But how do I assign colors to each class, as in 0-20 = blue, 20-30 =
purple, etc?
Thanks,
Steve
On 7/21/2011 1:26 PM, Pierre Racine wrote:
I'm using postGIS raster to store daily weather data and it's working
wonderfully
for the task at hand, which is to answer queries such as "get me the max temp
for the last 12 days at point X." But next I would like to be able to output a
classified map of max temp (and other weather variables) as a PNG. Could
someone point the way for me?
Once/if you have a raster representing your data you can use:
http://postgis.refractions.net/documentation/manual-svn/RT_ST_AsPNG.html
_______________________________________________
postgis-users mailing list
[email protected]
http://postgis.refractions.net/mailman/listinfo/postgis-users
--
Stephen Crawford
Center for Environmental Informatics
The Pennsylvania State University
[email protected]
814.865.9905
_______________________________________________
postgis-users mailing list
[email protected]
http://postgis.refractions.net/mailman/listinfo/postgis-users
