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I'm looking for approach to merge polygons which produce holes that covers between polygons. I already tried to use cascading union in Shapely, but it gives polygon that cover holes.

Reference question : polygon union without holes

expected output

expected output

Enea Dume
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Satya Nugraha
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1 Answers1

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I just solved this, you can extract list(concatenated_polygon.interiors) and pass it to MultiPolygon Geojson object where first geometry is Polygon Outerline and the rest are holes LinearRing

Satya Nugraha
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    Can you provide some more info on how you solved this as I'm currently facing the exact same problem? Maybe a code snippet? – Jethro Nov 27 '18 at 12:30