Interpolating splines with local tension, continuity, and bias control

  • Authors:
  • Doris H. U. Kochanek;Richard H. Bartels

  • Affiliations:
  • Computer Motion Graphics Centre, National Film Board of Canada, Box 6100, Station A, P-36, Montreal, Quebec, Canada, H3C 3H5;Computer Graphics Laboratory, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1

  • Venue:
  • SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
  • Year:
  • 1984

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Abstract

This paper presents a new method for using cubic interpolating splines in a key frame animation system. Three control parameters allow the animator to change the tension, continuity, and bias of the splines. Each of these three parameters can be used for either local or global control. Our technique produces a very general class of interpolating cubic splines which includes the cardinal splines as a proper subset.