[GRASS-user] Apply arbitrary edit to all coordinates in a vector

Ken Mankoff mankoff at gmail.com
Tue Mar 13 05:05:40 PDT 2018


On Tue, Mar 13, 2018 at 12:21 PM, Helmut Kudrnovsky <hellik at web.de> wrote:

> Ken Mankoff wrote
> > Is there a way to take an arbitrary vector from
> > GRASS and apply an arbitrary transformation to each element? v.edit has a
> > move feature, but this is not what I want.
> >
>
> v.transform - Performs an affine transformation (shift, scale and rotate)
> on
> vector map.
> https://grass.osgeo.org/grass74/manuals/v.transform.html
>
> not sure it is what you're looking for.
>

Yes that would do it just fine. Unfortunately I'm not sure how to get the
transformation matrix that invproj uses. I'll try to figure this out...

  -k.
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