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Viewing changes to views/gis/ol_start_vars.js

  • Committer: Shikhar Kohli
  • Date: 2010-08-11 18:40:09 UTC
  • mfrom: (802.1.156 eden)
  • Revision ID: shikharkohli@gmail.com-20100811184009-yy8zag5dowlam0ip
Merge trunk and update (a bit) of JS

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views/gis/ol_start_vars.js
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// make map available for easy debugging
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var map;
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var mapPanel, toolbar;
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//var treeModel;
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//var features = new Array();
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var featuresLayer, currentFeature;
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//var pointControl, lineControl, polygonControl;
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//var selectControl, dragControl
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var popupControl;
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var allLayers = new Array();
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OpenLayers.ImgPath = '/{{=request.application}}/static/img/gis/openlayers/';
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// avoid pink tiles
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OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3;
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OpenLayers.Util.onImageLoadErrorColor = "transparent";
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// Set Proxy Host
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OpenLayers.ProxyHost = '{{=URL(r=request, c='gis', f='proxy?url=')}}';
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// See http://crschmidt.net/~crschmidt/spherical_mercator.html#reprojecting-points
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var proj4326 = new OpenLayers.Projection('EPSG:4326');
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var projection_current = new OpenLayers.Projection('EPSG:{{=projection}}');
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{{if lat and lon:}}
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  // Provided by URL (Bookmark) or from feature (display_feature()) or from config (map_viewing_client())
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  var lat = {{=lat}};
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  var lon = {{=lon}};
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  var center = new OpenLayers.LonLat(lon, lat);
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  center.transform(proj4326, projection_current);
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{{else:}}
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  // Calculate from Bounds (display_features())
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  var bottom_left = new OpenLayers.LonLat({{=lon_min}}, {{=lat_min}});
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  bottom_left.transform(proj4326, projection_current);
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  var left = bottom_left.lon;
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  var bottom = bottom_left.lat;
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  top_right = new OpenLayers.LonLat({{=lon_max}}, {{=lat_max}});
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  top_right.transform(proj4326, projection_current);
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  var right = top_right.lon;
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  var top = top_right.lat;
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  var bounds = OpenLayers.Bounds.fromArray([left, bottom, right, top]);
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  var center = bounds.getCenterLonLat();
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{{pass}}
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// Map Options
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var options = {
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    displayProjection: proj4326,
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    projection: projection_current,
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    units: "{{=units}}",
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    maxResolution: {{=maxResolution}},
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    maxExtent: new OpenLayers.Bounds({{=maxExtent}}),
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    numZoomLevels: {{=numZoomLevels}}
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};