The simplest subdivision scheme for smoothing polyhedra

  • Authors:
  • Jörg Peters;Ulrich Reif

  • Affiliations:
  • Purdue Univ., West Lafayette, IN;Univ. Stuttgart, Stuttgart, Germany

  • Venue:
  • ACM Transactions on Graphics (TOG)
  • Year:
  • 1997

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Abstract

Given a polyhedron, construct a new polyhedron by connecting every edge-midpoint to its four neighboring edge-midpoints. This refinement rule yields a C1 surface and the surface has a piecewise quadratic parametrozation except at a finite number of isolated points. We analyze and improve the construction.