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Isolating Geometry in Mesh Programming

Simpson, Bruce R.

Proceedings, 8th International Meshing Roundtable, South Lake Tahoe, CA, U.S.A., pp.45-54, October 1999

INTERNATIONAL
MESHING
ROUNTABLE

Bruce R. Simpson
Department of Computer Science, University of Waterloo Waterloo, Ontario, Canada, N2L 3G1
Email: rbsimpson@uwaterloo.ca

Abstract
We discuss enhancing the generalsty of 2-D unstructured mesh programming by isolating some geometric dependencies so that they can be easily changed. The specific task discussed is quality mesh generation for a 2-D manibid by local refinement with Delaunay insertion. The geometric dependencies that we wish to isolate are its embedded global coordinate system, including its dimension (planar or surface meshing), and its metric, (cureilinear coordinate systems, anisotropic meshing). We discuss object oriented techniques and a coordinate system local to the mesh triangles to enhance isolating these geometric features.

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