[GRASS-user] v.to.rast

Markus Neteler neteler at osgeo.org
Thu Jul 30 12:17:09 PDT 2015


On Thu, Jul 30, 2015 at 2:26 PM, patrick s. <patrick_gis at gmx.net> wrote:
> Thanks Stefan
>
> It seems first of all v.out.ascii is slow. Following your proposaI, the
> tmp-file has only 5300 observations after 9min15s. As I have 650.000 points
> this export will need approx. 18h! Can I speed this up somehow?
> (Database-driver is dbf)

Yes: use the SQLite backend instead of DBF.

You can convert it all automatically:
http://grasswiki.osgeo.org/wiki/Convert_all_GRASS_6_vector_maps_to_GRASS_7
"Convert automatically all GRASS 6 vector maps to GRASS 7 (including
attribute transfer from DBF to SQLite)"

and then enjoy the speed.

Markus


More information about the grass-user mailing list