[GRASS-user] v.to.db/v.what rast on large vector sets
patrick_gis at gmx.net
Mon Aug 10 00:51:15 PDT 2015
First off all- sorry for "spamming" this user-list recently with
questions. I don't know any grass-users that I could ask. So this list
is the only feedback I can get for support and I am happy it works so
well. So my Thanks to all of you, for the recommendations given!
Now my issue:
I have a dataset with 30Mio Vectorpoints that need to get attributes
added: the coordinates and the values of approx.60 rasters (resolution
of 25m across Switzerland). While the processing of the raster-data was
fast, this final join is very slow. Only adding x and y -coordinate is
at 14% after 15h of processing; v.to.db currently still using 100%CPU.
Is this expected behavior or an error of my system (Grass70 with SQLITE,
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