Monotone Polygon Intersection

Geometry, Computer Applications, and Computer Graphics

by Darrell Shane

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This Note presents an algorithm for finding the intersection of two uniformly monotone polygons in linear time and space without preprocessing. Techniques for intersecting two convex polygons in linear time and space have been known for some time. Convex polygons are a special type of monotone polygons — i.e., they are monotone with respect to any axes. Thus, the algorithm presented will work equally well on convex polygons.

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