On 30 July 2013 15:37, Norman Langner <[log in to unmask]> wrote: > Am 29.07.2013 19:57, schrieb Luís de Sousa: > > >> Another thing: all spatial objects I use/create are contained by a >> GeomVectorField. >> >> Can you tell me the reason for it? Is it necessary? Leads it to any > advantages? > Nope that just happens to be they way I'm working right now. It was just to mention that I never tried a set up exactly like yours. Good thing you solved the problem. Regards, Luís