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Two Approaches to a Computer Model for Quadric Surfaces
September 1983 (vol. 3 no. 6)
pp. 21-24
Ronald Goldman, Control Data Corporation
In this detailed analysis of the two basic approaches to computer models for quadric surfaces, internal consistency emerges as the primary virtue of the superior model.

1. I. C.Braid, Nov. 1979 “Geometric Modeling—Ten Years On,” CAM-I Geometric Modeling Seminar
2. H.Voelcker, “An Introduction to PADL,” , University of Rochester 1974 tech. memo no. 22, PAP
3. J. Z.Levin, “A Parametric Algorithm for Drawing Pictures of Solid Objects Composed of Quadric Surfaces,” Comm. ACM Vol. 19, No. 10, pp. 555-563 Oct. 1976
4. A.Dresdin, Solid Analytic Geometry and Determinants , Dover Publications 1964
5. W. F.Osgood and W. C.Graustein, Plane and Solid Analytic Geometry , MacMillan 1960

Citation:
Ronald Goldman, "Two Approaches to a Computer Model for Quadric Surfaces," IEEE Computer Graphics and Applications, vol. 3, no. 6, pp. 21-24, Sept. 1983, doi:10.1109/MCG.1983.263208
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