Excellent, thank you. Am I correct then in assuming that I can treat all of my multipolygon data as type=boundary for the purposes of using v.generalize? The end goal is to buffer the geometry and then export it back out as a shapefile.
Thanks again for your assistance. Roger -- On Wed, Apr 15, 2009 at 10:13 AM, Martin Landa <[email protected]>wrote: > 2009/4/15 Roger André <[email protected]>: > > Got Version 6.4 working last night and started to experiment with > > v.generalize. I'm using it on a group of polygons that represent the > > Hawaiian islands and noticed some interesting behavior. In other > systems, I > > would expect these features to be treated at "multipolygons", however in > > GRASS I see that I have the option of specifying point, line, boundary, > or > > area. I'm not exactly sure what the difference between boundary and area > > is, but it does seem to make a difference in the v.generalize output > which > > of them I choose. Can someone clarify for me how these geometry types > > affect the operation v.generalize? > > http://grass.osgeo.org/grass64/manuals/html64_user/vectorintro.html > > -> Vector model and topology > > M. > > -- > Martin Landa <landa.martin gmail.com> * > http://gama.fsv.cvut.cz/~landa<http://gama.fsv.cvut.cz/%7Elanda> >
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