Adman. I don't see anything wrong right off. Maybe you could say a bit more about why you think you need a custom bounding box for the map. Generally if you are using epsg 4326 as your map projection you would want the global extents to be the maxextent in OpenLayers.
Dane --- \o/ --- Sent from my phone On Nov 23, 2009, at 5:08 AM, adnan khan <[email protected]> wrote: > Hi All, > > I am trying to setup Mapnik + tilecache but can't see any tiles in > the browser when I set bbox parameters in both Tilecache.cfg and > Openlayers but when I don't specify the bbox everything works fine > and I can see actual map tiles. > > I was wondering if anyone can point out the problem in the code. I > think I have tried everything ( in my limited capability) and not > really understanding why would it not work. By the way all map > layers ( for mapnik styling) are sourced from a PostGIS database and > have different projections and transformed on the fly by Mapnik. > > OpenLayers code: > > <script type="text/javascript"> > <!-- > var map, layer; > > function init(){ > var map, layer; > > var options = { > numZoomLevels:20, > maxResolution: 360/512, > projection: "EPSG:4326", > //maxExtent: new OpenLayers.Bounds > (-2.0,50.0,2.0,54.0) > //not working when uncommented > }; > > map = new OpenLayers.Map( 'map', options); > layer = new OpenLayers.Layer.WMS( "Map24","tilecache.py?", > { > layers:'mapnik24', > format: 'image/png', > srs: 'EPSG:4326' > } ); > map.addLayer(layer); > map.addControl( new OpenLayers.Control.PanZoomBar()); > map.addControl( new OpenLayers.Control.MousePosition()); > map.addControl( new OpenLayers.Control.LayerSwitcher()); > map.addControl( new OpenLayers.Control.Permalink > ("permalink")); > > if (!map.getCenter()) map.zoomToMaxExtent(); > } > > > Tilecache.cfg: > > [mapnik24] > type=Mapnik > mapfile=/somedit/map24.xml > #bbox=-2.0,50.0,2.0,54.0 > levels=20 > srs=EPSG:4326 > projection=+proj=latlong +datum=WGS84 > > Thanks, > Adnan > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
