| 1 | <!DOCTYPE HTML>
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| 2 | <html>
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| 3 |
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| 4 | <head>
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| 5 | <title>BNC OpenStreetMap View</title>
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| 6 | <style type="text/css">
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| 7 | html, body, #basicMap {
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| 8 | width: 100%;
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| 9 | height: 100%;
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| 10 | margin: 0;
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| 11 | }
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| 12 | </style>
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| 13 |
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| 14 | <script src="http://openlayers.org/api/OpenLayers.js" ></script>
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| 15 |
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| 16 | <script>
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| 17 | var map;
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| 18 | var markers;
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| 19 | var marker;
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| 20 | var icon;
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| 21 | var fromProjection;
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| 22 | var toProjection;
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| 23 | var useTrace;
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| 24 | var zoom;
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| 25 |
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| 26 | function initialize(lat, lon, trace) {
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| 27 | useTrace = trace;
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| 28 |
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| 29 | map = new OpenLayers.Map("basicMap",
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| 30 | {controls:[
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| 31 | new OpenLayers.Control.Navigation(),
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| 32 | new OpenLayers.Control.PanZoomBar()]});
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| 33 | fromProjection = new OpenLayers.Projection("EPSG:4326"); // WGS 1984
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| 34 | toProjection = new OpenLayers.Projection("EPSG:900913"); // Spherical Mercator
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| 35 | zoom = 0;
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| 36 |
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| 37 | var mapnik = new OpenLayers.Layer.OSM();
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| 38 | var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
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| 39 |
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| 40 | map.addLayer(mapnik);
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| 41 |
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| 42 | var size = new OpenLayers.Size(40,40);
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| 43 | var offset = new OpenLayers.Pixel(-size.w/2, -size.h/2);
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| 44 |
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| 45 | icon = new OpenLayers.Icon("qrc:///map/crosshair.png", size, offset);
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| 46 | markers = new OpenLayers.Layer.Markers("Markers");
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| 47 | marker = new OpenLayers.Marker(position, icon);
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| 48 | markers.addMarker(marker);
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| 49 |
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| 50 | map.addLayer(markers);
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| 51 |
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| 52 | map.setCenter(position, 3);
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| 53 | }
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| 54 |
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| 55 | function gotoLocation(lat, lon) {
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| 56 | var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
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| 57 | if (zoom == 0) {
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| 58 | zoom = 15;
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| 59 | map.setCenter(position, zoom);
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| 60 | }
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| 61 | else {
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| 62 | map.setCenter(position);
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| 63 | }
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| 64 | markers.removeMarker(marker);
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| 65 | marker = new OpenLayers.Marker(position, icon);
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| 66 | markers.addMarker(marker);
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| 67 | if (useTrace == 1) {
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| 68 | var trace = new OpenLayers.Marker(position);
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| 69 | markers.addMarker(trace);
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | </script>
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| 74 |
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| 75 | </head>
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| 76 |
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| 77 | <body>
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| 78 | <div id="basicMap"></div>
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| 79 | </body>
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| 80 |
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| 81 | </html>
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