[GRASS-dev] v.centroid: on boundaries only?

Hamish hamish_b at yahoo.com
Fri Jan 27 15:57:01 EST 2012

Moritz ha scritto:
> typemask is not an option for v.centroid, but a grass-plugin
> specific parameter. What does it do ?
> it filters out the type of maps that appears on the list.

> AFAIU, it's related to `type` parameter. `typemask` filters vector
> maps which contains given type, ie. in this case only vector maps
> which contains at least one area (closed set of boundaries) are shown
> in combo box.
> ok, so the current set of options seem right.

but v.centroids is important for cases when there are no valid areas.

e.g. a dxf line map deliniating land parcels converted to boundaries
with v.type.


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