[GRASS-user] v.voronoi error: Found 0 points/centroids, but at least 2 are needed

[Markus Neteler]

On Nov 25, 2017 11:48 AM, "Markus Metz" <markus.metz.giswork at gmail.com>
wrote:
> On Sat, Nov 25, 2017 at 3:07 AM, 洪朝貴 <ckhung at cyut.edu.tw> wrote:
...
> > Did I miss some steps before calling v.voronoi?
>
> v.voronoi uses the current region (the algorithm requires this),
therefore you need to set an appropriate computational region first, e.g.
with
>
> g.region -pa vect=tkec res=1
>
> before using v.voronoi.

Would it make sense to print the used region settings to help the user?

Best,
markusN
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