link each region to the unique input point it contains in v.voronoi?

Hi All,

There is a one-to-one correspondence between each point
of the input point set and a region in the output region set
of the Voronoi diagram. Is there a way (say, adding
an attribute column?) to create the two way links between
these two data sets?

An unrelated minor question: the output of v.voronoi can be displayed,
but it does not pass the geojson validator:
https://github.com/mapbox/geojsonhint
The orientation of the output regions seem to be the opposite
of the geojson specification. I guess the responsibility
of ensuring the correct orientation falls more on v.voronoi
than on v.out.ogr (which outputs the geojson file)?

Thanks!

--
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Chao-Kuei Hung 洪朝貴

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