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Home/Magazine Archive/February 1977 (Vol. 20, No. 2)/A linear algorithm for incremental digital display.../Abstract

A linear algorithm for incremental digital display of circular arcs

By Jack Bresenham
Communications of the ACM, February 1977, Vol. 20 No. 2, Pages 100-106
10.1145/359423.359432
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Circular arcs can be drawn on an incremental display device such as a cathode ray tube, digital plotter, or matrix printer using only sign testing and elementary addition and subtraction. This paper describes methodology for producing dot or step patterns closest to the true circle.

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