1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>OpenLayers Styles Rotation Example</title> <style type="text/css"> #map { width: 800px; height: 475px; border: 1px solid black; } </style> <script src="../lib/OpenLayers.js" type="text/javascript"></script> <script type="text/javascript"> var map; var vectors; function init(){ map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} ); vectors = new OpenLayers.Layer.Vector( "Simple Geometry", { styleMap: new OpenLayers.StyleMap({ "default": { externalGraphic: "../img/marker-gold.png", //graphicWidth: 17, graphicHeight: 20, graphicYOffset: -19, rotation: "${angle}", fillOpacity: "${opacity}" }, "select": { cursor: "crosshair", externalGraphic: "../img/marker.png" } }) } ); map.addLayers([wms, vectors]); var features = []; var x = -111.04; var y = 45.68; for(var i = 0; i < 10; i++){ x += i * .5; y += i * .1; features.push( new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(x, y), {angle: (i*36)%360-180, opacity:i/10+.1} ) ); features.push( new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(x, y), {angle: (i*36)%360, opacity:i/10+.1} ) ); } map.setCenter(new OpenLayers.LonLat(x-10, y), 5); vectors.addFeatures(features); var selectControl = new OpenLayers.Control.SelectFeature( vectors, {hover: true}); map.addControl(selectControl); selectControl.activate(); }; </script> </head> <body onload="init()"> <h1 id="title">Rotation Style Example</h1> <p id="shortdesc">To style point features with rotation, use the rotation property of the symbolizer. The center of the rotation is the point of the image specified by graphicXOffset and graphicYOffset.</p> <div id="map"></div> <div id="docs"/> </body> </html> |