Maintaining Visibility Information of Planar Point Sets with a Moving Viewpoint

Olivier Devillers (1) , Vida Dujmovic (2) , Hazel Everett (3) , Samuel Hornus (4) , Steve Wismath (5) , Sue Whitesides (6)

1 GEOMETRICA - Geometric computing
2 School of Computer Science [Ottawa]
3 VEGAS - Effective Geometric Algorithms for Surfaces and Visibility
4 ARTIS - Acquisition, representation and transformations for image synthesis
5 Department of Mathematics and Computer Science
6 Department of Mathematics and Statistics [Montréal]

Given a set of n points in the plane, we consider the problem of computing the circular ordering of the points about a viewpoint q and efficiently maintaining this ordering information as q moves.

Domaines: Géométrie algorithmique [cs.CG]

Olivier Devillers, Vida Dujmovic, Hazel Everett, Samuel Hornus, Steve Wismath, et al.. Maintaining Visibility Information of Planar Point Sets with a Moving Viewpoint. 17th Canadian Conference on Computational Geometry - CCCG'2005, Aug 2005, Windsor, Canada. ⟨inria-00000569⟩