@Andreas: Yes the problem arises when topologically dirty datasets
are
imported. I already use GRASS to identify gaps and overlaps but
v.clean offers only removal based on the area of the sliver polygon
thus forcing me to analyze my dataset (area distribution) beforehand
whereas I am aiming at a logical distinction of slivers enabling me
to
distinguish between data to keep and noise to eliminate regardless of
the area.
yes - I did not read your email thoroughly - you already mentioned
GRASS and its limitations in this respect. Sorry about that.
Andreas
--
Andreas Neumann
Böschacherstrasse 10A
8624 Grüt (Gossau ZH)
Switzerland
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