[GRASS-stats] FIXED: WAS: Re: Towards spgrass7

[Markus Neteler]

Thanks a lot, Rainer!

Markus
On Jan 29, 2015 1:50 PM, "Rainer M Krug" <Rainer at krugs.de> wrote:

> Hi
>
> Fixed in revision 19
>
> Thanks,
>
> Rainer
>
>
> Markus Neteler <neteler-Wi3NRebQdDHYtjvyW6yDsg at public.gmane.org> writes:
>
> > Hi,
> >
> > we came across another issue:
> >
> > When importing a vector map but with "type" being defined (either
> > wrong type or by being selective in a multi-type vector map), then the
> > internal SHAPE files are not properly cleaned up and block further
> > import:
> >
> >> myspear <- readVECT("roads", with_c=TRUE, type="point")
> > WARNING: 825 line(s) found, but not requested to be exported. Verify
> 'type'
> >          parameter.
> > WARNING: No points found, but requested to be exported. Will skip this
> >          feature type.
> > Exporting 0 features...
> >  100%
> > WARNING: Output layer is empty, no features written
> > v.out.ogr complete. 0 features (Point type) written to <roads>
> > (ESRI_Shapefile format).
> > Error in rgdal::readOGR(dsn = rtmpfl1, layer = shname, verbose =
> > !ignore.stderr) :
> >   no features found
> > In addition: Warning messages:
> > 1: In execGRASS("v.out.ogr", flags = flags, input = vname, type = type,
> :
> >   The command:
> > v.out.ogr -e -c input=roads type=point layer=1
> > output=/home/neteler/grassdata/spearfish60_grass7/user1/.tmp/pgis_north
> > output_layer=roads format=ESRI_Shapefile
> > produced at least one warning during execution:
> > WARNING: 825 line(s) found, but not requested to be exported. Verify
> 'type'
> >          parameter.
> > WARNING: No points found, but requested to be exported. Will skip this
> >          feature type.
> > Exporting 0 features...
> >  100%
> > WARNING: Output layer is empty, no features written
> > v.out.ogr complete. 0 features (Point type) written to <roads>
> > (ESRI_Shapefile format).
> > 2: In ogrFIDs(dsn = dsn, layer = layer) : no features found
> >
> > --> this error is ok but now the problem occurs while rerunning the
> command:
> >
> >> myspear <- readVECT("roads", with_c=TRUE)
> > Error in execGRASS("v.out.ogr", flags = flags, input = vname, type =
> type,  :
> >   The command:
> > v.out.ogr -e -c input=roads type=line layer=1
> > output=/home/neteler/grassdata/spearfish60_grass7/user1/.tmp/pgis_north
> > output_layer=roads format=ESRI_Shapefile
> > produced an error (1) during execution:
> > ERROR: Layer <roads> already exists in OGR data source
> >        '/home/neteler/grassdata/spearfish60_grass7/user1/.tmp/pgis_north'
> >>
> >
> > The reason is here ("garbage" left):
> >
> > GRASS 7.0.0svn (spearfish60_grass7):~/software/spgrass > ls -la
> > /home/neteler/grassdata/spearfish60_grass7/user1/.tmp/pgis_north
> > total 24
> > drwxr-xr-x. 2 neteler gis 4096 Jan 21 15:03 ./
> > drwxr-xr-x. 3 neteler gis 4096 May 30  2014 ../
> > -rw-r--r--. 1 neteler gis   97 Jan 21 15:03 roads.dbf
> > -rw-r--r--. 1 neteler gis  414 Jan 21 15:03 roads.prj
> > -rw-r--r--. 1 neteler gis  100 Jan 21 15:03 roads.shp
> > -rw-r--r--. 1 neteler gis  100 Jan 21 15:03 roads.shx
> >
> > It appears that these files are not cleaned up after readVECT()
> > execution in case of using the "type" parameter.
> > I am not sure where to fix that in the spgrass code.
> >
> > thanks
> > Markus
>
> --
> Rainer M. Krug
> email: Rainer<at>krugs<dot>de
> PGP: 0x0F52F982
>
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