[postgis-users] raster outputs

[Pierre Racine]

> But how do I assign colors to each class, as in 0-20 = blue, 20-30 = purple, etc?

Use ST_Reclass() to reclass your values to three R,G,B bands.

http://postgis.refractions.net/documentation/manual-svn/RT_ST_Reclass.html

Pierre