Weiler–Atherton clipping algorithm (Polygon Clipping with Arbitrary Clipping Polygon Polygon Clipping)

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Time Complexity

$O(n^{2})$

Space Complexity

$O(n^{2})$? words

(Needs to keep track of (possibly) $O(n^2)$ intersection points)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word/Real RAM

Year

1977

Reference

https://www.cs.drexel.edu/~david/Classes/CS430/HWs/p214-weiler.pdf

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