[postgis-users] Basic postgis raster questions
Bryce L Nordgren
bnordgren at fs.fed.us
Wed Jun 15 12:38:08 PDT 2011
postgis-users-bounces at postgis.refractions.net wrote on 06/15/2011 07:02:46
PM:
> > 4. ST_Clip(raster, geometry)
If ST_Intersection(raster, geometry) returns a raster having the original
pixel values inside the geometry, and nodata outside the geometry, I'm not
sure I see the need for a separate "clip" function. Semantically and
mathematically, "clip" is "intersection": area common to both arguments.
Bryce
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