**Chair: Kevin Weiler**

**Radial Basis Function Interpolation Surface On Space Mesh**

An algorithm for constructing a smooth interpolation surface on space mesh. The algorithm is a generalization of a radial basis function interpolation surface defined on an approximation surface.

Baocai Yin

Beijing Polytechnic University

ybc@jdl.mcel.mot.com

Wen Gao

Harbin Institute of Technology

wgao@jdl.mcel.mot.com

**Automatic Reconstruction of Complex 3D Models from a Set of Polylines**
A rapid, precise, and efficient algorithm for computation of 3D models such as those used by the CAD, medical, and scientific visualization industries.

Toshi Chang

Luis Canales

Tom Ledoux

CogniSeis Development

toshi@cogniseis.com

**Using CSG Representations of Polygons for Practical Point-in-Polygon Tests**
A CSG representation for polygons used to perform point-in-polygon tests and compared to existing methods. It is far less memory-intensive than the grid method and faster than basic methods.

Robert Walker

Jack Snoeyink

University of British Columbia

walker@cs.ubc.ca

**Varying Spring Constants for Accurate Simulation of Elastic Materials**
A formula for varying the spring constants in an irregular triangulated spring mesh so that it accurately simulates an elastic membrane. Two QuickTime movies presented test results.

Allen Van Gelder

Jane Wilhelms

University of California, Santa Cruz

avg@cs.ucsc.edu

wilhelms@cs.ucsc.edu