[GRASS-user] Invalid descriptor

GRASS GRASS user
1

I’m trying to run v.surf.rst, and at the end of the process I get:
ERROR: Invalid descriptor: 0
and no raster is created
This error message seems to be coming from /lib/close.c
I am working on a self compiled grass70 (recent svn) on Linux Mint 17.

Here’s the full output:

GRASS 7.0.0svn (ITM):~/GIS/grass/ITM/Arava > v.surf.rst input=hatzeva_pts elev=hatzeva_dem
Reading features from vector map …
WARNING: Some points outside of region (ignored)
WARNING: Strip exists with insufficient data
WARNING: There are points outside specified 2D/3D region - 8 points ignored
Ignoring 5004347 points (too dense)
Bitmap mask created
Processing segments…
WARNING: Taking too long to find points for interpolation - please change
the region to area where your points are. Continuing
calculations…
…
WARNING: Taking too long to find points for interpolation - please change
the region to area where your points are. Continuing
calculations…
100%
ERROR: Invalid descriptor: 0
[Raster MASK present]

I am owner of the LOCATION and MAPSET. The region settings are such that the extent is only about 6.4 million cells. What can I check to find the cause of this?

Thanks,
Micha

2

(responding to myself) The prob is the raster mask, I see this was fixed months ago ( ) with the addition of the maskmap parameter to v.surf.rst. Cheers, Micha

···

On 08/04/2014 08:29 AM, Micha Silver wrote:

I’m trying to run v.surf.rst, and at the end of the process I get:
ERROR: Invalid descriptor: 0
and no raster is created

http://trac.osgeo.org/grass/ticket/1775

3

On Mon, Aug 4, 2014 at 2:06 AM, Micha Silver <micha@arava.co.il> wrote:

On 08/04/2014 08:29 AM, Micha Silver wrote:

I'm trying to run v.surf.rst, and at the end of the process I get:
ERROR: Invalid descriptor: 0
and no raster is created

(responding to myself)
The prob is the raster mask, I see this was fixed months ago (
http://trac.osgeo.org/grass/ticket/1775 ) with the addition of the
maskmap parameter to v.surf.rst.
Cheers,
Micha

so your grass version was not recent enough? Just to make sure it's
working...

Anna

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4
···

On 04/08/2014 16:38, Anna Petrášová wrote:

On Mon, Aug 4, 2014 at 2:06 AM, Micha Silver <micha@arava.co.il> wrote:

On 08/04/2014 08:29 AM, Micha Silver wrote:

I’m trying to run v.surf.rst, and at the end of the process I get:
ERROR: Invalid descriptor: 0
and no raster is created

(responding to myself)
The prob is the raster mask, I see this was fixed months ago (http://trac.osgeo.org/grass/ticket/1775 ) with the addition of the maskmap parameter to v.surf.rst.
Cheers,
Micha

so your grass version was not recent enough? Just to make sure it’s working…

Yes, working fine now, thanks.

Anna

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-- 
Micha Silver
GIS Consulting
052-3665918
[http://www.surfaces.co.il](http://www.surfaces.co.il)