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CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures
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authors Piegl, L.
year 1985
title The Sphere as a Rational Bezier Surface
source [4], 18 p. : ill. October, 1985. Preprint No. 07-13. includes bibliography
summary A method is developed for the efficient representation of spherical caps by using the rational Bezier scheme of Computer Aided Design. The technique is applied to describe special spherical patches such as the hemi-sphere, an octant of a sphere and the whole sphere. A geometric interpretation of quadratic curves and quadric patches is used in order to obtain an insight into the geometry inherent in the rational Bezier scheme and so to make easier the selection of the spherical patch out of the quadric primitives
keywords Bezier, curved surfaces, CAD
series CADline
references Content-type: text/plain
last changed 2003/06/02 13:58
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