On Wed, Jan 18, 2012 at 10:50 PM, Martin Landa <[email protected]> wrote: > 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?
The sign indicates in which direction the boundary should be read (negative for backward). Therefore negative ids are correct. Markus M > > 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 _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
