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

[Rainer M Krug]

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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