On Tue, Sep 23, 2014 at 7:52 PM, Paulo van Breugel <[email protected]> wrote: > I just had a case in which I created a new point layer by selecting a subset > of points with v.select. I subsequently added a column and used v.what.rast > to upload raster values for the points. > > The point layer has 2 million points and the v.what.rast took a very long > time to update the vector attributes. > > As it turns out, this is because the attribute table is without primary key. > After adding the primary key the v.what.rast took only a minute or so. > So the question is, would it be an idea to have the v.select create an > primary key for the cat column automatically?
Good catch. Can you compile yourself? I have prepared a patch for v.select but would like to see it tested before cluttering the SVN :-) Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
