hi, 

I've created format extension to support oracle Georaster data. The
extension working fine. Now the  problem is, I didnt get proper output when
I tried to view the Georaster layer(topp:georaster) with topp:states layer
at the same time and noticed that states ploygons aer gone and onely the
labels remain.

http://localhost:8080/geoserver/wms?service=WMS&version=1.1.0&request=GetMap&layers=topp:states,topp:STORMSURGE_CGR&styles=&bbox=-124.73142200000001,24.955967,-66.969849,49.371735&width=780&height=330&srs=EPSG:4326&format=application/openlayers

The I found the this implementation painting all “no value” cells white
instead of not painting them with any color. In the code I declared the
output transparent color like below
public static final DefaultParameterDescriptor OUTPUT_TRANSPARENT_COLOR =
             new DefaultParameterDescriptor("OutputTransparentColor",
Color.class, null, null);

and I declared reading parameter like below
readParameters = new ParameterGroup(new
DefaultParameterDescriptorGroup(mInfo,
         new GeneralParameterDescriptor[] {
READ_GRIDGEOMETRY2D,OUTPUT_TRANSPARENT_COLOR }));

I need help from anybody what I have to do to solve my probelm. I want my
georaster layer should be transparent? ( I knew changing the opacity value
in Geoserver can solve the probelm but I want to do programatically).

regards
baskar
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