
|
//addLegendAsLayer(legendSrcUrl, map);
|
|
638
|
}
|
|
639
|
|
|
640
|
return layers;
|
|
641
|
}
|
|
642
|
|
|
643
|
};
|
|
644
|
|
|
645
|
/**
|
|
646
|
*
|
|
647
|
*/
|
|
648
|
var addLegendAsElement= function(legendSrcUrl){
|
|
649
|
|
|
650
|
var legendElement = jQuery('<div class="openlayers_legend"></div>');
|
|
651
|
var legendImage = jQuery('<img src="' + legendSrcUrl + '"/>');
|
|
652
|
legendElement
|
|
653
|
.css('opacity', opts.legendOpacity)
|
|
654
|
.css('position', 'relative')
|
|
655
|
.css('z-index', '1002')
|
|
656
|
.css('top', -mapElement.height());
|
|
657
|
legendImage.load(function () {
|
|
658
|
jQuery(this).parent()
|
|
659
|
.css('left', getWidth() - jQuery(this).width())
|
|
660
|
.width(jQuery(this).width());
|
|
661
|
// reset height to original value
|
|
662
|
adjustHeight();
|
|
663
|
});
|
|
664
|
legendElement.html(legendImage);
|
|
665
|
mapElement.after(legendElement);
|
|
666
|
};
|
|
667
|
|
|
668
|
var adjustLegendAsElementPosition = function (){
|
|
669
|
var legendContainer = mapContainerElement.children('.openlayers_legend');
|
|
670
|
var legendImage = legendContainer.children('img');
|
|
671
|
legendContainer.css('top', -mapElement.height())
|
|
672
|
.css('left', getWidth() - legendImage.width());
|
|
673
|
};
|
|
674
|
|
|
675
|
|
|
676
|
var addLegendAsLayer= function(legendSrcUrl, map){
|
|
677
|
var w, h;
|
|
678
|
|
|
679
|
// 1. download image to find height and width
|
|
680
|
mapElement.after('<div class="openlayers_legend"><img src="' + legendSrcUrl + '"></div>');
|
|
681
|
mapElement.next('.openlayers_legend').css('display', 'none').css('opacity', opts.legendOpacity).find('img').load(function () {
|
|
682
|
|
|
683
|
w = mapElement.next('.openlayers_legend').find('img').width();
|
|
684
|
h = mapElement.next('.openlayers_legend').find('img').height();
|
|
685
|
mapElement.next('.openlayers_legend').remove();
|
|
686
|
|
|
687
|
// createLegendLayer();
|
|
688
|
// // 2. create the Legend Layer
|
|
689
|
//TODO createLegendLayer as inner function seems like an error
|
|
690
|
// var createLegendLayer = function(){
|
|
691
|
//
|
|
692
|
//
|
|
693
|
// var legendLayerOptions={
|
|
694
|
// maxResolution: '.$maxRes.',
|
|
695
|
// maxExtent: new OpenLayers.Bounds(0, 0, w, h)
|
|
696
|
// };
|
|
697
|
//
|
|
698
|
// var legendLayer = new OpenLayers.Layer.Image(
|
|
699
|
// 'Legend',
|
|
700
|
// legendSrcUrl,
|
|
701
|
// new OpenLayers.Bounds(0, 0, w, h),
|
|
702
|
// new OpenLayers.Size(w, h),
|
|
703
|
// imageLayerOptions);
|
|
704
|
// };
|
|
705
|
});
|
|
706
|
|
|
707
|
|
|
708
|
};
|
|
709
|
|
|
710
|
/**
|
|
711
|
* merge 2 Url query strings
|
|
712
|
*/
|
|
713
|
var mergeQueryStrings = function(queryStr1, queryStr2){
|
|
714
|
if(queryStr1.charAt(queryStr1.length - 1) != '&'){
|
|
715
|
queryStr1 += '&';
|
|
716
|
}
|
|
717
|
if(queryStr2.charAt(0) == '&'){
|
|
718
|
return queryStr1 + queryStr2.substr(1);
|
|
719
|
} else {
|
|
720
|
return queryStr1 + queryStr2;
|
|
721
|
}
|
|
722
|
|
|
723
|
};
|
|
724
|
|
|
725
|
/**
|
|
726
|
*
|
|
727
|
*/
|
|
728
|
var createBaseLayers = function( baseLayerNames, defaultBaseLayerName, customWMSBaseLayerData){
|
|
729
|
|
|
730
|
for(var i = 0; i < baseLayerNames.length; i++) {
|
|
731
|
// create the layer
|
|
732
|
if (baseLayerNames[i] === "custom_wms_base_layer_1"){
|
|
733
|
wmsBaseLayer =createWMSLayer(
|
|
734
|
customWMSBaseLayerData.name,
|
|
735
|
customWMSBaseLayerData.url,
|
|
736
|
customWMSBaseLayerData.params,
|
|
737
|
customWMSBaseLayerData.projection,
|
|
738
|
customWMSBaseLayerData.proj4js_def,
|
|
739
|
customWMSBaseLayerData.units,
|
|
740
|
customWMSBaseLayerData.max_extent
|
|
741
|
);
|
|
742
|
wmsBaseLayer.setIsBaseLayer(true);
|
|
743
|
baseLayers[i] = wmsBaseLayer;
|
|
744
|
} else {
|
|
745
|
baseLayers[i] = window.CdmOpenLayers.getLayerByName(baseLayerNames[i]);
|
|
746
|
}
|
|
747
|
// set default baselayer
|
|
748
|
if(baseLayerNames[i] === defaultBaseLayerName){
|
|
749
|
defaultBaseLayer = baseLayers[i];
|
|
750
|
}
|
|
751
|
|
|
752
|
}
|
|
753
|
};
|
|
754
|
|
|
755
|
/**
|
|
756
|
* returns the intersection of the bounds b1 and b2.
|
|
757
|
* The b1 and b2 do not intersect b1 will be returned.
|
|
758
|
*
|
|
759
|
* @param OpenLayers.Bounds b1
|
|
760
|
* @param OpenLayers.Bounds b2
|
|
761
|
*
|
|
762
|
* @return the bounds of the intersection between both rectangles
|
|
763
|
*/
|
|
764
|
var intersectionOfBounds = function (b1, b2){
|
|
765
|
|
|
766
|
if(b1.intersectsBounds(b2)){
|
|
767
|
|
|
768
|
var left = Math.max(b1.left, b2.left);
|
|
769
|
var bottom = Math.max(b1.bottom, b2.bottom);
|
|
770
|
var right = Math.min(b1.right, b2.right);
|
|
771
|
var top = Math.min(b1.top, b2.top);
|
|
772
|
|
|
773
|
return new OpenLayers.Bounds(left, bottom, right, top);
|
|
774
|
|
|
775
|
} else {
|
|
776
|
return b1;
|
|
777
|
}
|
|
778
|
};
|
|
779
|
|
|
780
|
/**
|
|
781
|
*
|
|
782
|
* @param OpenLayers.Bounds b
|
|
783
|
* @param float aspectRatio width/height
|
|
784
|
*
|
|
785
|
* @return the bounds cropped to the given aspectRatio
|
|
786
|
*/
|
|
787
|
var cropBoundsToAspectRatio = function (b, aspectRatio){
|
|
788
|
|
|
789
|
var cropedB = b.clone();
|
|
790
|
|
|
791
|
if(aspectRatio == 1){
|
|
792
|
return cropedB;
|
|
793
|
}
|
|
794
|
|
|
795
|
/*
|
|
796
|
* LonLat:
|
|
797
|
* lon {Float} The x-axis coodinate in map units
|
|
798
|
* lat {Float} The y-axis coordinate in map units
|
|
799
|
*/
|
|
800
|
var center = cropedB.getCenterLonLat();
|
|
801
|
if(aspectRatio < 1){
|
|
802
|
var dist = (b.getHeight() / 2) * aspectRatio;
|
|
803
|
cropedB.top = center.lat + dist;
|
|
804
|
cropedB.cropedBottom = center.lat - dist;
|
|
805
|
} else if(aspectRatio > 1){
|
|
806
|
var dist = (b.getWidth() / 2) / aspectRatio;
|
|
807
|
cropedB.left = center.lon - dist;
|
|
808
|
cropedB.right = center.lon + dist;
|
|
809
|
}
|
|
810
|
return cropedB;
|
|
811
|
};
|
|
812
|
|
|
813
|
/**
|
|
814
|
* returns the version number contained in the version string:
|
|
815
|
* v1.1 --> 1.1
|
|
816
|
* v1.2_dev --> 1.2
|
|
817
|
*/
|
|
818
|
var mapServerVersionNumber = function() {
|
|
819
|
var pattern = /v([\d\.]+).*$/;
|
|
820
|
var result;
|
|
821
|
if (result = mapserverVersion.match(pattern) !== null) {
|
|
822
|
return result[0];
|
|
823
|
} else {
|
|
824
|
return null;
|
|
825
|
}
|
|
826
|
};
|
|
827
|
|
|
828
|
|
|
829
|
|
|
830
|
/**
|
|
831
|
* returns the zoom to bounds.
|
|
832
|
*
|
|
833
|
* NOTE: only used for the base layer
|
|
834
|
*
|
|
835
|
* @param bboxString
|
|
836
|
* a string representation of the bounds in degree for epsg_4326
|
|
837
|
* @param layer
|
|
838
|
* the Openlayers.Layer
|
|
839
|
*
|
|
840
|
* @return the bboxstring projected onto the layer and intersected with the maximum extent of the layer
|
|
841
|
*/
|
|
842
|
var zoomToBoundsFor = function(bboxString, layer){
|
|
843
|
var zoomToBounds;
|
|
844
|
if(bboxString) {
|
|
845
|
zoomToBounds = OpenLayers.Bounds.fromString(bboxString);
|
|
846
|
// transform bounding box given in degree values to the projection of the base layer
|
|
847
|
zoomToBounds.transform(CdmOpenLayers.projections.epsg_4326, layer.projection);
|
|
848
|
} else if(layer.maxExtent) {
|
|
849
|
zoomToBounds = layer.maxExtent;
|
|
850
|
// no need to transform since the bounds are obtained from the layer
|
|
851
|
} else {
|
|
852
|
zoomToBounds = new OpenLayers.Bounds(-180, -90, 180, 90);
|
|
853
|
// transform bounding box given in degree values to the projection of the base layer
|
|
854
|
zoomToBounds.transform(CdmOpenLayers.projections.epsg_4326, layer.projection);
|
|
855
|
}
|
|
856
|
|
|
857
|
zoomToBounds = intersectionOfBounds(layer.maxExtent, zoomToBounds);
|
|
858
|
|
|
859
|
return zoomToBounds;
|
|
860
|
};
|
|
861
|
|
|
862
|
var log = function(message, addTimeStamp){
|
|
863
|
var timestamp = '';
|
|
864
|
if(addTimeStamp == true){
|
|
865
|
var time = new Date();
|
|
866
|
timestamp = time.getSeconds() + '.' + time.getMilliseconds() + 's';
|
|
867
|
}
|
|
868
|
console.log(timestamp + message);
|
|
869
|
};
|
|
870
|
|
|
871
|
var makeWMSLayerOptions = function(projection, proj4js_def, maxExtent, units){
|
|
872
|
wmsOptions = {
|
|
873
|
isBaseLayer: false,
|
|
874
|
displayInLayerSwitcher: true
|
|
875
|
};
|
|
876
|
|
|
877
|
if (projection) {
|
|
878
|
if (proj4js_def) {
|
|
879
|
// in case projection has been defined for the layer and if there is also
|
|
880
|
// a Proj4js.defs, add it!
|
|
881
|
Proj4js.defs[projection] = proj4js_def;
|
|
882
|
}
|
|
883
|
wmsOptions.projection = projection;
|
|
884
|
if (maxExtent === null) {
|
|
885
|
maxExtent = CdmOpenLayers.mapExtends.epsg_4326.clone();
|
|
886
|
maxExtent.transform(CdmOpenLayers.projections.epsg_4326, projection);
|
|
887
|
}
|
|
888
|
} else {
|
|
889
|
// use the projection and maxextent of the base layer
|
|
890
|
maxExtent = map.baseLayer.maxExtent;
|
|
891
|
}
|
|
892
|
|
|
893
|
if (maxExtent) {
|
|
894
|
wmsOptions.maxExtent = maxExtent;
|
|
895
|
}
|
|
896
|
|
|
897
|
if (units) {
|
|
898
|
wmsOptions.units = units;
|
|
899
|
}
|
|
900
|
return wmsOptions;
|
|
901
|
};
|
|
902
|
|
|
903
|
/**
|
|
904
|
* Creates a WMS Base layer
|
|
905
|
* @param String name
|
|
906
|
* A name for the layer
|
|
907
|
* @param String url
|
|
908
|
* Base url for the WMS (e.g. http://wms.jpl.nasa.gov/wms.cgi)
|
|
909
|
* @param Object params
|
|
910
|
* An object with key/value pairs representing the GetMap query string parameters and parameter values.
|
|
911
|
* @param Object projection
|
|
912
|
* A OpenLayers.Projection object
|
|
913
|
*/
|
|
914
|
var createWMSLayer= function(name, url, params, projection, proj4js_def, units, maxExtent){
|
|
915
|
|
|
916
|
console.log("creating WMS Layer " + name);
|
|
917
|
|
|
918
|
wmsOptions = makeWMSLayerOptions(projection, proj4js_def, maxExtent, units);
|
|
919
|
|
|
920
|
wmsLayer = new OpenLayers.Layer.WMS(
|
|
921
|
name,
|
|
922
|
url,
|
|
923
|
params,
|
|
924
|
wmsOptions
|
|
925
|
);
|
|
926
|
|
|
927
|
if(wmsLayer === null){
|
|
928
|
console.log("Error creating WMS Layer");
|
|
929
|
}
|
|
930
|
|
|
931
|
return wmsLayer;
|
|
932
|
};
|
|
933
|
|
|
934
|
var layerLoadingControl = function() {
|
|
935
|
|
|
936
|
var control = new OpenLayers.Control();
|
|
937
|
|
|
938
|
OpenLayers.Util.extend(control, {
|
|
939
|
|
|
940
|
LAYERS_LOADING: 0,
|
|
941
|
|
|
942
|
updateState: function () {
|
|
943
|
if(this.div != null){
|
|
944
|
if (this.LAYERS_LOADING > 0) {
|
|
945
|
this.div.style.display = "block";
|
|
946
|
} else {
|
|
947
|
this.div.style.display = "none";
|
|
948
|
}
|
|
949
|
}
|
|
950
|
},
|
|
951
|
|
|
952
|
updateSize: function () {
|
|
953
|
this.div.style.width = this.map.size.w + "px";
|
|
954
|
this.div.style.height = this.map.size.h + "px";
|
|
955
|
this.div.style.textAlign = "center";
|
|
956
|
this.div.style.lineHeight = this.map.size.h + "px";
|
|
957
|
},
|
|
958
|
|
|
959
|
counterIncrease: function (layer) {
|
|
960
|
this.control.LAYERS_LOADING++;
|
|
961
|
log(' > loading start : ' + this.layer.name + ' ' + this.control.LAYERS_LOADING, true);
|
|
962
|
this.control.updateState();
|
|
963
|
},
|
|
964
|
|
|
965
|
counterDecrease: function (layer) {
|
|
966
|
this.control.LAYERS_LOADING--;
|
|
967
|
log(' > loading end : ' + this.layer.name + ' ' + this.control.LAYERS_LOADING, true);
|
|
968
|
this.control.updateState();
|
|
969
|
},
|
|
970
|
|
|
971
|
draw: function () {
|
|
972
|
|
|
973
|
// call the default draw function to initialize this.div
|
|
974
|
OpenLayers.Control.prototype.draw.apply(this, arguments);
|
|
975
|
|
|
976
|
this.map.events.register('updatesize', this, function(e){
|
|
977
|
this.updateSize();
|
|
978
|
}
|
|
979
|
);
|
|
980
|
|
|
981
|
var loadingIcon = document.createElement("i");
|
|
982
|
var fa_class = document.createAttribute("class");
|
|
983
|
// fa-circle-o-notch fa-spin
|
|
984
|
// fa-spinner fa-pulse
|
|
985
|
// fa-refresh
|
|
986
|
fa_class.value = "fa fa-refresh fa-spin fa-5x";
|
|
987
|
loadingIcon.attributes.setNamedItem(fa_class);
|
|
988
|
|
|
989
|
this.updateSize();
|
|
990
|
|
|
991
|
this.div.appendChild(loadingIcon);
|
|
992
|
|
|
993
|
this.registerEvents();
|
|
994
|
|
|
995
|
return this.div;
|
|
996
|
},
|
|
997
|
|
|
998
|
registerEvents: function() {
|
|
999
|
|
|
1000
|
this.map.events.register('preaddlayer', this, function(e){
|
|
1001
|
console.log(" > preaddlayer " + e.layer.name);
|
|
1002
|
e.layer.events.register('loadstart', {control: this, layer: e.layer}, this.counterIncrease);
|
|
1003
|
e.layer.events.register('loadend', {control: this, layer: e.layer}, this.counterDecrease);
|
|
1004
|
});
|
|
1005
|
}
|
|
1006
|
|
|
1007
|
});
|
|
1008
|
|
|
1009
|
return control;
|
|
1010
|
}
|
|
1011
|
|
|
1012
|
}; // end of CdmOpenLayers.Map
|
|
1013
|
})();
|
|
1014
|
|
|
1015
|
|
|
1016
|
|
|
1017
|
|
|
1018
|
|
|
1019
|
|
|
1020
|
|
|
1021
|
|
|
1022
|
|