[GRASSLIST:5290] Re: segmentation fault with v.overlay

Radim Blazek blazek at itc.it
Tue Jan 11 11:39:37 EST 2005


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




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