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Asked: 2026-06-15T14:36:18+00:00

I try to merge two Shapely Objects in my Python Project. There is a

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I try to merge two Shapely Objects in my Python Project.
There is a sort of kind of manual that describes some features of Shapely such as cascaded_union() but I that only works for Polygons. The shapely.ops.unary_union() method should work for other geometries as well but I can’t get it to work.

In a nutshell: how do I merge 2 LinearRing Objects?

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1 Answer

  1. Editorial Team

    I actually solved the problem myself. 

    p1 = Polygon(ring.coords) 
p2 = Polygon(ring2.coords)

    to make polygons from my rings. then I create an array with those polygons. merge them with cascaded_union and create a LinearRing from the new polygon. 

    pols = [p1, p2] 
new_pol = ops.cascaded_union(pols) 
new_ring = LinearRing(new_pol.exterior.coords)
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