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How can I convert MultiPolygon to Multiline?

I want to work with the boundary of multipolygon. In R I can just do :

as(my_multi_polygone, 'SpatialLines')

But I don't know how to do it in Python?

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If multip is the collection of polygons representing the MultiPolygon collection.

multiLines = shapely.geometry.MultiLineString([x.exterior for x in multip])
  • Thanks @saph_top it work but i make for iteration on the geometry of multipoly. multiLines = shapely.geometry.MultiLineString([x.exterior for x in multip.geometry]) – Elite Feb 9 at 20:59

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