Thanks for getting back to me. I want to do something like #3, but I just don't understand the work flow. I have raw data as a one band raster in postGIS, and the (seemingly) simple thing i would like to do is output the entire table as a jpg or png with the cells classified by color. I see references to "color tables" and "palettes". I can't seem to figure out where I can define "if cell val < 0.5, color = 0, 0, 255" etc.

Thanks,
Steve

On 12/20/2011 6:13 PM, Paragon Corporation wrote:
3) You can use gdal_translate (compiled with PostgreSQL support) to output a
postgis raster query.

--
Stephen Crawford
Center for Environmental Informatics
The Pennsylvania State University



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