python - Smoothing polygons in contour map? - Geographic

Here is a contour map for which all the polygons of levels are available. Let ask how to smooth the polygons keeping all vertices preserved in their exact locations? Indeed the contour is made

The Shapely User Manual — Shapely 2.0.3 documentation

python - Smoothing polygons in contour map? - Geographic Information Systems Stack Exchange

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Approximate and subdivide polygons — skimage 0.22.0 documentation

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How to create a Raster from Contour Lines with Python, Geopandas

Help Online - Quick Help - FAQ-925 Why do the contour line labels