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Computing Direct Shadows Cast by Convex Polyhedra

Julien Demouth 1 Xavier Goaoc 2 
2 VEGAS - Effective Geometric Algorithms for Surfaces and Visibility
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We present an exact method to compute the boundaries between umbra, penumbra and full-light regions cast on a plane by a set of disjoint convex polyhedra, some of which are light sources. This method builds on a recent characterization of topological visual event surfaces presented in a companion paper.
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Submitted on : Thursday, November 12, 2009 - 3:07:06 PM
Last modification on : Wednesday, February 2, 2022 - 3:51:31 PM
Long-term archiving on: : Thursday, June 17, 2010 - 6:29:40 PM


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  • HAL Id : inria-00431544, version 1



Julien Demouth, Xavier Goaoc. Computing Direct Shadows Cast by Convex Polyhedra. 25th European Workshop on Computational Geometry - EuroCG 2009, Mar 2009, Brussels, Belgium. ⟨inria-00431544⟩



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