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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 | <html> <head> <title>OpenLayers WMS Feature Info Example (GeoServer)</title> <script src="../lib/OpenLayers.js"></script> <link rel="stylesheet" href="../theme/default/style.css" type="text/css" /> <link rel="stylesheet" href="style.css" type="text/css" /> <style type="text/css"> ul, li { padding-left: 0px; margin-left: 0px; list-style: none; } #info { position: absolute; top: 6em; left: 550px; } #info table td { border:1px solid #ddd; border-collapse: collapse; margin: 0; padding: 0; font-size: 90%; padding: .2em .1em; background:#fff; } #info table th{ padding:.2em .2em; text-transform: uppercase; font-weight: bold; background: #eee; } tr.odd td { background:#eee; } table.featureInfo caption { text-align:left; font-size:100%; font-weight:bold; text-transform:uppercase; padding:.2em .2em; } </style> <script defer="defer" type="text/javascript"> OpenLayers.ProxyHost = "proxy.cgi?url="; var map, infocontrols, water, highlightlayer; function load() { map = new OpenLayers.Map('map', { maxExtent: new OpenLayers.Bounds(143.834,-43.648,148.479,-39.573) }); var political = new OpenLayers.Layer.WMS("State Boundaries", "http://demo.opengeo.org/geoserver/wms", {'layers': 'topp:tasmania_state_boundaries', transparent: true, format: 'image/gif'}, {isBaseLayer: true} ); var roads = new OpenLayers.Layer.WMS("Roads", "http://demo.opengeo.org/geoserver/wms", {'layers': 'topp:tasmania_roads', transparent: true, format: 'image/gif'}, {isBaseLayer: false} ); var cities = new OpenLayers.Layer.WMS("Cities", "http://demo.opengeo.org/geoserver/wms", {'layers': 'topp:tasmania_cities', transparent: true, format: 'image/gif'}, {isBaseLayer: false} ); water = new OpenLayers.Layer.WMS("Bodies of Water", "http://demo.opengeo.org/geoserver/wms", {'layers': 'topp:tasmania_water_bodies', transparent: true, format: 'image/gif'}, {isBaseLayer: false} ); highlightLayer = new OpenLayers.Layer.Vector("Highlighted Features", { displayInLayerSwitcher: false, isBaseLayer: false } ); infoControls = { click: new OpenLayers.Control.WMSGetFeatureInfo({ url: 'http://demo.opengeo.org/geoserver/wms', title: 'Identify features by clicking', layers: [water], queryVisible: true }), hover: new OpenLayers.Control.WMSGetFeatureInfo({ url: 'http://demo.opengeo.org/geoserver/wms', title: 'Identify features by clicking', layers: [water], hover: true, // defining a custom format options here formatOptions: { typeName: 'water_bodies', featureNS: 'http://www.openplans.org/topp' }, queryVisible: true }) } map.addLayers([political, roads, cities, water, highlightLayer]); for (var i in infoControls) { infoControls[i].events.register("getfeatureinfo", this, showInfo); map.addControl(infoControls[i]); } map.addControl(new OpenLayers.Control.LayerSwitcher()); infoControls.click.activate(); map.zoomToMaxExtent(); } function showInfo(evt) { if (evt.features && evt.features.length) { highlightLayer.destroyFeatures(); highlightLayer.addFeatures(evt.features); highlightLayer.redraw(); } else { $('responseText').innerHTML = evt.text; } } function toggleControl(element) { for (var key in infoControls) { var control = infoControls[key]; if (element.value == key && element.checked) { control.activate(); } else { control.deactivate(); } } } function toggleFormat(element) { for (var key in infoControls) { var control = infoControls[key]; control.infoFormat = element.value; } } function toggleLayers(element) { for (var key in infoControls) { var control = infoControls[key]; if (element.value == 'Specified') { control.layers = [water]; } else { control.layers = null; } } } // function toggle(key </script> </head> <body onload="load()"> <h1 id="title">Feature Info Example</h1> <div id="tags"></div> <p id="shortdesc"> Demonstrates the WMSGetFeatureInfo control for fetching information about a position from WMS (via GetFeatureInfo request). </p> <div id="info"> <h1>Tasmania</h1> <p>Click on the map to get feature info.</p> <div id="responseText"> </div> </div> <div id="map" class="smallmap"></div> <div id="docs"> </div> <ul id="control"> <li> <input type="radio" name="controlType" value="click" id="click" onclick="toggleControl(this);" checked="checked" /> <label for="click">Click</label> </li> <li> <input type="radio" name="controlType" value="hover" id="hover" onclick="toggleControl(this);" /> <label for="hover">Hover</label> </li> </ul> <ul id="format"> <li> <input type="radio" name="formatType" value="text/html" id="html" onclick="toggleFormat(this);" checked="checked" /> <label for="html">Show HTML Description</label> </li> <li> <input type="radio" name="formatType" value="application/vnd.ogc.gml" id="highlight" onclick="toggleFormat(this);" /> <label for="highlight">Highlight Feature on Map</label> </li> </ul> <ul id="layers"> <li> <input type="radio" name="layerSelection" value="Specified" id="Specified" onclick="toggleLayers(this);" checked="checked" /> <label for="Specified">Get water body info</label> </li> <li> <input type="radio" name="layerSelection" value="Auto" id="Auto" onclick="toggleLayers(this);" /> <label for="Auto">Get info for visible layers</label> </li> </ul> </body> </html> |