[GRASS5] How to patch vector maps?

Markus Neteler neteler at itc.it
Fri Dec 14 13:38:41 EST 2001


at time I try to understand how to intersect vector maps
topologically correct. What I did (using the Spearfish dataset,
latest version from the web site):

v.patch in=soils,fields out=soilsfarms.patch
# here v.support would print tons of warnings as expected
v.spag -si soilsfarms.patch
v.support soilsfarms.patch op=build

Still many warnings appear - is intersecting not possible
without getting attribute problems? Or am I on the wrong



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