Rich, On Sun, May 31, 2020 at 6:31 PM Rich Shepard <[email protected]> wrote: > > On Sun, 31 May 2020, Markus Neteler wrote: > > > ogr2ogr > > -simplify <tolerance> > > Distance tolerance for simplification. Note: the algorithm used > > preserves topology per feature, in particular for polygon geometries, but > > not for a whole layer. > > Markus, > > Thanks for confirming this approach.
I didn't confirm at all :-) It was just an information or warning. > > ... keep in mind that AFAIK this may damage the topology (i.e. gaps > > and slivers may arise between polygons). > > So, select the <tolerance> with care... > > Given that I have no experience selecting tolerances for simplfy please > suggest what I should read to make an informed first guess. I'd stick to submeter but I don't know what data you are working with nor what their resolution/scale is... Markus _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
