Reversible polygonalization of a 3d planar discrete curve: application on discrete surfaces

  • Authors:
  • Isabelle Sivignon;Florent Dupont;Jean-Marc Chassery

  • Affiliations:
  • Laboratoire LIS, Domaine universitaire Grenoble, St Martin d'Hères, France;Laboratoire LIRIS, Université Claude Bernard Lyon 1, Villeurbanne, France;Laboratoire LIS, Domaine universitaire Grenoble, St Martin d'Hères, France

  • Venue:
  • DGCI'05 Proceedings of the 12th international conference on Discrete Geometry for Computer Imagery
  • Year:
  • 2005

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Abstract

Reversible polyhedral modelling of discrete objects is an important issue to handle those objects. We propose a new algorithm to compute a polygonal face from a discrete planar face (a set of voxels belonging to a discrete plane). This transformation is reversible, i.e. the digitization of this polygon is exactly the discrete face. We show how a set of polygons modelling exactly a discrete surface can be computed thanks to this algorithm.