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Diffstat (limited to 'misc/openlayers/examples/wmts-getfeatureinfo.js')
-rw-r--r-- | misc/openlayers/examples/wmts-getfeatureinfo.js | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/misc/openlayers/examples/wmts-getfeatureinfo.js b/misc/openlayers/examples/wmts-getfeatureinfo.js new file mode 100644 index 0000000..0b8cd8a --- /dev/null +++ b/misc/openlayers/examples/wmts-getfeatureinfo.js @@ -0,0 +1,94 @@ +OpenLayers.ProxyHost = "proxy.cgi?url="; +var map, control, popups = {}; + +function init() { + + map = new OpenLayers.Map({ + div: "map", + projection: "EPSG:900913" + }); + + var osm = new OpenLayers.Layer.OSM(); + + // If tile matrix identifiers differ from zoom levels (0, 1, 2, ...) + // then they must be explicitly provided. + var matrixIds = new Array(26); + for (var i=0; i<26; ++i) { + matrixIds[i] = "EPSG:900913:" + i; + } + + var zoning = new OpenLayers.Layer.WMTS({ + name: "zoning", + url: "http://v2.suite.opengeo.org/geoserver/gwc/service/wmts/", + layer: "medford:zoning", + matrixSet: "EPSG:900913", + matrixIds: matrixIds, + format: "image/png", + style: "_null", + opacity: 0.7, + isBaseLayer: false + }); + var buildings = new OpenLayers.Layer.WMTS({ + name: "building", + url: "http://v2.suite.opengeo.org/geoserver/gwc/service/wmts/", + layer: "medford:buildings", + matrixSet: "EPSG:900913", + matrixIds: matrixIds, + format: "image/png", + style: "_null", + isBaseLayer: false + }); + + map.addLayers([osm, zoning, buildings]); + + // create WMTS GetFeatureInfo control + control = new OpenLayers.Control.WMTSGetFeatureInfo({ + drillDown: true, + queryVisible: true, + eventListeners: { + getfeatureinfo: function(evt) { + var text; + var match = evt.text.match(/<body[^>]*>([\s\S]*)<\/body>/); + if (match && !match[1].match(/^\s*$/)) { + text = match[1]; + } else { + text = "No " + evt.layer.name + " features in that area.<br>"; + } + var popupId = evt.xy.x + "," + evt.xy.y; + var popup = popups[popupId]; + if (!popup || !popup.map) { + popup = new OpenLayers.Popup.FramedCloud( + popupId, + map.getLonLatFromPixel(evt.xy), + null, + " ", + null, + true, + function(evt) { + delete popups[this.id]; + this.hide(); + OpenLayers.Event.stop(evt); + } + ); + popups[popupId] = popup; + map.addPopup(popup, true); + } + popup.setContentHTML(popup.contentHTML + text); + popup.show(); + } + } + }); + map.addControl(control); + control.activate(); + + map.addControl(new OpenLayers.Control.LayerSwitcher()); + map.setCenter(new OpenLayers.LonLat(-13678519, 5212803), 15); + + var drill = document.getElementById("drill"); + drill.checked = true; + drill.onchange = function() { + control.drillDown = drill.checked; + }; +} + +OpenLayers.Popup.FramedCloud.prototype.maxSize = new OpenLayers.Size(350, 200); |