[GRASS-windows] RE: cannot get r.to.vect to work

[Markus Neteler]

Barry,

On Fri, Oct 16, 2009 at 7:01 PM, Snowdon, Barry B FOR:EX
<Barry.Snowdon at gov.bc.ca> wrote:
> Thanks for your reply Markus,
>
> Originally I was trying to use GRASS 6.4.0: r39271-1.  I uninstalled it
> and re-install it this morning in case anything has changed.
>
> However, it returned the following error.
>
> r.to.vect -v --overwrite --verbose input=pgtsa_lu at PERMANENT
> output=lu_poly at PERMANENT feature=area
> Vector map <lu_poly> already exists and will be overwritten
> Invalid argument: can't _spawnl
> Unable to start driver <dbf>
> Unable open database <E:/GIS DataBase/My_Location/PERMANENT/dbf/> by
> driver <dbf>
> Unable to find table <lu_poly> linked to vector map <lu_poly>
> ERROR: Unable to delete vector map <lu_poly>
> (Fri Oct 16 09:20:54 2009) Command finished (0 sec)
>
>
> That's why I tried 6.3.
>
> I noticed quiet a lot of discussion about this "Invalid argument: can't
> _spawnl" error or issue including talk of a patch in your September 21
> release.  However, it doesn't seem to work on my Vista machine at least.
>
> Once again I'm running Vista.
>
> Any help you could provide would be greatly appreciated.  If there is
> any other information you would like me to provide just let me know.

It appears to be fixed in r39464.
http://trac.osgeo.org/grass/ticket/629#comment:31

So a newer version should help (we still don't have a regular
availability of new versions for Windows unfortunately).

Markus