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authorChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
committerChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
commitea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch)
treeaf67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/examples/label-scale.js
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-ea346a785dc1b3f7c156f6fc33da634e1f1a627b.zip
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
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+// Create 50 random features, and give them a "type" attribute that
+// will be used for the label text.
+var features = new Array(50);
+for (var i=0; i<features.length; i++) {
+ features[i] = new OpenLayers.Feature.Vector(
+ new OpenLayers.Geometry.Point(
+ (360 * Math.random()) - 180, (180 * Math.random()) - 90
+ ), {
+ type: 5 + parseInt(5 * Math.random())
+ }
+ );
+}
+
+/**
+ * Create a style instance that is a collection of rules with symbolizers.
+ * Use a default symbolizer to extend symoblizers for all rules.
+ */
+var style = new OpenLayers.Style({
+ fillColor: "#ffcc66",
+ strokeColor: "#ff9933",
+ strokeWidth: 2,
+ label: "${type}",
+ fontColor: "#333333",
+ fontFamily: "sans-serif",
+ fontWeight: "bold"
+}, {
+ rules: [
+ new OpenLayers.Rule({
+ minScaleDenominator: 200000000,
+ symbolizer: {
+ pointRadius: 7,
+ fontSize: "9px"
+ }
+ }),
+ new OpenLayers.Rule({
+ maxScaleDenominator: 200000000,
+ minScaleDenominator: 100000000,
+ symbolizer: {
+ pointRadius: 10,
+ fontSize: "12px"
+ }
+ }),
+ new OpenLayers.Rule({
+ maxScaleDenominator: 100000000,
+ symbolizer: {
+ pointRadius: 13,
+ fontSize: "15px"
+ }
+ })
+ ]
+});
+
+// Create a vector layer and give it your style map.
+var points = new OpenLayers.Layer.Vector("Points", {
+ styleMap: new OpenLayers.StyleMap(style)
+});
+points.addFeatures(features);
+
+var map = new OpenLayers.Map({
+ div: "map",
+ layers: [
+ new OpenLayers.Layer.WMS(
+ "OpenLayers WMS",
+ "http://vmap0.tiles.osgeo.org/wms/vmap0",
+ {layers: "basic"}
+ ),
+ points
+ ],
+ center: new OpenLayers.LonLat(0, 0),
+ zoom: 1
+});
+