Abstract
Geometry Processing is the extraction of geometric features from an already constructed curve or surface. This paper concentrates on two aspects of geometry processing: curvature analysis and surface-surface intersections. Curvature analysis is a means of interrogating the higher order smoothness of curves and surfaces. A curve fairing method utilizing curvature plots is discussed. Curvature analysis for surfaces is used to determine the fairness of surfaces and to measure the effects of different choices of twists for bicubic patches. Surface-surface intersections of parametric patches is an important topic in geometric modelling. Our algorithm for surface-surface intersection is presented, including its application to offset surfaces.
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