[Tilecache] White tiles with tilecache

2StepForward kwegezeder at web.de
Thu Dec 13 10:45:56 EST 2007


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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