Hi, 2013/3/25 Markus Metz <[email protected]>:
[...] > All areas also form isles. You probably want to skip areas that are > part of isles which in turn are inside another area. The easiest way I was not precise enough in my question. But you are right. That's what I want (concretely for simple feature output defined by `v.external.out`). > to find out if an area is part of an isle inside another area is to go > through the area's boundaries, get for each boundary the areas on the > left and right and check if one of them is an isle. Then use > Vect_get_isle_area() and check if this is > 0. Thanks, I just wondered if there is more straightforward approach. Martin -- 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
