Hi all, I'm investigating gdal_polygonize.py I'm thinking of using it to convert a DEM-file to a polygon shapefile.
I did a quick test using gdal_polygonize.py logan.tif -f "ESRI Shapefile" logan_poly.shp and got a shapefile. But this shapefile is huge, it created a polygon for every pixel value. I was thinking it would be a bit more like gdal_contour which uses an interval. Am I not understanding the purpose of gdal_polygonize? Can somebody tell me some real-life use cases when to use this? Thanks, Paul
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