[GRASS-user] digitize adjacent polygons

Moritz Lennert mlennert at club.worldonline.be
Thu Mar 12 07:32:58 PDT 2015


On 10/03/15 19:18, Markus Neteler wrote:
> On Mar 10, 2015 6:02 PM, "Moritz Lennert" <mlennert at club.worldonline.be
> <mailto:mlennert at club.worldonline.be>> wrote:
>  >
>  > On 10/03/15 16:35, Margherita Di Leo wrote:
>  >>
>  >> Hi,
>  >>
>  >> is there a way to digitize polygons with the new vector digitizer tool,
>  >> using existing borders? I mean, if I have to digitize two adjacent
>  >> polygons, how can I start one exactly where the other finishes, using
>  >> the line shared by the two, without having to digitize it twice?
>  >
>  >
>  > AFAIK, you have to break the existing border at the points where the
> new border will finishes. Then use the "new area" tool and just digitize
> starting from one of these points and arriving at the other.
>
> ... If lacking, please add this to the manual.

Done in r64839. Not sure if it is very clear though. Maybe someone could 
check and then I can backport.

Moritz






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