Hi, ids of area boundaries can be negative (N2->N1), I think that Vect_get_area_boundaries() should return list of non-negative ids [1].
Vect_list_append(List, abs(line)); Similar for Vect_get_isle_boundaries() or am I wrong? Martin [1] http://trac.osgeo.org/grass/browser/grass/trunk/lib/vector/Vlib/area.c#L192 -- Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
