Designing composite triangular subdivision schemes

  • Authors:
  • Peter Oswald

  • Affiliations:
  • International University Bremen, Bremen, Germany

  • Venue:
  • Computer Aided Geometric Design - Special issue: Geometric modelling and differential geometry
  • Year:
  • 2005

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Abstract

Building subdivision schemes out of simple, very local and geometrically invariant averaging rules is convenient both from a theoretical and practical point of view. We review the benefits of this approach with special emphasis on the smoothness analysis of the limit surfaces, derive certain guidelines for how to design reasonable composite schemes, and apply those to √7-subdivision.