Hi, 2012/4/29 Markus Metz <markus.metz.giswork at googlemail.com>: > Internal buffers of areas are now (r51573) supported in trunk with > negative distances if GEOS support is enabled, i.e. v.buffer > distance=-1000 type=area works. cool, thanks! Martin -- Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa