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A parallel algorithm for polygon rasterization
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Source International Conference on Computer Graphics and Interactive Techniques archive
Proceedings of the 15th annual conference on Computer graphics and interactive techniques table of contents
Pages: 17 - 20  
Year of Publication: 1988
ISBN:0-89791-275-6
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Author
Juan Pineda  Apollo Computer Inc., Chelmsford, MA
Sponsor
SIGGRAPH: ACM Special Interest Group on Computer Graphics and Interactive Techniques
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 38,   Downloads (12 Months): 202,   Citation Count: 30
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ABSTRACT

A parallel algorithm for the rasterization of polygons is presented that is particularly well suited for 3D Z-buffered graphics implementations. The algorithm represents each edge of a polygon by a linear edge function that has a value greater than zero on one side of the edge and less than zero on the opposite side. The value of the function can be interpolated with hardware similar to hardware required to interpolate color and Z pixel values. In addition, the edge function of adjacent pixels may be easily computed in parallel. The coefficients of the "Edge function" can be computed from floating point endpoints in such a way that sub-pixel precision of the endpoints can be retained in an elegant way.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
1
Bresenham, J. Algorithm for Computer Control of Digital Plotter. IBM Systems Journal 4,1 (1965), 25-30.
 
2
 
3
Fuchs, H. and Poulton J. PIXEL-PLANES: A VLSI-Oriented Design for a Raster Graphics Engine. VLSI DESIGN (Third Quarter 1981), 20-28.
 
4
Fujimoto, A. and Iwata, K. Jag-Free Images on Raster Displays. IEEE Computer Graphics and Applications 3,9 (December 1983), 26-34.
 
5
Whitton, M. Memory Design for Raster Graphics Displays. iEEE Computer Graphics and Applications 4,3 (March 1984), 48-65.

CITED BY  30