Geometric modelling : theoretical and computational basis towards advanced CAD applications : IFIP TC5/WG5.2 sixth International Workshop on Geometric Modelling, December 7-9, 1998, Tokyo, Japan

Preface. International Program Committee. Invited Papers. Degeneracy and Instability in Geometric Computation K. Sugihara. Industry Application of Geometric Modeling Technology - Major Future Issues and Some Challenges A. Ohtaka. Keynote Papers. Medial Axis Transform (MAT) of General 2D Shapes and 3D Polyhedra for Engineering Applications Y.-C. Chang, et al. Designing with Parametric CAD: Classification and Comparison of Construction Techniques J.J. Shah. Semantic and Multiple-view Feature Modelling: Towards More Meaningful Product Modelling W.F. Bronsvoort, et al. C-Space Approach to Tool-Path Generation for Sculptured Surface Machining B.K. Choi. User Interfaces for Geometric Modeling M. Shpitalni, H. Lipson. Required Features of CAD System as a Real Design Tool Kunwoo Lee. Geometric Modelling: Lessons Learned from the 'STEP' Standard M.J. Pratt. Feature and New Approaches in Geometric Modelling. Feature Management with Multiple Views Based on Convexity Properties of Shape Region H. Kojima, M. Higashi. Evolution of Interaction in Physically-Based Modelling M. Bordegoni, et al. Constraint Representation and Reduction based on Lie Algebra in Assembly Model H. Tokunaga, et al. Solid Modelling. Robust Boolean Set Operation by Symbol Processing of Topology M. Higashi, et al. Solid Modeling Using Boundary Integral Equations Y. Ochiai. Density Spatial Model for Computer Aided Industrial Design K. Sakita, M. Igoshi. Free-Form Surface Modelling. Streamline Modeling: Designing Free-Form Surfaces by Blending Tangent Vectors K.T. Miura, et al. The Bernstein-Bezier Surface on the Simplex Z. Liang, et al. An Automatic Offsetting Method of Composite Surfaces H. Kawabata, J. Ishida. Fillet Operations with Recursive Subdivision Surfaces Z. Xu, K. Kondo Intersection Calculation. Surface-Surface Intersection with Critical Point Detection Based on Bezier Normal Vector Surfaces Y. Yamaguchi, et al. A Sweep Line Algorithm for Polygonal Chain Intersection and its Applications S.C. Park, et al. Mesh Modelling and Reverse Engineering. Subdivision-based Mesh Refinement for Rapid Prototyping H. Suzuki, et al. Reverse Engineering of 3D Models based on Image Processing and 3D Scanning Techniques A. Manor, A. Fischer. Method to Generate Freeform Surfaces from Idea-Sketch and Three Dimensional Data T. Kuragano, et al.