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Parallelization of Bresenham's line and circle algorithms

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1 Author(s)
Wright, W.E. ; Southern Illinois Univ., Carbondale, IL, USA

Parallel algorithm for line and circle drawing that are based on J.E. Bresenham's line and circle algorithms (see Commun. ACM, vol.20, no.2, p.100-6 (1977)) are presented. The new algorithms are applicable on raster scan CRTs, incremental pen plotters, and certain types of printers. The line algorithm approaches a perfect speedup of P as the line length approaches infinity, and the circle algorithm approaches a speedup greater than 0.9P as the circle radius approaches infinity. It is assumed that the algorithm are run in a multiple-instruction-multiple-data (MIMD) environment, that the raster memory is shared, and that the processors are dedicated and assigned to the task (of line or circle drawing).<>

Published in:

Computer Graphics and Applications, IEEE  (Volume:10 ,  Issue: 5 )

Date of Publication:

Sept. 1990

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