Sutherland–Cohen algorithm

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• Cohen–Sutherland algorithm

In computer graphics, the Cohen–Sutherland algorithm (named after Michael F. Cohen and Ivan Sutherland) is a line clipping algorithm. The algorithm divides a 2D space into 9 regions, of which only the middle part (viewport) is visible.

In 1967, flight simulation work by Danny Cohen led to the development of the Cohen–Sutherland computer graphics two and three dimensional line clipping algorithms, created with Ivan Sutherland.[1].