[GRASSLIST:5860] Re: vector point cropping

[Hamish]

> GRASS60, I tried cropping 
> area vector with points but failed.
> in GRASS5.7 it was OK.

more details are needed. Exact commands? Exact output? Can you reproduce
it with the spearfish57 data set?



> > I have a points-vector & I want to cut out all
> > points that fall within a polygon.
> > 
> > In GRASS 5.4 you could use s.mask to do this.
> > 
> > 
> > In GRASS 5.7, v.select looks like it would work if
> > there was a "operator=not" option [for v.select] or if v.overlay
> > worked for points.
> >
> > Any ideas?
> >
> > Hamish

Solution:

[v.hull +] v.in.region + 'v.overlay operator=not' to make a negative
mask of a the polygon, and then 'v.select op=overlap' to only keep the
points in the negative-mask.


Hamish