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 traceIcon;
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22 | var fromProjection;
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23 | var toProjection;
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24 | var dotSize;
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25 | var zoom;
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26 |
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27 | function initialize(lat, lon, mapWinSize) {
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28 | dotSize = mapWinSize;
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29 | if (dotSize > 10) dotSize = 10;
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30 |
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31 | map = new OpenLayers.Map("basicMap",
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32 | {controls:[
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33 | new OpenLayers.Control.Navigation(),
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34 | new OpenLayers.Control.PanZoomBar()]});
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35 | fromProjection = new OpenLayers.Projection("EPSG:4326"); // WGS 1984
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36 | toProjection = new OpenLayers.Projection("EPSG:900913"); // Spherical Mercator
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37 | zoom = 0;
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38 |
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39 | var mapnik = new OpenLayers.Layer.OSM();
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40 | var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
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41 |
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42 | map.addLayer(mapnik);
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43 |
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44 | var size = new OpenLayers.Size(40,40);
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45 | var offset = new OpenLayers.Pixel(-size.w/2, -size.h/2);
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46 | icon = new OpenLayers.Icon("qrc:///map/crosshair.png", size, offset);
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47 |
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48 | var sizeT = new OpenLayers.Size(dotSize,dotSize);
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49 | var offsetT = new OpenLayers.Pixel(-sizeT.w/2, -13);
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50 | traceIcon = new OpenLayers.Icon("qrc:///map/reddot.png", sizeT, offsetT);
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51 |
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52 | markers = new OpenLayers.Layer.Markers("Markers");
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53 | marker = new OpenLayers.Marker(position, icon);
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54 | markers.addMarker(marker);
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55 |
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56 | map.addLayer(markers);
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57 |
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58 | map.setCenter(position, 3);
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59 | }
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60 |
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61 | function gotoLocation(lat, lon) {
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62 | var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
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63 | if (zoom == 0) {
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64 | zoom = 15;
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65 | map.setCenter(position, zoom);
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66 | }
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67 | else {
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68 | map.setCenter(position);
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69 | }
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70 | markers.removeMarker(marker);
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71 | marker = new OpenLayers.Marker(position, icon);
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72 | markers.addMarker(marker);
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73 | if (dotSize > 0) {
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74 | var trace = new OpenLayers.Marker(position, traceIcon.clone());
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75 | markers.addMarker(trace);
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76 | }
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77 | }
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78 |
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79 | </script>
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80 |
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81 | </head>
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82 |
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83 | <body>
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84 | <div id="basicMap"></div>
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85 | </body>
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86 |
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87 | </html>
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