| 1 | <!DOCTYPE html> |
|---|
| 2 | <html> |
|---|
| 3 | <head> |
|---|
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
|---|
| 5 | <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> |
|---|
| 6 | <meta name="apple-mobile-web-app-capable" content="yes"> |
|---|
| 7 | <title>OpenLayers Styles Rotation Example</title> |
|---|
| 8 | <link rel="stylesheet" href="../theme/default/style.css" type="text/css"> |
|---|
| 9 | <link rel="stylesheet" href="style.css" type="text/css"> |
|---|
| 10 | <script src="../lib/OpenLayers.js" type="text/javascript"></script> |
|---|
| 11 | <script type="text/javascript"> |
|---|
| 12 | |
|---|
| 13 | var map; |
|---|
| 14 | var vectors; |
|---|
| 15 | |
|---|
| 16 | function init(){ |
|---|
| 17 | map = new OpenLayers.Map('map'); |
|---|
| 18 | var wms = new OpenLayers.Layer.WMS( |
|---|
| 19 | "OpenLayers WMS", |
|---|
| 20 | "http://vmap0.tiles.osgeo.org/wms/vmap0", |
|---|
| 21 | {layers: 'basic'} |
|---|
| 22 | ); |
|---|
| 23 | |
|---|
| 24 | vectors = new OpenLayers.Layer.Vector( |
|---|
| 25 | "Simple Geometry", |
|---|
| 26 | { |
|---|
| 27 | styleMap: new OpenLayers.StyleMap({ |
|---|
| 28 | "default": { |
|---|
| 29 | externalGraphic: "../img/marker-gold.png", |
|---|
| 30 | //graphicWidth: 17, |
|---|
| 31 | graphicHeight: 20, |
|---|
| 32 | graphicYOffset: -19, |
|---|
| 33 | rotation: "${angle}", |
|---|
| 34 | fillOpacity: "${opacity}" |
|---|
| 35 | }, |
|---|
| 36 | "select": { |
|---|
| 37 | cursor: "crosshair", |
|---|
| 38 | externalGraphic: "../img/marker.png" |
|---|
| 39 | } |
|---|
| 40 | }) |
|---|
| 41 | } |
|---|
| 42 | ); |
|---|
| 43 | |
|---|
| 44 | map.addLayers([wms, vectors]); |
|---|
| 45 | |
|---|
| 46 | var features = []; |
|---|
| 47 | var x = -111.04; |
|---|
| 48 | var y = 45.68; |
|---|
| 49 | for(var i = 0; i < 10; i++){ |
|---|
| 50 | x += i * .5; |
|---|
| 51 | y += i * .1; |
|---|
| 52 | features.push( |
|---|
| 53 | new OpenLayers.Feature.Vector( |
|---|
| 54 | new OpenLayers.Geometry.Point(x, y), {angle: (i*36)%360-180, opacity:i/10+.1} |
|---|
| 55 | ) |
|---|
| 56 | ); |
|---|
| 57 | features.push( |
|---|
| 58 | new OpenLayers.Feature.Vector( |
|---|
| 59 | new OpenLayers.Geometry.Point(x, y), {angle: (i*36)%360, opacity:i/10+.1} |
|---|
| 60 | ) |
|---|
| 61 | ); |
|---|
| 62 | } |
|---|
| 63 | |
|---|
| 64 | map.setCenter(new OpenLayers.LonLat(x-10, y), 5); |
|---|
| 65 | vectors.addFeatures(features); |
|---|
| 66 | |
|---|
| 67 | var selectControl = new OpenLayers.Control.SelectFeature( |
|---|
| 68 | vectors, {hover: true}); |
|---|
| 69 | map.addControl(selectControl); |
|---|
| 70 | selectControl.activate(); |
|---|
| 71 | |
|---|
| 72 | }; |
|---|
| 73 | |
|---|
| 74 | </script> |
|---|
| 75 | </head> |
|---|
| 76 | <body onload="init()"> |
|---|
| 77 | <h1 id="title">Rotation Style Example</h1> |
|---|
| 78 | <div id="tags"> |
|---|
| 79 | vector, feature, stylemap, rotation, cleanup, light |
|---|
| 80 | </div> |
|---|
| 81 | <p id="shortdesc"> |
|---|
| 82 | Use the rotation property of a point symbolizer to rotate |
|---|
| 83 | point symbolizers. |
|---|
| 84 | </p> |
|---|
| 85 | <div id="map" class="smallmap"></div> |
|---|
| 86 | <div id="docs"> |
|---|
| 87 | To style point features with rotation, use the rotation property of the |
|---|
| 88 | symbolizer. The center of the rotation is the point of the image |
|---|
| 89 | specified by graphicXOffset and graphicYOffset. The rotation is |
|---|
| 90 | specified in degrees clockwise. |
|---|
| 91 | </div> |
|---|
| 92 | </body> |
|---|
| 93 | </html> |
|---|
