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I have a 16-bit raster (MrSID) that I want to display in Geoserver 2.0.2 but it is displaying as all black. If I create a new style similar to the default raster.sld but with graychannel element the image displays correctly. My question: Is there a way to modify the default raster.sld so that it handles BOTH RGB and grayscale images (8 and 16-bit)? Thanks

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The geoserver raster experts hang out on geoserver-users@lists.sourceforge.net. You will get a better response to this question there. –  jdeolive Mar 12 '11 at 4:52

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