Vertex-unfoldings of simplicial manifolds

  • Authors:
  • Erik D. Demaine;David Eppstein;Jeff Erickson;George W. Hart;Joseph O'Rourke

  • Affiliations:
  • MIT, Cambridge, MA;University of California, Irvine CA;University of Illinois at Urbana-Champaign;http://www.georgehart.com;Smith College, Northampton, MA

  • Venue:
  • Proceedings of the eighteenth annual symposium on Computational geometry
  • Year:
  • 2002

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Abstract

We present an algorithm to unfold any triangulated 2-manifold (in particular, any simplicial polyhedron) into a non-overlap-linebreak ping, connected planar layout in linear time. The manifold is cut only along its edges. The resulting layout is connected, but it may have a disconnected interior; the triangles are connected at vertices, but not necessarily joined along edges. We extend our algorithm to establish a similar result for simplicial manifolds of arbitrary dimension.