[postgis-users] raster outputs

[Pierre Racine]

> 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