Hi Cinda, I cant help diagnose the issue, but I can give you an alternative method of using gdal_polygonize
Im assuming you are using this under Windows. Using the OSGeo4W Shell, navigate to the folder containing the dataset and then use gdal_polygonize raster_in.tif -f "ESRI Shapefile" shapefile_out.shp You can alternatively use the full file path also instead of navigating to a specific folder. A full list of additional commands can be found here https://gdal.org/programs/gdal_polygonize.html It should be quicker anyway than trying to run it from within QGIS Regards, Richard -- Richard McDonnell MSc Geographic Information Systems, FME Certified Professional FME Certified Professional FRM Data Management -- Oifig na nOibreacha Poibl? Office of Public Works Sr?id Jonathan Swift, Baile ?tha Troim, Co na M?, C15 NX36 Jonathan Swift Street, Trim, Co Meath, C15 NX36 -- M +353 87 688 5964 T +353 1 647 6543 https://www.opw.ie -- To send me files larger than 30MB, please use the link below https://filetransfer.opw.ie/filedrop/richard.mcdonn...@opw.ie Email Disclaimer: https://www.opw.ie/en/disclaimer/ From: Qgis-user <qgis-user-boun...@lists.osgeo.org> On Behalf Of Cinda Graubard Sent: 10 December 2019 19:46 To: qgis-user@lists.osgeo.org Subject: [Qgis-user] question about GDAL module ( QGIS 3.4.14-1 and 3.10.1-A) I'm trying to access a few gdal modules and keep getting this message: 2019-12-10T11:22:46 INFO GDAL execution console output C:\OSGeo4W64\bin\python3.exe: No module named gdal_polygonize I encountered this problem with 3.10.1-A and then went back and installed the last ltr 3.4-14-1 and have the same error. I've checked the packages installed through the advanced installer, and the GDAL/OGR library and comandline tools are included, though I'm not extremely familiar with this interface so I could be missing something. Can anyone suggest a solution for this? Thanks, Cinda ............................................................................................................... Cinda Graubard GeoMax 303.440.4539 office 720.272.9812 mobile GIS for Mineral Exploration 2D and 3D Visualization, Integration, Analysis, Modeling Project and Data Management Data capture and conversion Databases Software Sales and Training [earthtiny]
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