Hi, 2016-06-06 10:00 GMT+02:00 Robert Kuszinger <kuszinger at giscom.hu>: > Command: v.to.3d --overwrite input=l_00004_buf_diss at Duna > output=l_00004_buf_diss_3d height=110 try to append `layer=-1`. Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa