[GRASS-user] v.digit snapping to close polygons

Martin Landa landa.martin at gmail.com
Sun May 25 11:52:56 EDT 2008


2008/5/25 Moritz Lennert <mlennert at club.worldonline.be>:
> In v.digit (not the wx version - don't have access to that currently),
> snapping works great for continuing lines, etc. However, whenever I draw a
> boundary which I would like to be closed so that it can become an area,
> snapping is inactive, i.e. I can put my ending vertex as close as I want
> to the beginning vertex, they still stay separate. I know I can then move
> the vertex and thus close the boundary (snapping works fine for the "move
> vertex" operation), but this is an extra step, and can become quite
> tedious.
> So:
> 1) Am I doing something wrong ?
> 2) If not, would it be very difficult to make snapping work also for
> closing boundaries in the current (gis.m) version of v.digit ?

long-standing bug(?) in v.digit...

> 3) Does this work in the wxgrass digitizer ?

yes, should work in wxgui vector digitizer...


Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa *

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