Wow, I don't know how I missed that. I searched a lot and all I came up with were ways to import PostGIS data into GRASS.
Aren On Fri, Feb 25, 2011 at 1:31 AM, Hamish <[email protected]> wrote: > Aren wrote: > > Wait, so GRASS can read directly from PostGIS tables? I thought > > you had to import all the data into GRASS first? > > check out the new v.external module. > > http://grass.osgeo.org/grass64/manuals/html64_user/v.external.html > http://grass.osgeo.org/grass64/manuals/html64_user/vectorintro.html > > and the v.external.out module in GRASS 7-dev. > > note this is about the geometry data, the attribute data could > already be stored in a plain postgres DB since GRASS 5.7. > > > also there is a new r.external module, combine that with GDAL's > `gdalbuildvrt` Virtual raster maps (eg *.tif) and cut out a whole > slew of middle-steps and disk writes. > > > don't expect these virtual maps to work as well as native maps > of course, but they shouldn't be buggy either. > > > Hamish > > > > >
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