[GRASS-user] serious problem with "ROUND-OFF"
Hamish
hamish_b at yahoo.com
Thu Oct 1 13:41:16 EDT 2009
achim wrote:
> thanks for your suggestions. It is very useful to get ideas
> from a different perspective!
>
> I am sorry, that I have to write a 'but' again:
Hamish:
> > > r.to.vect the area
> ..I have no areas to extract. I have a river network, for
> which I want to subdivide some lines.
> Because I have some thousands of lines, I always get some
> start/end-nodes on these critical points on the border
> between two
> raster-cells.
>
> > add cats to boundaries with v.category
> > v.type the boundary to line
> > v.extract the lines
> > v.buffer the lines to about the cell width
> > v.overlay op=not
sorry I was thinking of a screenshot posted in the last days
to remove a boundary which touched the side of a polygon with
that.
glad you fixed it with r.what.
Hamish
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