[postgis-users] raster outputs

[Stephen Crawford]

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
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-- 
Stephen Crawford
Center for Environmental Informatics
The Pennsylvania State University
src176 at psu.edu
814.865.9905