better explanation of the concept of layers in the vectorintro.html file
|Reported by:||mlennert||Owned by:|
As this question comes up very regularly on the mailing lists, I've tried to improve the explanation of the concept of layers in the vectorintro.html file. Since this is a difficult topic, I wanted to post my proposal here, before committing it.
The diff is against the dev6 branch, but the relevant paragraphs are the same in grass7.