On Thu, Feb 22, 2018 at 12:39 PM, Markus Metz <markus.metz.gisw...@gmail.com> wrote: > On Thu, Feb 22, 2018 at 10:05 AM, Helmut Kudrnovsky <hel...@web.de> wrote: >> Vilem Ded wrote ... >> > My questions: >> > Is there a way how to effectively apply function(command) by group? >> > Is the v.hull function supposed to work like this (ingnoring where and >> > cat arguments)?
... > From the manual: > layer=string > Layer number or name ('-1' for all layers) > Default: -1 > > You need to set the layer option to some positive number, otherwise all > points from all layers will be used and the cats and where options are > ignored. I have added a related note to the v.hull manual page (maybe others should be extended as well?). markusN _______________________________________________ grass-user mailing list firstname.lastname@example.org https://lists.osgeo.org/mailman/listinfo/grass-user