render geomap from nodes.json
This commit is contained in:
Nils Schneider
parent
30526f51a9
commit
913608ae4f
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@ -19,94 +19,8 @@
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<script src="http://maps.burningsilicon.net/OpenLayers-2.8/OpenLayers.js"></script>
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<script src="http://maps.burningsilicon.net/OpenLayers-2.8/OpenStreetMap.js"></script>
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<script type="text/javascript">
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var map;
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OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control);
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function init()
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{
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map = new OpenLayers.Map ("map", {
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controls:[
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new OpenLayers.Control.Navigation(),
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new OpenLayers.Control.PanZoomBar(),
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new OpenLayers.Control.LayerSwitcher(),
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new OpenLayers.Control.Attribution(),
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new OpenLayers.Control.Permalink(),
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new OpenLayers.Control.ScaleLine(),
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new OpenLayers.Control.OverviewMap(),
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new OpenLayers.Control.MousePosition()],
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maxResolution: 156543.0399,
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numZoomLevels: 19,
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units: 'm',
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projection: new OpenLayers.Projection("EPSG:900913"),
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displayProjection: new OpenLayers.Projection("EPSG:4326")
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} );
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var layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {opacity: 0.5});
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map.addLayer(layerMapnik);
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var center = new OpenLayers.LonLat(153.02775, -27.47558).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
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var zoom = 11
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map.setCenter(center, zoom);
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vectorLayer = new OpenLayers.Layer.GML("KML", 'geomap.kml',
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{
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projection: new OpenLayers.Projection("EPSG:4326"),
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eventListeners: { 'loadend': kmlLoaded },
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format: OpenLayers.Format.KML,
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formatOptions: {
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style: {strokeColor: "green", strokeWidth: 5, strokeOpacity: 0.5},
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extractStyles: true,
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maxDepth: 2,
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extractAttributes: true
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}
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});
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map.addLayer(vectorLayer);
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selectControl = new OpenLayers.Control.SelectFeature(map.layers[1],
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{onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});
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map.addControl(selectControl);
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selectControl.activate();
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var click = new OpenLayers.Control.Click();
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map.addControl(click);
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click.activate();
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}
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function onPopupClose(evt)
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{
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selectControl.unselect(selectedFeature);
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}
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function onFeatureSelect(feature)
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{
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selectedFeature = feature;
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popup = new OpenLayers.Popup.FramedCloud("chicken",
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feature.geometry.getBounds().getCenterLonLat(),
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new OpenLayers.Size(100,150),
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"<div style='font-size:.8em'><b>Name:</b>"+feature.attributes.name+"<br><b>Description:</b>"+feature.attributes.description+"</div>",
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null, true, onPopupClose);
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feature.popup = popup;
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map.addPopup(popup);
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}
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function onFeatureUnselect(feature)
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{
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map.removePopup(feature.popup);
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feature.popup.destroy();
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feature.popup = null;
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}
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function kmlLoaded()
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{
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map.zoomToExtent(vectorLayer.getDataExtent());
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}
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</script>
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<script type="text/javascript" src="d3.v2.js"></script>
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<script type="text/javascript" src="geomap.js"></script>
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</head>
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<body onload="init()">
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128
html/geomap.js
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128
html/geomap.js
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@ -0,0 +1,128 @@
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var map;
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OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control);
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function init()
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{
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map = new OpenLayers.Map ("map", {
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controls:[
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new OpenLayers.Control.Navigation(),
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new OpenLayers.Control.PanZoomBar(),
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new OpenLayers.Control.Attribution(),
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new OpenLayers.Control.ScaleLine(),
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new OpenLayers.Control.MousePosition()],
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maxResolution: 156543.0399,
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numZoomLevels: 19,
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units: 'm',
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projection: new OpenLayers.Projection("EPSG:900913"),
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displayProjection: new OpenLayers.Projection("EPSG:4326")
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} );
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var layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {opacity: 0.5});
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map.addLayer(layerMapnik);
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var center = new OpenLayers.LonLat(10.688, 53.866).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
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var zoom = 12
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map.setCenter(center, zoom);
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vectorLayer = new OpenLayers.Layer.Vector("Nodes");
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map.addLayer(vectorLayer);
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selectControl = new OpenLayers.Control.SelectFeature(map.layers[1],
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{onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});
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map.addControl(selectControl);
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selectControl.activate();
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var click = new OpenLayers.Control.Click();
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map.addControl(click);
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click.activate();
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load_json(vectorLayer, map)
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}
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function onPopupClose(evt)
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{
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selectControl.unselect(selectedFeature);
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}
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function onFeatureSelect(feature)
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{
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selectedFeature = feature;
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popup = new OpenLayers.Popup.FramedCloud("chicken",
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feature.geometry.getBounds().getCenterLonLat(),
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new OpenLayers.Size(100,150),
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"<div style='font-size:.8em'><b>Name:</b>"+feature.attributes.name+"<br><b>Description:</b>"+feature.attributes.description+"</div>",
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null, true, onPopupClose);
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feature.popup = popup;
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map.addPopup(popup);
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}
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function onFeatureUnselect(feature)
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{
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map.removePopup(feature.popup);
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feature.popup.destroy();
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feature.popup = null;
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}
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function kmlLoaded()
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{
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map.zoomToExtent(vectorLayer.getDataExtent());
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}
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function load_json(layer, map) {
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d3.json("nodes.json", function(json) {
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// replace indices with real objects
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json.links.forEach( function(d) {
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if (typeof d.source == "number") d.source = json.nodes[d.source]
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if (typeof d.target == "number") d.target = json.nodes[d.target]
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})
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json.nodes.filter( function(d) {
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return d.geo !== null
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}).forEach( function(d) {
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var lonlat = new OpenLayers.LonLat(d.geo[1], d.geo[0])
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.transform( new OpenLayers.Projection("EPSG:4326"),
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map.getProjectionObject()
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);
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var img = d.flags.online?"router-up.png":"router-down.png"
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var feature = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat),
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{name: d.name, description: d.id},
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{externalGraphic: img, graphicHeight: 32, graphicWidth: 32}
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)
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layer.addFeatures([feature])
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})
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json.links.filter( function(d) {
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return d.source.geo !== null && d.target.geo !== null &&
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d.type != "vpn"
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}).forEach( function(d) {
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var a = new OpenLayers.LonLat(d.source.geo[1], d.source.geo[0])
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.transform( new OpenLayers.Projection("EPSG:4326"),
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map.getProjectionObject()
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);
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var b = new OpenLayers.LonLat(d.target.geo[1], d.target.geo[0])
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.transform( new OpenLayers.Projection("EPSG:4326"),
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map.getProjectionObject()
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);
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var feature = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.LineString(
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[new OpenLayers.Geometry.Point(a.lon, a.lat),
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new OpenLayers.Geometry.Point(b.lon, b.lat),
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]),
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{name: d.name, description: d.id},
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{
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strokeColor: '#00ff00',
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strokeOpacity: 0.5,
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strokeWidth: 5
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})
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layer.addFeatures([feature])
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})
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})
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}
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