Zeeuw polygon/polyline clipping demo
This page demonstrates the Zeeuw clipper implementation in the WW.Math library for clipping 2D polygons and polylines. The algorithm is an evolution of the Vatti clipping algorithm, but it also handles horizontal edges, overlapping edges and vertices that coincide with another vertex or edge.
The .NET implementation of the clipper can be found in the WW assembly: WW.Math.Geometry.ZeeuwClipper2D and ZeeuwClipper3D (which handles 3D polylines). The implementation uses floating point arithmetic.
The default input polygons originate from article "A closed set of algorithms for performing set operations on polygonal regions in the plane" by Michael V. Leonov, Alexey G. Nikitin.
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