correct. there was no feature in "impervh_clean" ! On Wed, Oct 19, 2016 at 12:01 AM, Anna Petrášová <[email protected]> wrote:
> On Tue, Oct 18, 2016 at 11:56 PM, alassane toure <[email protected]> > wrote: > > Anna, > > I run the command you suggested and there is indeed a connection problem. > > How do i fix it? Here are the commands i run in a grass/python script: > > > > criteria="(value=255) and (area_sf>"+sys.argv[5]+")" > > grass.run_command('v.extract', input='imperv', > > output='impervh_clean',type='area',where=criteria) > > > > Here is the command yielding the database connection error... > > > > grass.run_command('v.to.rast', input='impervh_clean', > > output='impervh_clean1',use='attr',attribute_column='value') > > > > Any suggestion to establish db connection for vector map "impervh_clean"? > > That's hard to say from this, check whether the v.extract gives any > warning and if it extracts any features. > > > > > Regards, > > > > Alassane > > > > > > On Tue, Oct 18, 2016 at 11:29 PM, Anna Petrášová <[email protected]> > > wrote: > >> > >> On Tue, Oct 18, 2016 at 11:21 PM, alassane toure <[email protected]> > >> wrote: > >> > Anna, > >> > is that the command needed to make the connection? ... > >> > >> No, it just shows you the current connection, I was just trying to > >> analyze the problem. > >> > >> > >> > > >> > db.connect driver=sqlite > >> > database='$GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db' > >> > db.tables -p > >> > v.db.connect map=vectormap table=table driver=sqlite \ > >> > > >> > database='$GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db' > >> > v.db.connect -p map=vectormap > >> > > >> > > >> > Thanks, > >> > > >> > Alassane > >> > > >> > > >> > On Tue, Oct 18, 2016 at 9:46 PM, Anna Petrášová < > [email protected]> > >> > wrote: > >> >> > >> >> > >> >> > >> >> On Tue, Oct 18, 2016 at 9:31 PM, alassane toure <[email protected]> > >> >> wrote: > >> >>> > >> >>> Group, > >> >>> While executing v.to.rast the following error came up (not present > in > >> >>> earlier 7.0 version) > >> >>> Your suggestion is appreciated. > >> >> > >> >> > >> >> Check your database connection for the input vector, it says: > >> >> "Database connection not defined for layer <1>" > >> >> > >> >> using v.db.connect -p vector_name > >> >> > >> >> Anna > >> >> > >> >>> > >> >>> Thanks > >> >>> Alassane > >> >>> > >> >>> _______________________________________________ > >> >>> grass-user mailing list > >> >>> [email protected] > >> >>> http://lists.osgeo.org/mailman/listinfo/grass-user > >> >> > >> >> > >> > > > > > >
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