[GRASS-user] Shape file dbfs field name truncation leads to duplicate filed names on import
wenzeslaus at gmail.com
Tue Apr 22 14:30:35 PDT 2014
On Tue, Apr 22, 2014 at 2:25 PM, Markus Metz
<markus.metz.giswork at gmail.com>wrote:
> On Mon, Apr 21, 2014 at 7:12 AM, jwd <jwd at surewest.net> wrote:
> > I've been working at trying bring data from either shapefile or e00
> > file into GRASS 6.4.3 However some of the layers simply do not
> > import. The trouble seems to be that some of the column names in the
> > shape dbf violate naming limits and result duplicate column names
> > which cause a failure. E00 files (same data but different format) also
> > result in a failure. As far as I can tell, the cause is the same. In
> > some tables the process of importing the data results in duplicate
> > field names due to truncation. Switching to the SQLite driver did not
> > help here.
> Hmm, switching to the SQLite driver should help. Did you use
> db.connect driver=sqlite
> or another command / other options. Note that you should use
> $GISDBASE/$LOCATION_NAME/$MAPSET literally and not replace these
> variables with their content.
> What does db.connect -p say after switching to the SQLite dirver?
> What are the error messages after switching to the SQLite dirver?
> See https://trac.osgeo.org/grass/ticket/2193 for explanation of
duplication and issues with cnames parameter.
> > The data files are USGS coverages created originally in the '90s. If
> > anyone has a recommended utility that can handle this problem, please
> > let me know.
> > JWDougherty
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