[GRASSLIST:5293] Re: segmentation fault with v.overlay

Dylan Beaudette dylan at iici.no-ip.org
Tue Jan 11 12:39:25 EST 2005


On Tuesday 11 January 2005 09:18 am, Marta Benito wrote:
> I have update GRASS, and the problem is still appearing, without writing
> anything :
>
> v.overlay ainput=mapa1 binput=mapa2 output=output operator=and
> Segmentation fault
>
> thank you

I wonder if this is in any way related to the Segfaults that v.out.ascii is 
causing...

Attached is the output from strace v.out.ascii 

Dylan


> El mar, 11-01-2005 a las 17:39, Radim Blazek escribió:
> > First try to update GRASS, your version is almost 2 months old.
> >
> > Radim
> >
> > Marta Benito wrote:
> > > Hi, I am trying to overlay to vectorial (area) maps, mapa1 and mapa2
> > > but without success:
> > > # v.db.connect -p mapa1
> > > Vector map <mapa1> is connected by:
> > > field <1> table <mapa1> in database
> > > </home/marta/grassdata/espanya_modelo_devel/pred_ppinea/dbf/> through
> > > driver <dbf> with
> > > key <cat>
> > > # v.db.connect -p mapa2
> > > Vector map <mapa2> is connected by:
> > > field <1> table <mapa2> in database
> > > </home/marta/grassdata/espanya_modelo_devel/pred_ppinea/dbf/> through
> > > driver <dbf> with
> > > key <cat>
> > >
> > > BUT:
> > >
> > > # v.overlay ainput=mapa1 binput=mapa2 output=output operator=and
> > > -----------------------------------------------------------------------
> > >------ Writing attributes ...
> > > Copying ainput lines ...  100%
> > > -----------------------------------------------------------------------
> > >------ Copying binput lines ...  100%
> > > -----------------------------------------------------------------------
> > >------ Buiding partial topology ...
> > > -----------------------------------------------------------------------
> > >------ Breaking lines ...
> > > Intersections:  6427
> > > -----------------------------------------------------------------------
> > >------ Removing duplicates ...
> > > Duplicates:    30
> > > -----------------------------------------------------------------------
> > >------ Cleaning boundaries at nodes ...
> > > Modifications:     0
> > > -----------------------------------------------------------------------
> > >------ Attaching islands ...
> > > Building topology ...
> > > Building areas:  100%
> > > 1869 areas built
> > > 986 isles built
> > > Attaching islands:  100%
> > > Topology was built.
> > > Number of nodes     :   8771
> > > Number of primitives:   11422
> > > Number of points    :   0
> > > Number of lines     :   0
> > > Number of boundaries:   11422
> > > Number of centroids :   0
> > > Number of areas     :   1869
> > > Number of isles     :   986
> > > Number of areas without centroid :   1869
> > > -----------------------------------------------------------------------
> > >------ Querying input 'mapa1 at pred_ppinea' ... Segmentation fault.
> > >
> > >
> > > Any ideas?
> > >
> > > Many thanks

-- 
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341
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