[prev in list] [next in list] [prev in thread] [next in thread] 

List:       postgis-users
Subject:    Re: [postgis-users] raster outputs
From:       Pierre Racine <Pierre.Racine () sbf ! ulaval ! ca>
Date:       2011-07-21 17:56:34
Message-ID: 87A96661E65C5541AB4D20721C2DD7F8CF9C01B7F5 () EXCH-MBX-A ! ulaval ! ca
[Download RAW message or body]

> 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


_______________________________________________
postgis-users mailing list
postgis-users@postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
[prev in list] [next in list] [prev in thread] [next in thread]