var map; var vectorLayer; var nodes_json = "nodes.json" OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control); function init() { map = new OpenLayers.Map ("map", { controls:[ new OpenLayers.Control.Navigation(), new OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.Attribution(), new OpenLayers.Control.ScaleLine(), new OpenLayers.Control.MousePosition()], maxResolution: 156543.0399, numZoomLevels: 19, units: 'm', projection: new OpenLayers.Projection("EPSG:900913"), displayProjection: new OpenLayers.Projection("EPSG:4326") } ); arrayOSM = ["http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.jpg", "http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.jpg", "http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.jpg", "http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.jpg"]; var baseOSM = new OpenLayers.Layer.OSM("MapQuest-OSM Tiles", arrayOSM, {opacity: 0.6}); map.addLayer(baseOSM); var center = new OpenLayers.LonLat(10.688, 53.866).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject()); var zoom = 13 map.setCenter(center, zoom); vectorLayer = new OpenLayers.Layer.Vector("Nodes"); map.addLayer(vectorLayer); selectControl = new OpenLayers.Control.SelectFeature(map.layers[1], {onSelect: onFeatureSelect, onUnselect: onFeatureUnselect}); map.addControl(selectControl); selectControl.activate(); var click = new OpenLayers.Control.Click(); map.addControl(click); click.activate(); load_json(vectorLayer, map) d3.selectAll("#gpsbutton").on("click", function() { function clickhandler(e) { var lonlat = map.getLonLatFromViewPortPx(e.xy).transform(map.getProjectionObject(), new OpenLayers.Projection("EPSG:4326")) alert(lonlat.lat + " " + lonlat.lon) map.events.unregister("click", map, clickhandler) } var clickevent = map.events.register("click", map, clickhandler) }) } function resizeMap() { if (map !== undefined) { map.updateSize() // Did someone say Chrome bug? map.removeLayer(vectorLayer) map.addLayer(vectorLayer) } } function onPopupClose(evt) { selectControl.unselect(selectedFeature); } function onFeatureSelect(feature) { selectedFeature = feature; popup = new OpenLayers.Popup.FramedCloud("chicken", feature.geometry.getBounds().getCenterLonLat(), new OpenLayers.Size(100,150), "
Name: "+feature.attributes.name+"
Description: "+feature.attributes.description+"
", null, true, onPopupClose); feature.popup = popup; map.addPopup(popup); } function onFeatureUnselect(feature) { map.removePopup(feature.popup); feature.popup.destroy(); feature.popup = null; } function kmlLoaded() { map.zoomToExtent(vectorLayer.getDataExtent()); } function load_json(layer, map) { d3.json(nodes_json, function(json) { // replace indices with real objects json.links.forEach( function(d) { if (typeof d.source == "number") d.source = json.nodes[d.source] if (typeof d.target == "number") d.target = json.nodes[d.target] }) json.nodes.filter( function(d) { return d.geo !== null }).forEach( function(d) { var lonlat = new OpenLayers.LonLat(d.geo[1], d.geo[0]) .transform( new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject() ); var img = d.flags.online?"router-up.png":"router-down.png" var feature = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat), {name: d.name, description: d.id}, {externalGraphic: img, graphicHeight: 32, graphicWidth: 32} ) layer.addFeatures([feature]) }) json.links.filter( function(d) { return d.source.geo !== null && d.target.geo !== null && d.type != "vpn" }).forEach( function(d) { var a = new OpenLayers.LonLat(d.source.geo[1], d.source.geo[0]) .transform( new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject() ); var b = new OpenLayers.LonLat(d.target.geo[1], d.target.geo[0]) .transform( new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject() ); var color; switch (d.type) { case "vpn": color = linkcolor['default'](Math.max.apply(null, d.quality.split(","))) break; default: color = linkcolor['wifi'](Math.max.apply(null, d.quality.split(","))) } var feature = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.LineString( [new OpenLayers.Geometry.Point(a.lon, a.lat), new OpenLayers.Geometry.Point(b.lon, b.lat), ]), {name: d.name, description: d.id}, { strokeColor: d3.rgb(color).brighter(1), strokeOpacity: 0.8, strokeWidth: 3 }) layer.addFeatures([feature]) }) }) }