[Qgis-user] Polygonize - No result

[Alexander Bruy]

Actually there is no issue here with GDAL path, look at the error message again.

The problem is that data located on the network drive. Looks like we
need to check
how network paths are handled in Processing.

пн, 6 січ. 2020 о 02:35 Nicolas Cadieux <nicolas.cadieux at archeotec.ca> пише:
>
> Hi,
> I think you need to add the gdal path in the QGIS defaults.  Look in the earlier emails and search for “No module named”. I seen others have similar problems in the last few weeks.
>
> Nicolas Cadieux
>
> > Le 5 janv. 2020 à 15:43, Lene Fischer <lfi at ign.ku.dk> a écrit :
> >
> > Hi
> > I´m trying to run Vector to raster (polygonize)
> >
> > Suspect it´s the path to GDAL.
> > I get this error message
> >
> > QGIS version: 3.10.1-A Coruña
> > QGIS code revision: ef24c526da
> > Qt version: 5.11.2
> > GDAL version: 3.0.2
> > GEOS version: 3.8.0-CAPI-1.13.1
> > PROJ version: Rel. 6.2.1, November 1st, 2019
> > Processing algorithm…
> > Algorithm 'Polygonize (raster to vector)' starting…
> > Input parameters:
> > { 'BAND' : 1, 'EIGHT_CONNECTEDNESS' : False, 'EXTRA' : '', 'FIELD' : 'DN', 'INPUT' : 'C:/gis/nysted_raster/1_7m.tif', 'OUTPUT' : 'TEMPORARY_OUTPUT' }
> >
> > GDAL command:
> > python3 -m gdal_polygonize C:\gis\nysted_raster\1_7m.tif C:/gis/temp/processing_dc13c7a2a0cf4d22aef37dcd462534db/e5db8073dc414a989e176ea591f28c1c/OUTPUT.gpkg -b 1 -f "GPKG" OUTPUT DN
> > GDAL command output:
> > '\\a00143.science.domain\dlt265\Documents'
> >
> > CMD.EXE was started with the above path as the current directory.
> >
> > UNC paths are not supported. Defaulting to Windows directory.
> >
> > C:\PROGRA~1\QGIS3~1.10\bin\python3.exe: No module named gdal_polygonize
> >
> > Execution completed in 0.33 seconds
> > Results:
> > {'OUTPUT': 'C:/gis/temp/processing_dc13c7a2a0cf4d22aef37dcd462534db/e5db8073dc414a989e176ea591f28c1c/OUTPUT.gpkg'}
> >
> > Loading resulting layers
> > The following layers were not correctly generated.<ul><li>C:/gis/temp/processing_dc13c7a2a0cf4d22aef37dcd462534db/e5db8073dc414a989e176ea591f28c1c/OUTPUT.gpkg</li></ul>You can check the 'Log Messages Panel' in QGIS main window to find more information about the execution of the algorithm.
> >
> > Regards
> >
> >
> >
> > Lene Fischer
> > Associate Professor
> >
> > University of Copenhagen
> > Department of Geoscience and Natural Resource Management
> > Forest and Landscape College
> > Nødebovej 77a
> > 3480 Fredensborg
> > Denmark
> >
> >
> > MOB +45 40115084
> > lfi at ign.ku.dk
> >
> >
> >
> >
> >
> >
> >
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-- 
Alexander Bruy