[postgis-users] PostGIS Raster WMS GeoServer pixel jump problem

[Christoph Haselberger]

Hi, 



I could visualize PostGIS (2.1.3) raster data with the geoserver (2.6.1, image mosaic jdbc) as a wms in openlayers3. But I have a problem, the wms preview (ol2) of the geoserver and the ol3 visualisation have a blemish. The extent of the wms jumps into the direction of panning for displaying a full pixel. It is not possible to display a part of a pixel. It is a low resolution raster dataset with this parameters: 
EPSG:4326 
extent: -25, 33, 40.25, 72 
resolution: 0.25 

I use the same raster data stored in the geoserver directory and it works. 

example 
file-based 
http://csc-gis01.x-t.at/geoserver/General/wms?service=WMS&version=1.1.0&request=GetMap&layers=General:test_raster&styles=&bbox=-25.0,33.0,40.25,72.0&width=552&height=330&srs=EPSG:4326&format=application/openlayers 

Geoserver PostGIS Raster 
http://csc-gis01.x-t.at/geoserver/wp8/wms?service=WMS&version=1.1.0&request=GetMap&layers=wp8:pm25_current_mean&styles=&bbox=-25.0,33.0,40.25,72.0&width=552&height=330&srs=EPSG:4326&format=application/openlayers 

Thanks & Best regards 

Christoph 


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