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 four-dimensional 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 Real-Time Cutting
A real-time cutting algorithm for virtual-reality surgical simulators is presented on polygonal objects with a mass-spring 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 vertex-path 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
7-3-1 Hongo, Bunkyo-ku
Tokyo 113-0033 JAPAN
henry@is.s.u-tokyo.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
Multigen-Paradigm, Inc.
365 America Avenue
Sunnyvale, California 94086 USA
gueziec@computer.org