Freeform tools in CAD systems

InhaltsverzeichnisI Presentations of CAD Systems.CATIA/IBM, Dassault.Curve and Surface Representation in Catia System.A Case for CAD.Digitising Sculptured Surfaces.ICEM / Control Data.Representations and Operations in the ICEM Systems.ICEM MESH — A Mesh Generation Tool for Free-Form Surfaces.STRIM/cisigraph.Practice of Computer Aided Geometric Design.SYRKO/Merces Benz.Car Body Design and Manufacturing with SYRKO.UNIGRAPHICS/McDonnel Douglas.Curves and Surfaces in Unigraphics and Parasolid.EUCLID / Matra.UNISURF IV — The advanced Solids & Surfaces Module of EUCLID-IS.II Visualisation System.WAVEFRONT — MENTAL RAY/mental images.High Quality Visualization of CAD Data.III Lectures on Developments for Interfaces.The Development Methodology of STEP and its Concept for Shape Representation.Integration of Physical “Phenomena” into CAD.General Matrix Representation for NURBS Curves and Surfaces for Interfaces.Approximate Conversion and Merging of Spline Surface Patches.IV Questionnaire on Curve/Surface/Volume Implementations.ANSWERS — Part I (EUCLID, STRIM, ICEM).ANSWERS — Part II (UNIGRAPHICS, SYRKO, CATIA).V Excerpts of the Panel Discussion.