c0326c66bd
git-svn-id: http://svn.openlayers.org/trunk/openlayers@12167 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
// Create 50 random features, and give them a "type" attribute that
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// will be used for the label text.
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var features = new Array(50);
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for (var i=0; i<features.length; i++) {
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features[i] = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Point(
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(360 * Math.random()) - 180, (180 * Math.random()) - 90
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), {
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type: 5 + parseInt(5 * Math.random())
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}
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);
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}
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/**
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* Create a style instance that is a collection of rules with symbolizers.
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* Use a default symbolizer to extend symoblizers for all rules.
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*/
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var style = new OpenLayers.Style({
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fillColor: "#ffcc66",
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strokeColor: "#ff9933",
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strokeWidth: 2,
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label: "${type}",
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fontColor: "#333333",
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fontFamily: "sans-serif",
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fontWeight: "bold"
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}, {
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rules: [
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new OpenLayers.Rule({
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minScaleDenominator: 200000000,
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symbolizer: {
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pointRadius: 7,
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fontSize: "9px"
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}
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}),
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new OpenLayers.Rule({
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maxScaleDenominator: 200000000,
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minScaleDenominator: 100000000,
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symbolizer: {
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pointRadius: 10,
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fontSize: "12px"
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}
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}),
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new OpenLayers.Rule({
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maxScaleDenominator: 100000000,
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symbolizer: {
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pointRadius: 13,
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fontSize: "15px"
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}
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})
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]
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});
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// Create a vector layer and give it your style map.
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var points = new OpenLayers.Layer.Vector("Points", {
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styleMap: new OpenLayers.StyleMap(style)
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});
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points.addFeatures(features);
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var map = new OpenLayers.Map({
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div: "map",
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layers: [
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new OpenLayers.Layer.WMS(
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"OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0",
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{layers: "basic"}
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),
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points
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],
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center: new OpenLayers.LonLat(0, 0),
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zoom: 1
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});
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