On Tue, 03 Nov 2009 11:59:34 +0100, Paolo Cavallini <[email protected]> wrote: > Hi all. > I'm studying v.generalize; in the past I obtained good results, but now I > keep on getting either 100% or 0% of the original vertices, no matter of > which algorhitm and parameters I select: could this be a bug, or am I doing > something wrong? > Testing on debian testing, grass64-5 from deb unstable, through qgis > interface. > Thanks.
E.g.: v.generalize input=sou...@butta type=area layer=1 method=douglas_reduction threshold=1000.0 look_ahead=7 reduction=50 slide=0.5 angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0 alpha=5 beta=5 iterations=1 layer=1 output=snake_simpl Generalization (douglas_reduction)... Building topology for vector map <snake_simpl>... Registering primitives... 1000 1488 primitives registered 31776 vertices registered Building areas... 713 areas built 618 isles built Attaching islands... Attaching centroids... Number of nodes: 1393 Number of primitives: 1488 Number of points: 0 Number of lines: 0 Number of boundaries: 775 Number of centroids: 713 Number of areas: 713 Number of isles: 618 Number of vertices was reduced from 31776 to 31776 [100%] Finalizado com sucesso -- http://faunalia.it/pc _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
