[Tilecache] White tiles with tilecache

2StepForward kwegezeder at web.de
Thu Dec 13 10:43:59 EST 2007




2StepForward wrote:
> 
> Hello all together,
> 
> first i use Openlayers, GeoServer and tilecache. Most of all run very fin,
> but i have one problem.
> Up to a specific zoom level, tilecache will produce only white tiles if I
> run tilecache_seed and I don't know why.
> 
> Tilecache version is 1.9 and i run it as cgi.
> 
> Configs are:
> 
> OL:
> 
> map = new OpenLayers.Map("map", {units: 'meters', projection:
> 'EPSG:23032', numZoomLevels:'5'});
> 
> var wmsbase1 = new OpenLayers.Layer.WMS( "Deutschland_1M", 
> 			"http://myserver/..../cgi-bin/tilecache/tilecache.cgi?", {layers:
> 'D1M', format: 'image/png', isBaseLayer: 'true', reproject: 'false'},
> 			{ maxExtent: new OpenLayers.Bounds(249564, 5194893, 962611, 6125514),
> maxResolution: 1018});
> 
> map.addLayer(wmsbase1);
> 
> tilecache:
> 
> [D1M]
> type=WMSLayer
> url=http://localhost/geoserver/wms?
> layers=Deutschland_1Mio.0
> extension=png
> bbox=249564, 5194893, 962611, 6125514
> srs=EPSG:23032
> levels=5
> maxResolution=1018
> 
> 
> and the viewbox of OL:
> 
> width and height are: 700 px;
> 
> 
> The first three zoom levels, from 0 to 2 will produced correct, but up to
> zoom level 3 I will get only white tiles, and I don't know why.
> 
> Has anyone a idea where is a config problem or enything else.
> 
> Thank's a lot
> 

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