Hi list, I have a very large shapefile, with almost 700k shapes which I want to clip with a border shapefile (in red): https://ibb.co/gKth1G
I'm using this command: ogr2ogr -clipsrc "border.shp" -overwrite -explodecollections -f "ESRI Shapefile" ogr_clipped.shp Fishnet.shp with GDAL 2.1.3, released 2017/20/01 Eventually, I'll transform the command to a call to ogr.VectorTranslate(). The result is visually correct: https://ibb.co/hOvJab But at the red asterix, I have an invalid shape. The reason is according to GEOS: Polygon must be clockwise I have more of these errors. They all seem to occur when the shape due to the clipping is triangular shaped: https://ibb.co/cKuY8w https://ibb.co/eXcWvb Is this an error/warning which can be expected or do I need to add an additional parameter? If needed I can try to make a test set with as little data as possible. Thanks, Paul
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