Hi, 2018-05-07 22:36 GMT+02:00 Alexander Wirt <formorer@formorer.de>: > operator here, you called me? Whats your username? oh, probably :-) My username is 'martinl'. Thanks for quick feedback. Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa