[GRASS-user] v.overlay not working?

Paolo Cavallini cavallini at faunalia.it
Sat Aug 31 10:12:01 PDT 2013


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Il 31/08/2013 14:02, Markus Neteler ha scritto:

> Which GRASS GIS version do you use?

6.4.2-2 from official Debian sid
> 
>> ===
>> v.overlay ainput=liguria_agricola at alessandra atype=area alayer=1
>> binput=uso_suolo_agricolo at alessandra btype=area blayer=1 output=over_xor operator=xor
>>
>> Collecting input attributes...
>> DBMI-DBF driver error:
>> Cannot create dbf database: cat /home/paolo/Desktop/spezia/grass/spezia/alessandra/dbf/
> 
> please report
> v.db.connect -p

Vector map <liguria_agricola at alessandra> is connected by:
layer <1> table <AGRICOLA> in database <cat
/home/paolo/Desktop/spezia/grass/spezia/alessandra/dbf/> through driver <dbf> with
key <liguria_agricola>


> AFAIK v.in.ogr does not accept identical column names. How was the map imported
> (v.info -h mapname)?

COMMAND: v.in.ogr -o dsn="//Srv09/Public/PIANIFICAZIONE
TERRITORIALE/QGIS/CARTOGRAFIA/BANCA DATI ORIGINARIE/SPLIT/COMPONENTI
PTR/COMPONENTI/V_PTR_00_A_ProvSPEZIA_COMPONENTE__LIGURIA AGRICOLA.shp"
output="liguria_agricola" min_area=1 snap=0.5
GISDBASE: \\Srv09\public\PIANIFICAZIONE TERRITORIALE\QGIS\CARTOGRAFIA\BANCA DATI
ORIGINARIE\ANALISI\grass

> For duplicate column names, there is the cnames parameter to rename
> them on the fly.
> http://grass.osgeo.org/grass64/manuals/v.in.ogr.html
> 
> So (in theory) this error should not happen at all...

However, I'm talking about duplicate entries in CAT field, not column names.
Thanks for your interest.

- -- 
Paolo Cavallini - Faunalia
www.faunalia.eu
Full contact details at www.faunalia.eu/pc
Nuovi corsi QGIS e PostGIS: http://www.faunalia.it/calendario
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