Hi all, currently dimension of vector map is stored in three different places (vlib) Map->plus.spidx_with_z (Plus_head) -> spatial index Map->plus.with_z (Plus_head) -> topology Map->head.with_z (Map_info) -> head Is it really needed? Martin -- Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa