Re: [Gwt-openlayers-users] Using WMS

[Carsten Ø. M. <co...@na...>]

Hello

I got OSM working with:


         MapOptions mapOptions = new MapOptions();
         mapOptions.setNumZoomLevels(19);
         mapOptions.setProjection("EPSG:900913");
         mapOptions.setUnits("m");
         mapOptions.setDisplayProjection(new Projection("EPSG:4326"));
         mapOptions.setMaxExtent(new Bounds(-20037508.34, -20037508.34,
                 20037508.34, 20037508.34));
         mapOptions.setMaxResolution(156543.0399f);

         // let's create map widget and map objects
         MapWidget mapWidget = new MapWidget("350px", "350px", mapOptions);
         map = mapWidget.getMap();


         LonLat center = new LonLat(11, 55);
         center.transform("EPSG:4326", "EPSG:900913");

         TMSOptions o = new TMSOptions();
         o.getJSObject().setProperty("type", "png");
         // o.getJSObject().setProperty("displayOutsideMaxExtent", true);
         TMS osm = new TMS("Backdrop", 
"http://a.tile.openstreetmap.org/", o);
         osm.getJSObject().setProperty("getURL", createURL());


         map.addLayers(new Layer[] { osm});

         map.addControl(new LayerSwitcher());
         OverviewMapOptions overviewMapOptions = new OverviewMapOptions();
         //overviewMapOptions.setLayers(new Layer[] { wmsLayer });
         map.addControl(new OverviewMap(overviewMapOptions));
         map.addControl(new MousePosition());
         map.addControl(new Navigation());


     public static native JSObject createURL() /*-{
         return function (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 $wnd.OpenLayers.Util.getImagesLocation() + '404.png';
         } else {
         x = ((x % limit) + limit) % limit;
         return this.url + z + '/' + x + '/' + y + '.' + this.type;
         }
         }
     }-*/;

BR
Carsten


On 12/01/2009 10:54 AM, Philipp Verhoeven wrote:
> Greetings,
>
> I'm new in devoloping with openlayers-gwt and I tried to use a 
> different WMS than the one that is used in the gwt-openlayers-showcase
> (http://labs.metacarta.com/wms/vmap0...).
> And I also tried to change the position of Map Controls (like 
> NavToolBar, MousePosition, PanZoom, ...).
>
> So far, my effort was not very effective.
>
> My goal is to use an openstreetmap layer (if possible to display the 
> whole world, if not at least asia) and to have the Map Controls in 
> some sort of toolbar at the top.
>
> I would be thankful for anything, especially code snippets.
>
> Cheers,
> Philipp
>
>
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