[GRASS-user] overlapping areas seem valid to v.build: why?

Maris Nartiss maris.gis at gmail.com
Fri Dec 2 06:43:54 EST 2011

Pardon my ignorance,
how is possible to distinguish areas without centroids from holes?
And why it doesn't make sense?

just finished converting and cleaning CAD (spaghetti) lines + points
to valid areas.

2011/12/2 Markus Metz <markus.metz.giswork at googlemail.com>:
>  * for areas without centroids that are not holes. Areas without
> centroids that are not holes are topologically correct but do not make
> sense logically.

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