[GRASSLIST:2432] Re: grass 5.7 vector geometry
Radim Blazek
blazek at itc.it
Mon Feb 2 04:48:59 EST 2004
On Sunday 01 February 2004 09:20, francesco.pirotti at unipd.it wrote:
> 2 - To digitize polygons and associate attributes to them, there are
> actually three parts in GRASS 5.7: the boundary, the centroid and the
> actual area (am I correct?). The area itself does not contain attributes,
> whereas the boundary and the centroid do. So if I want to export a shape
> poligon with v.out.ogr and I select "area" as elements the exported
> shapefile polygon will not have any attributes because attributes belong
> only to the boundary or the centroid. If I export boundaries I get lines
> and not polygons.
Centroid's attributes are used for area.
Radim
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