[GRASS-user] v.out.ogr performance

David Mahoney mahoneyd at unbc.ca
Wed Feb 7 20:04:58 EST 2007

I don't want to beat a dead horse, and I know that this has been covered 
to a degree on this list before, but is there any way to speed up the 
export of a large vector layer (points in this case) to a shapefile? I 
have 750,000 points and it looks like it will take a few hours to export. 
This is with the attribute data stored in a PostgreSQL database.

I did build an index on the category field in the database, and I think it 
helped to a degree, but I can't be certain that GRASS is even using the 

David Mahoney

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