Le vendredi 05 avril 2013 à 12:37 +0200, Moritz Lennert a écrit : > On 05/04/13 12:03, Vincent Bain wrote: > > Hello Mortiz, > > your reply helped me much. Removing/Reassigning layers is a matter of > > several steps : > > -drop previous layer definition, optionally drop related table; > > Please note: as MarkusM has already mentioned, you cannot drop a "layer > definition". You can drop the definition of a connection of a given > layer in a vector map to an attribute table. Whether or not a given > layer "exists" only depends on whether there are category values defined > for that layer for at least one feature in the map.
Ok, I was thinking "drop the layer<->table connection". > > Have you read "Vector object categories and attribute management" -> > "layers" on [1]. If not please do so and tell us if we can improve the > explanation. I did again, it was necessary. May it be a good improvment to adjoin some graphical material to make things faster to understand ? > Then you should at least be able to query vector maps with several > layers and get a result in the command console. You do not get the > update dialog, though. Something to be worked on for grass7 I think. nice, Thank you again, Vincent. _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
