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Reference.org
Cohen–Sutherland algorithm
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<p>In <a href="/facts/Computer_graphics/lapBE8wv">computer graphics</a>, the Cohen–Sutherland algorithm is an <a href="/facts/Algorithm/fnl5NmRt">algorithm</a> used for <a href="/facts/Line_clipping/t3Hsx3lf">line clipping</a>. The algorithm divides a two-dimensional space into 9 regions and then efficiently determines the lines and portions of lines that are visible in the central region of interest (the <a href="/facts/Viewport/6IawV5Kw">viewport</a>). </p><p>The algorithm was developed in 1967 during <a href="/facts/Flight_simulator/IdLNhr1V">flight simulator</a> work by <a href="/facts/Danny_Cohen_(engineer)/vDglK9b5">Danny Cohen</a> and <a href="/facts/Ivan_Sutherland/HDVqMT9h">Ivan Sutherland</a>. </p>