[GRASS-user] v.out.ogr

[Tom Russo]

On Wed, Sep 10, 2008 at 10:42:12PM +0200, we recorded a bogon-computron collision of the <silvia.simoni at ing.unitn.it> flavor, containing:
> Hi grass users,
> 
> i'm trying to export a grass vector and generate a shapefile using  
> v.out.ogr. the vector contains 4 points and 6 boundaries each has its  
> own centroids.
> the output shapefile contains 4 objects out of 10. WHY? How can I get  
> all the objects?
> 
> (i created the vector using v.patch from 2 separate vectors, one  
> containg 4 points and the other containing 6 boundaries + centroids).

Shapefiles can only hold one type of data (point, line, polygon) per shapefile.
You can't export a grass vector with both points and areas to a single
shapefile.  You'll have to do it in two passes to two different files with 
v.out.ogr and different "type=" parameters.

That is, it'll be as if you exported the data before having done the v.patch.

-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 http://kevan.org/brain.cgi?DDTNM
 "Argue for your limitations and sure enough, they're yours."  -- R. Bach