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A menagerie of rational B-spline circles

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2 Author(s)
Piegl, L. ; Univ. of South Florida, Tampa, FL, USA ; Tiller, W.

The article was motivated by J. Blinn's column on the many ways to draw a circle (see ibid., vol.7, no.8, p.39-44, 1987). The authors have found several other ways to represent the circle as a nonuniform rational B-spline curve, which they present. Square-based methods, infinite control points, triangle-based methods, general circular arcs and rational cubic circles are some of the methods and types of circle discussed.<>

Published in:

Computer Graphics and Applications, IEEE  (Volume:9 ,  Issue: 5 )