Topological quadrangulations of closed triangulated surfaces using the Reeb graph

  • Authors:
  • Franck Hétroy;Dominique Attali

  • Affiliations:
  • LIS Laboratory, Domaine Universitaire, BP 46, 38402 Saint Martin d' Hères cedex, France;LIS Laboratory, Domaine Universitaire, BP 46, 38402 Saint Martin d' Hères cedex, France

  • Venue:
  • Graphical Models - Special issue: Discrete topology and geometry for image and object representation
  • Year:
  • 2003

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Abstract

Although surfaces are more and more often represented by dense triangulations, it can be useful to convert them to B-spline surface patches, lying on quadrangles. This paper presents a method for the construction of coarse topological quadrangulations of closed triangulated surfaces, based on Morse theory. In order to construct on the surface a quadrangulation of its canonical polygonal schema, we compute first a Reeb graph then a canonical set of generators embedded on the surface. Some results are shown on different surfaces.