Curtis Olson wrote:
> Just a dumb question: can you give a brief summary of what "topologically
> clean" means?
No gaps, no overlaps (affects both VMap0 and CORINE), no objects which
don't belong into a polygon coverage (particularly VMap0, makes the
GEOS library crash).
It's preferrable not even to have very small gaps or very small
overlaps - that's not necessarily required for mixing land cover
datasets but gaps and overlaps are both having a well-proven tradition
of crashing "fgfs-construct".
Cheers,
Martin.
--
Unix _IS_ user friendly - it's just selective about who its friends are !
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