Mean value Bézier surfaces

  • Authors:
  • Torsten Langer;Hans-Peter Seidel

  • Affiliations:
  • MPI Informatik, Saarbrücken, Germany;MPI Informatik, Saarbrücken, Germany

  • Venue:
  • Proceedings of the 12th IMA international conference on Mathematics of surfaces XII
  • Year:
  • 2007

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Abstract

Bézier surfaces are an important design tool in Computer Aided Design. They are parameterized surfaces where the parameterization can be represented as a homogeneous polynomial in barycentric coordinates. Usually, Wachspress coordinates are used to obtain tensor product Bézier surfaces over rectangular domains. Recently, Floater introduced mean value coordinates as an alternative to Wachspress coordinates. When used to construct Bézier patches, they offer additional control points without raising the polynomial degree. We investigate the potential of mean value coordinates to design mean value Bézier surfaces.