[OpenLayers-Users] Openlayers and Mapnik loading problem

Fri Nov 2 08:53:42 PDT 2012

Dnia piątek, 2 listopada 2012 o 16:31:05 Arnd Wippermann napisał(a):
> it seems, that the url is hardcoded in
> OpenLayers.Layer.OSM.Mapnik.initialize
> and not changeable by the constructor.
> 
> you have to overwrite OpenLayers.Layer.OSM.Mapnik to provide your url.
> 
> Arnd

I use something like this:

  var mapnik_layer = new OpenLayers.Layer.OSM(
      "Mapnik OpenStreetMap servers",
      [
        "http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
        "http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
        "http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
      ],
      {
        numZoomLevels: 19,
        buffer: 0,
        transitionEffect: "resize"
      });

I works with any URLs list.

> 
> 
> 
>   _____
> 
> Von: openlayers-users-bounces at lists.osgeo.org
> [mailto:openlayers-users-bounces at lists.osgeo.org] Im Auftrag von robertico
> Gesendet: Freitag, 2. November 2012 14:05
> An: openlayers-users at lists.osgeo.org
> Betreff: [OpenLayers-Users] Openlayers and Mapnik loading problem
> 
> 
> I'm running my own Openstreetmap server with Mapnik installed.
> I tried a simple example but the tiles are not loaded.
> The online version works (without the Mapnik part and the url's)
> I can load a tile from my server e.g.
> http://xxx.xxx.xxx.xxx/osm_tiles/18/137213/91823.png
> 
> Please provide me a working sample. (I'm stuck for days)
> 
> My code;
> 
> <!DOCTYPE HTML>
> 
> <html>
> 
> <head>
> 
> <title>OpenLayers Simplest Example</title>
> 
> </head>
> 
> <body>
> 
> <div id="Map" style="height:600px"></div>
> 
> <script src="OpenLayers.js"></script>
> 
> <script>
> 
>     var lat            = 47.35387;
> 
>     var lon            = 8.43609;
> 
>     var zoom           = 18;
> 
> 
> 
>     var fromProjection = new OpenLayers.Projection("EPSG:4326");   //
> Transform from WGS 1984
> 
>     var toProjection   = new OpenLayers.Projection("EPSG:900913"); // to
> Spherical Mercator Projection
> 
>     var position       = new OpenLayers.LonLat(lon, lat).transform(
> fromProjection, toProjection);
> 
> 
> 
> 	var url =   ["http://xxx.xxx.xxx.xxx/osm_tiles/${z}/${x}/${y}.png",
> 
>    "http://xxx.xxx.xxx.xxx/osm_tiles/${z}/${x}/${y}.png",
> 
>    "http://xxx.xxx.xxx.xxx/osm_tiles/${z}/${x}/${y}.png"];
> 
> 
> 
>     map = new OpenLayers.Map("Map");
> 
>     var mapnik         = new OpenLayers.Layer.OSM.Mapnik("Mapnik", url);
> 
>     map.addLayer(mapnik);
> 
> 
> 
>     var markers = new OpenLayers.Layer.Markers( "Markers" );
> 
>     map.addLayer(markers);
> 
>     markers.addMarker(new OpenLayers.Marker(position));
> 
> 
> 
>     map.setCenter(position, zoom);
> 
> </script>
> 
> </body>
> 
> </html>
> 
>   _____
> 
> View this message in context: Openlayers
> <http://osgeo-org.1560.n6.nabble.com/Openlayers-and-Mapnik-loading-problem-
> t p5013551.html> and Mapnik loading problem
> Sent from the OpenLayers
> <http://osgeo-org.1560.n6.nabble.com/OpenLayers-Users-f3910695.html> Users
> mailing list archive at Nabble.com.

-- 
Pozdrawiam,
Dariusz Bączkowski

e-mail: dariusz.baczkowski at esyscoder.pl
tel.: +48 609 123 954

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