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 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | <html xmlns="http://www.w3.org/1999/xhtml"> <head> <link rel="stylesheet" href="../theme/default/style.css" type="text/css" /> <link rel="stylesheet" href="style.css" type="text/css" /> <script src="../lib/Firebug/firebug.js"></script> <script src="../lib/OpenLayers.js"></script> <script type="text/javascript"> var map, sld, gmlLayers; var format = new OpenLayers.Format.SLD(); function init() { map = new OpenLayers.Map('map'); map.addControl(new OpenLayers.Control.LayerSwitcher()); OpenLayers.loadURL("tasmania/sld-tasmania.xml", null, null, complete); } function getDefaultStyle(sld, layerName) { var styles = sld.namedLayers[layerName].userStyles; var style; for(var i=0; i<styles.length; ++i) { style = styles[i]; if(style.isDefault) { break; } } return style; } function complete(req) { sld = format.read(req.responseXML || req.responseText); var hoverStyle = sld.namedLayers["WaterBodies"].userStyles[1]; hoverStyle.defaultStyle = OpenLayers.Util.extend( {}, OpenLayers.Feature.Vector.style["select"] ); gmlLayers = [ // use the sld UserStyle named "Default Styler" new OpenLayers.Layer.GML( "StateBoundaries", "tasmania/TasmaniaStateBoundaries.xml", { styleMap: new OpenLayers.StyleMap( getDefaultStyle(sld, "Land") ), isBaseLayer: true } ), new OpenLayers.Layer.GML( "Roads", "tasmania/TasmaniaRoads.xml", {styleMap: new OpenLayers.StyleMap(getDefaultStyle(sld, "Roads"))} ), new OpenLayers.Layer.GML( "WaterBodies", "tasmania/TasmaniaWaterBodies.xml", { styleMap: new OpenLayers.StyleMap({ "default": getDefaultStyle(sld, "WaterBodies"), "select": hoverStyle }) } ), new OpenLayers.Layer.GML( "Cities", "tasmania/TasmaniaCities.xml", {styleMap: new OpenLayers.StyleMap(getDefaultStyle(sld, "Cities"))} ) ]; map.addLayers(gmlLayers); map.zoomToExtent(new OpenLayers.Bounds(143,-39,150,-45)); var hover = new OpenLayers.Control.SelectFeature( gmlLayers[2], {hover: true} ); map.addControl(hover); hover.activate(); } // set a new style when the radio button changes function setStyle(index) { gmlLayers[2].styleMap.styles["default"] = sld.namedLayers["WaterBodies"].userStyles[index]; // change the style of the features of the WaterBodies layer gmlLayers[2].redraw(); } </script> </head> <body onload="init()"> <h1 id="title">Styled Layer Descriptor (SLD) Example</h1> <p id="shortdesc"> Parsing SLD and applying styles to a vector layer. </p> <div id="map" class="smallmap"></div> <p id="docs">This example uses a <a target="_blank" href="tasmania/sld-tasmania.xml">SLD file</a> to style the vector features. To construct layers that use styles from SLD, create a StyleMap for the layer that uses one of the userStyles in the namedLayers object of the return from format.read().</p> <p>Select a new style for the WaterBodies layer below:</p> <form> <input type="radio" name="style" onclick="setStyle(this.value)" checked="checked" value="0">Default Styler (zoom in to see more features)</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="3">Styler Test PropertyIsEqualTo</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="4">Styler Test WATER_TYPE</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="5">Styler Test PropertyIsGreaterThanOrEqualTo</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="6">Styler Test PropertyIsLessThanOrEqualTo</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="7">Styler Test PropertyIsGreaterThan</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="8">Styler Test PropertyIsLessThan</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="9">Styler Test PropertyIsLike</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="10">Styler Test PropertyIsBetween</input><br/> <input type="radio" name="style" onclick="setStyle(this.value)" value="11">Styler Test FeatureId</input><br/> </form> </body> </html> |