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Iowa State University

Electrical and Computer Engineering

1981

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Full-Text Articles in Engineering

A Study Of Real-Time Computer Graphic Display Technology For Aeronautical Applications, Sarah A. Rajala Apr 1981

A Study Of Real-Time Computer Graphic Display Technology For Aeronautical Applications, Sarah A. Rajala

Sarah A. Rajala

The development, simulation, and testing of an algorithm for anti-aliasing vector drawings is discussed. The pseudo anti-aliasing line drawing algorithm is an extension to Bresenham's algorithm for computer control of a digital plotter. The algorithm produces a series of overlapping line segments where the display intensity shifts from one segment to the other in this overlap (transition region). In this algorithm the length of the overlap and the intensity shift are essentially constants because the transition region is an aid to the eye in integrating the segments into a single smooth line.