Approximating Surfaces of Revolution by Nonrational B-Splines

  • Authors:
  • Les A. Piegl;Wayne Tiller

  • Affiliations:
  • University of South Florida;GeomWare

  • Venue:
  • IEEE Computer Graphics and Applications
  • Year:
  • 2003

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Abstract

The article presents a method to approximate surfaces of revolution with nonrational B-splines. The profile curve is assumed to be a nonrational curve, and the revolution is performed by a nonrational approximation of the circular arc. The approximation requires only a modest number of control points in the range of engineering tolerances and provides a quasiuniform parametrization as compared to the quadratic rational circle.