Ray Intersection of Tessellated Surfaces: Quadrangles versus Triangles
Schlick Christophe and Subrenat Gilles subrenat@labri.u-bordeaux.fr, Laboratoire Bordelais de Recherche en Informatique (LaBRI) Talence, France; Laboratoire Bordelais de Recherche en Informatique (LaBRI) Talence, France. E-mail address: schlick@labri.u-bordeaux.fr
Introduction
Tessellating a surface into triangular facets for manipulation or visualization has become a very popular technique in computer graphics. Several reasons explain this popularity. First, a triangle in three-dimensional space is always convex and necessarily planar, whereas this does not hold for a facet having four or more vertices. Second, fast triangulation techniques have been developed ...
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