[postgis-users] Rasterize a vector

[Bborie Park]

On 05/29/2012 07:20 AM, Paolo Cavallini wrote:
> Il 29/05/2012 16:12, Pierre Racine ha scritto:
>> There are more parameters to ST_AsRaster to align the raster you produce. You can align on an existing raster or provide all the parameters (scalex, scaley, gridx, gridy) to align it.
>>
>> See http://postgis.refractions.net/documentation/manual-svn/RT_ST_AsRaster.html
> 
> yes, I have read it, but I think it is (should be) much easier to use an existing raster:
> ST_AsRaster(geometry geom, raster ref...
> thanks.

Read it again.  The very first variant listed on that page has the
ST_AsRaster(geom geometry, rast raster, ...)

-bborie

-- 
Bborie Park
Programmer
Center for Vectorborne Diseases
UC Davis
530-752-8380
bkpark at ucdavis.edu