Hi, I noticed gdal_polygonize.py creates invalid shapefiles. I use this tiff file as input: http://www.fao.org/geonetwork/srv/en/http://www.fao.org/geonetwork/srv/en/resources.get?id=37139&fname=povt.zip&access=private
And this is my command: gdal_polygonize.py pov.tif -f "ESRI Shapefile" pov_polygonize.shp I tried it using gdal v1.9 and v2.0. Both give a result of 381 invalid shapes (according to GEOS). All of them are reported as 'Ring Self-intersection'. Should I change my command to prevent invalid shapes? Thanks, Paul
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