forked from GNUsocial/gnu-social
485 lines
16 KiB
JavaScript
485 lines
16 KiB
JavaScript
mxn.register('openlayers', {
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Mapstraction: {
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init: function(element, api){
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var me = this;
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this.maps[api] = new OpenLayers.Map(
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element.id,
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{
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maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
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maxResolution:156543,
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numZoomLevels:18,
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units:'meters',
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projection: "EPSG:41001"
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}
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);
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this.layers['osmmapnik'] = new OpenLayers.Layer.TMS(
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'OSM Mapnik',
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[
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"http://a.tile.openstreetmap.org/",
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"http://b.tile.openstreetmap.org/",
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"http://c.tile.openstreetmap.org/"
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],
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{
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type:'png',
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getURL: function (bounds) {
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var res = this.map.getResolution();
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var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
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var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
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var z = this.map.getZoom();
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var limit = Math.pow(2, z);
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if (y < 0 || y >= limit) {
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return null;
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} else {
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x = ((x % limit) + limit) % limit;
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var path = z + "/" + x + "/" + y + "." + this.type;
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var url = this.url;
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if (url instanceof Array) {
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url = this.selectUrl(path, url);
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}
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return url + path;
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}
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},
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displayOutsideMaxExtent: true
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}
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);
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this.layers['osm'] = new OpenLayers.Layer.TMS(
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'OSM',
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[
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"http://a.tah.openstreetmap.org/Tiles/tile.php/",
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"http://b.tah.openstreetmap.org/Tiles/tile.php/",
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"http://c.tah.openstreetmap.org/Tiles/tile.php/"
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],
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{
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type:'png',
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getURL: function (bounds) {
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var res = this.map.getResolution();
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var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
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var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
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var z = this.map.getZoom();
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var limit = Math.pow(2, z);
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if (y < 0 || y >= limit) {
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return null;
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} else {
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x = ((x % limit) + limit) % limit;
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var path = z + "/" + x + "/" + y + "." + this.type;
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var url = this.url;
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if (url instanceof Array) {
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url = this.selectUrl(path, url);
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}
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return url + path;
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}
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},
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displayOutsideMaxExtent: true
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}
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);
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this.maps[api].addLayer(this.layers['osmmapnik']);
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this.maps[api].addLayer(this.layers['osm']);
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},
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applyOptions: function(){
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// var map = this.maps[this.api];
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// var myOptions = [];
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// if (this.options.enableDragging) {
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// myOptions.draggable = true;
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// }
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// if (this.options.enableScrollWheelZoom){
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// myOptions.scrollwheel = true;
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// }
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// map.setOptions(myOptions);
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},
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resizeTo: function(width, height){
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this.currentElement.style.width = width;
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this.currentElement.style.height = height;
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this.maps[this.api].updateSize();
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},
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addControls: function( args ) {
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var map = this.maps[this.api];
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// FIXME: OpenLayers has a bug removing all the controls says crschmidt
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for (var i = map.controls.length; i>1; i--) {
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map.controls[i-1].deactivate();
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map.removeControl(map.controls[i-1]);
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}
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if ( args.zoom == 'large' ) {
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map.addControl(new OpenLayers.Control.PanZoomBar());
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}
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else if ( args.zoom == 'small' ) {
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map.addControl(new OpenLayers.Control.ZoomPanel());
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if ( args.pan) {
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map.addControl(new OpenLayers.Control.PanPanel());
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}
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}
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else {
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if ( args.pan){
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map.addControl(new OpenLayers.Control.PanPanel());
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}
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}
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if ( args.overview ) {
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map.addControl(new OpenLayers.Control.OverviewMap());
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}
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if ( args.map_type ) {
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map.addControl(new OpenLayers.Control.LayerSwitcher());
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}
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},
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addSmallControls: function() {
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var map = this.maps[this.api];
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this.addControlsArgs.pan = false;
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this.addControlsArgs.scale = false;
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this.addControlsArgs.zoom = 'small';
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map.addControl(new OpenLayers.Control.ZoomBox());
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map.addControl(new OpenLayers.Control.LayerSwitcher({
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'ascending':false
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}));
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},
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addLargeControls: function() {
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var map = this.maps[this.api];
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map.addControl(new OpenLayers.Control.PanZoomBar());
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this.addControlsArgs.pan = true;
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this.addControlsArgs.zoom = 'large';
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},
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addMapTypeControls: function() {
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var map = this.maps[this.api];
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map.addControl( new OpenLayers.Control.LayerSwitcher({
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'ascending':false
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}) );
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this.addControlsArgs.map_type = true;
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},
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setCenterAndZoom: function(point, zoom) {
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var map = this.maps[this.api];
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var pt = point.toProprietary(this.api);
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map.setCenter(point.toProprietary(this.api), zoom);
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},
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addMarker: function(marker, old) {
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var map = this.maps[this.api];
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var pin = marker.toProprietary(this.api);
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if (!this.layers['markers']) {
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this.layers['markers'] = new OpenLayers.Layer.Markers('markers');
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map.addLayer(this.layers['markers']);
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}
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this.layers['markers'].addMarker(pin);
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return pin;
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},
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removeMarker: function(marker) {
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var map = this.maps[this.api];
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var pin = marker.toProprietary(this.api);
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this.layers['markers'].removeMarker(pin);
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pin.destroy();
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},
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removeAllMarkers: function() {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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declutterMarkers: function(opts) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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addPolyline: function(polyline, old) {
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var map = this.maps[this.api];
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var pl = polyline.toProprietary(this.api);
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if (!this.layers['polylines']) {
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this.layers['polylines'] = new OpenLayers.Layer.Vector('polylines');
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map.addLayer(this.layers['polylines']);
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}
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polyline.setChild(pl);
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this.layers['polylines'].addFeatures([pl]);
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return pl;
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},
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removePolyline: function(polyline) {
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var map = this.maps[this.api];
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var pl = polyline.toProprietary(this.api);
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this.layers['polylines'].removeFeatures([pl]);
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},
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removeAllPolylines: function() {
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var olpolylines = [];
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for(var i = 0, length = this.polylines.length; i < length; i++){
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olpolylines.push(this.polylines[i].toProprietary(this.api));
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}
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if (this.layers['polylines']) this.layers['polylines'].removeFeatures(olpolylines);
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},
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getCenter: function() {
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var map = this.maps[this.api];
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pt = map.getCenter();
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return new mxn.LatLonPoint(pt.lat, pt.lon);
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},
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setCenter: function(point, options) {
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var map = this.maps[this.api];
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var pt = point.toProprietary(this.api);
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map.setCenter(pt);
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},
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setZoom: function(zoom) {
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var map = this.maps[this.api];
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map.zoomTo(zoom);
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},
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getZoom: function() {
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var map = this.maps[this.api];
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return map.zoom;
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},
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getZoomLevelForBoundingBox: function( bbox ) {
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var map = this.maps[this.api];
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// throw 'Not implemented';
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return zoom;
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},
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setMapType: function(type) {
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var map = this.maps[this.api];
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throw 'Not implemented (setMapType)';
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},
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getMapType: function() {
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var map = this.maps[this.api];
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// TODO: implement actual layer support
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return mxn.Mapstraction.ROAD;
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},
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getBounds: function () {
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var map = this.maps[this.api];
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var olbox = map.calculateBounds();
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return new mxn.BoundingBox(olbox.bottom, olbox.left, olbox.top, olbox.right);
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},
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setBounds: function(bounds){
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var map = this.maps[this.api];
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var sw = bounds.getSouthWest();
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var ne = bounds.getNorthEast();
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if(sw.lon > ne.lon) {
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sw.lon -= 360;
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}
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var obounds = new OpenLayers.Bounds();
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obounds.extend(new mxn.LatLonPoint(sw.lat,sw.lon).toProprietary(this.api));
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obounds.extend(new mxn.LatLonPoint(ne.lat,ne.lon).toProprietary(this.api));
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map.zoomToExtent(obounds);
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},
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addImageOverlay: function(id, src, opacity, west, south, east, north, oContext) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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setImagePosition: function(id, oContext) {
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var map = this.maps[this.api];
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var topLeftPoint; var bottomRightPoint;
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// TODO: Add provider code
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//oContext.pixels.top = ...;
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//oContext.pixels.left = ...;
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//oContext.pixels.bottom = ...;
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//oContext.pixels.right = ...;
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},
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addOverlay: function(url, autoCenterAndZoom) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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addTileLayer: function(tile_url, opacity, copyright_text, min_zoom, max_zoom) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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toggleTileLayer: function(tile_url) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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getPixelRatio: function() {
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var map = this.maps[this.api];
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// TODO: Add provider code
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},
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mousePosition: function(element) {
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var map = this.maps[this.api];
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// TODO: Add provider code
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}
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},
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LatLonPoint: {
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toProprietary: function() {
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var ollon = this.lon * 20037508.34 / 180;
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var ollat = Math.log(Math.tan((90 + this.lat) * Math.PI / 360)) / (Math.PI / 180);
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ollat = ollat * 20037508.34 / 180;
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return new OpenLayers.LonLat(ollon, ollat);
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},
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fromProprietary: function(olPoint) {
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var lon = (olPoint.lon / 20037508.34) * 180;
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var lat = (olPoint.lat / 20037508.34) * 180;
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lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
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this.lon = lon;
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this.lat = lat;
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}
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},
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Marker: {
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toProprietary: function() {
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var size, anchor, icon;
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if(this.iconSize) {
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size = new OpenLayers.Size(this.iconSize[0], this.iconSize[1]);
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}
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else {
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size = new OpenLayers.Size(21,25);
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}
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if(this.iconAnchor) {
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anchor = new OpenLayers.Pixel(this.iconAnchor[0], this.iconAnchor[1]);
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}
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else {
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// FIXME: hard-coding the anchor point
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anchor = new OpenLayers.Pixel(-(size.w/2), -size.h);
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}
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if(this.iconUrl) {
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icon = new OpenLayers.Icon(this.iconUrl, size, anchor);
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}
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else {
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icon = new OpenLayers.Icon('http://openlayers.org/dev/img/marker-gold.png', size, anchor);
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}
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var marker = new OpenLayers.Marker(this.location.toProprietary("openlayers"), icon);
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if(this.infoBubble) {
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var popup = new OpenLayers.Popup(null,
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this.location.toProprietary("openlayers"),
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new OpenLayers.Size(100,100),
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this.infoBubble,
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true);
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popup.autoSize = true;
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var theMap = this.map;
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if(this.hover) {
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marker.events.register("mouseover", marker, function(event) {
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theMap.addPopup(popup);
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popup.show();
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});
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marker.events.register("mouseout", marker, function(event) {
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popup.hide();
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theMap.removePopup(popup);
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});
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}
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else {
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var shown = false;
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marker.events.register("mousedown", marker, function(event) {
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if (shown) {
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popup.hide();
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theMap.removePopup(popup);
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shown = false;
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} else {
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theMap.addPopup(popup);
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popup.show();
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shown = true;
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}
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});
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}
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}
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if(this.hoverIconUrl) {
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// TODO
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}
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if(this.infoDiv){
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// TODO
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}
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return marker;
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},
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openBubble: function() {
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// TODO: Add provider code
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},
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hide: function() {
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this.proprietary_marker.setOptions({visible:false});
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},
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show: function() {
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this.proprietary_marker.setOptions({visible:true});
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},
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update: function() {
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// TODO: Add provider code
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}
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},
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Polyline: {
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toProprietary: function() {
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var olpolyline;
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var olpoints = [];
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var ring;
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var style = {
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strokeColor: this.color || "#000000",
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strokeOpacity: this.opacity || 1,
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strokeWidth: this.width || 1,
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fillColor: this.fillColor || "#000000",
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fillOpacity: this.getAttribute('fillOpacity') || 0.2
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};
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//TODO Handle closed attribute
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for (var i = 0, length = this.points.length ; i< length; i++){
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olpoint = this.points[i].toProprietary("openlayers");
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olpoints.push(new OpenLayers.Geometry.Point(olpoint.lon, olpoint.lat));
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}
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if (this.closed) {
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// a closed polygon
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ring = new OpenLayers.Geometry.LinearRing(olpoints);
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} else {
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// a line
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ring = new OpenLayers.Geometry.LineString(olpoints);
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}
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olpolyline = new OpenLayers.Feature.Vector(ring, null, style);
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return olpolyline;
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},
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show: function() {
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throw 'Not implemented';
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},
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hide: function() {
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throw 'Not implemented';
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}
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}
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}); |