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 | <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>OpenLayers: Sundials on a Spherical Mercator Map</title> <script src='http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhR_wWLPFku8Ix9i2SXYRVK3e45q1BQUd_beF8dtzKET_EteAjPdGDwqpQ'></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"> #map { width: 100%; height: 80%; border: 1px solid black; } .olPopup p { margin:0px; font-size: .9em;} .olPopup h2 { font-size:1.2em; } </style> <script src="../lib/OpenLayers.js"></script> <script type="text/javascript"> var lon = 5; var lat = 40; var zoom = 5; var map, select; function init(){ var options = { projection: new OpenLayers.Projection("EPSG:900913"), displayProjection: new OpenLayers.Projection("EPSG:4326"), units: "m", maxResolution: 156543.0339, maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34) }; map = new OpenLayers.Map('map', options); var mapnik = new OpenLayers.Layer.TMS( "OpenStreetMap (Mapnik)", "http://tile.openstreetmap.org/", { type: 'png', getURL: osm_getTileURL, displayOutsideMaxExtent: true, attribution: '<a href="http://www.openstreetmap.org/">OpenStreetMap</a>' } ); var gmap = new OpenLayers.Layer.Google("Google", {sphericalMercator:true}); var sundials = new OpenLayers.Layer.Vector("KML", { projection: map.displayProjection, strategies: [new OpenLayers.Strategy.Fixed()], protocol: new OpenLayers.Protocol.HTTP({ url: "kml/sundials.kml", format: new OpenLayers.Format.KML({ extractStyles: true, extractAttributes: true }) }) }); map.addLayers([mapnik, gmap, sundials]); select = new OpenLayers.Control.SelectFeature(sundials); sundials.events.on({ "featureselected": onFeatureSelect, "featureunselected": onFeatureUnselect }); map.addControl(select); select.activate(); map.addControl(new OpenLayers.Control.LayerSwitcher()); map.zoomToExtent( new OpenLayers.Bounds( 68.774414, 11.381836, 123.662109, 34.628906 ).transform(map.displayProjection, map.projection) ); } function onPopupClose(evt) { select.unselectAll(); } function onFeatureSelect(event) { var feature = event.feature; var selectedFeature = feature; var popup = new OpenLayers.Popup.FramedCloud("chicken", feature.geometry.getBounds().getCenterLonLat(), new OpenLayers.Size(100,100), "<h2>"+feature.attributes.name + "</h2>" + feature.attributes.description, null, true, onPopupClose ); feature.popup = popup; map.addPopup(popup); } function onFeatureUnselect(event) { var feature = event.feature; if(feature.popup) { map.removePopup(feature.popup); feature.popup.destroy(); delete feature.popup; } } function osm_getTileURL(bounds) { var res = this.map.getResolution(); var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w)); var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h)); var z = this.map.getZoom(); var limit = Math.pow(2, z); if (y < 0 || y >= limit) { return OpenLayers.Util.getImagesLocation() + "404.png"; } else { x = ((x % limit) + limit) % limit; return this.url + z + "/" + x + "/" + y + "." + this.type; } } </script> </head> <body onload="init()"> <h1 id="title">OSM + Google Maps + KML Reprojection</h1> <div id="tags"></div> <p id="shortdesc"> Demonstrates loading and displaying a KML file on top of OpenStreetMap (OSM) and Google Maps data. Loads data from a KML file of sundials. </p> <div id="map" class="smallmap"></div> <div id="docs"></div> </body> </html> |