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Explain weiler-Atherton polygon clipping algorithm and state its advantage over other polygon clipping algorithm. Explain working with an example.
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written 6.2 years ago by |
Weiler-Atherton Algorithm:-
The clipping algorithms studied require a convex polygon in context of many applications. e.g. hidden surface removal, the ability to clip to concave polygon is required. A powerful but somewhat more complex clipping algorithm developed by weiler and Atherton meets this requirement. This algorithm defines the Polygon to …