
Geometry
Chair
Bryan Wyvill
University of Calgary
Polytope Sections
Using animation to compare the parallel plane sections of polyhedra with the parallel solid sections of fourdimensional star polytopes. The series of solid sections produces morphing polyhedra.
Russell Towle
Giant Gap Press
898 Green Valley Road
Alta, California 95714 USA
rtowle@neworld.net
Near RealTime Cutting
A realtime cutting algorithm for virtualreality surgical simulators is presented on polygonal objects with a massspring lattice.
Paul F. Neumann
University of Illinois at Chicago
Virtual Reality in Medicine Laboratory
1919 West Taylor Street, Room 211 AHP
Chicago, Illinois 60612 USA
paul_neumann@acm.org
A Solution to the Vertex Path Problem Using a Dependency Graph
This solution to the vertexpath problem uses a dependency graph. The source and the target shapes can have more than one piecewise linear curve.
Henry Johan
University of Tokyo
Department of Information Science
731 Hongo, Bunkyoku
Tokyo 1130033 JAPAN
henry@is.s.utokyo.ac.jp
"MeshSweeper:" Fast Closest Point on a Polygonal Mesh
A new algorithm for computing the distance from a point to an arbitrary polygonal mesh. The algorithm is dynamic. It uses a priority process to exploit coherence between subsequent queries.
Andre Gueziec
MultigenParadigm, Inc.
365 America Avenue
Sunnyvale, California 94086 USA
gueziec@computer.org

