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Pixel-processing fundamentals

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1 Author(s)
Bresenham, J. ; Dept. of Comput. Sci., Winthrop Univ., Rock Hill, SC, USA

The key to developing line drawing algorithms is an explicit reference model for quantifying a “good” raster approximation. The article looks at old practices, then demonstrates the development of line and edge drawing algorithms. Computer driven raster displays introduce a higher performance, more demanding technology that benefits from systematic rules. To examine the development of a compact, integer arithmetic algorithm for line rastering, the article looks at some pixel space basics, then considers alternative measures by which closeness to a true line's locus could be evaluated. The key to effective use of all algorithms is a clear understanding of your objective function and the implications that can arise from incomplete or unintentionally fuzzy assumptions

Published in:

Computer Graphics and Applications, IEEE  (Volume:16 ,  Issue: 1 )