id summary reporter owner description type status priority milestone component version resolution keywords cc cpu platform 397 v.clean creates polygons instead of holes cgsbob grass-dev@… "I'm having problems with this sequence of commands: r.to.vect -s input=lszone output=lszone10 feature=area v.clean input=lszone10 output=lszone10_clean tool=rmarea thresh=2800 Below is the output and I've attached a jpeg to illustrate the problem. Overlaying lszone and lszone10_clean, I see that there are large holes that have been replaced with polygons. Is this a bug? Btw, I've tried this with QGIS on Windows XP as well as GRASS 6.4.svn with the same results. Bob ====================================================================== r.to.vect -s in=lszone out=lszone10 feature=area Extracting areas... 100% 100% Building topology for vector map ... Registering primitives... 50074 primitives registered 629002 vertices registered Building areas... 100% 27613 areas built 17107 isles built Attaching islands... 100% Attaching centroids... 100% Number of nodes: 39568 Number of primitives: 50074 Number of points: 0 Number of lines: 0 Number of boundaries: 33886 Number of centroids: 16188 Number of areas: 27613 Number of isles: 17107 Number of areas without centroid: 11425 r.to.vect complete. v.clean in=lszone10 out=lszone10_clean tool=rmarea thresh=2800 -------------------------------------------------- Tool: Threshold Remove small areas: 2.800000e+03 -------------------------------------------------- Copying vector lines... Rebuilding parts of topology... Building topology for vector map ... Registering primitives... 50074 primitives registered 629002 vertices registered Building areas... 100% 27613 areas built 17107 isles built Attaching islands... 100% Attaching centroids... 100% Number of nodes: 39568 Number of primitives: 50074 Number of points: 0 Number of lines: 0 Number of boundaries: 33886 Number of centroids: 16188 Number of areas: 27613 Number of isles: 17107 Number of areas without centroid: 11425 -------------------------------------------------- Tool: Remove small areas 26251 areas of total size 9.34119e+06 removed -------------------------------------------------- Rebuilding topology for output vector map... Building topology for vector map ... Registering primitives... 4913 primitives registered 222687 vertices registered Building areas... 100% 1362 areas built 1127 isles built Attaching islands... 100% Attaching centroids... 100% Number of nodes: 4678 Number of primitives: 4913 Number of points: 0 Number of lines: 0 Number of boundaries: 4185 Number of centroids: 728 Number of areas: 1362 Number of isles: 1127 Number of duplicate centroids: 3 Number of areas without centroid: 637 " defect closed major 6.4.0 Vector unspecified fixed Unspecified Unspecified