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Add a scale control to the map. Closes #51.

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This commit is contained in:
Tom Hughes 2008-04-16 08:04:44 +00:00
parent 4e05d2af72
commit 2b35dadd5f
1 changed files with 10 additions and 8 deletions
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18
public/javascripts/map.js
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@ -5,19 +5,21 @@ var popup;
OpenLayers._getScriptLocation = function () { OpenLayers._getScriptLocation = function () {
return "/openlayers/"; return "/openlayers/";
} }
function createMap(divName) { function createMap(divName) {
map = new OpenLayers.Map(divName, { map = new OpenLayers.Map(divName, {
controls: [ controls: [
new OpenLayers.Control.ArgParser(), new OpenLayers.Control.ArgParser(),
new OpenLayers.Control.Attribution(), new OpenLayers.Control.Attribution(),
new OpenLayers.Control.LayerSwitcher(), new OpenLayers.Control.LayerSwitcher(),
new OpenLayers.Control.Navigation(), new OpenLayers.Control.Navigation(),
new OpenLayers.Control.PanZoomBar() new OpenLayers.Control.PanZoomBar(),
] new OpenLayers.Control.ScaleLine()
],
units: "m"
}); });
var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
displayOutsideMaxExtent: true, displayOutsideMaxExtent: true,
wrapDateLine: true wrapDateLine: true
}); });
@ -29,14 +31,14 @@ function createMap(divName) {
}); });
map.addLayer(osmarender); map.addLayer(osmarender);
var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", {
displayOutsideMaxExtent: true, displayOutsideMaxExtent: true,
wrapDateLine: true wrapDateLine: true
}); });
map.addLayer(maplint); map.addLayer(maplint);
var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
markers = new OpenLayers.Layer.Markers("Markers", { markers = new OpenLayers.Layer.Markers("Markers", {
displayInLayerSwitcher: false, displayInLayerSwitcher: false,
numZoomLevels: numZoomLevels, numZoomLevels: numZoomLevels,
maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),