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Erschienen in:
1992 | OriginalPaper | Buchkapitel
Surface Intersections
verfasst von : Mamoru Hosaka
Erschienen in: Modeling of Curves and Surfaces in CAD/CAM
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Interference calculation of surfaces is an important basic procedure in CAD/CAM technology. It appears in various processes such as set operations in solid modelling, surface modelling, cutter path calculation for NC machining, and calculations in robot motion. Efficiency and robustness of its solutions are required especially for those of free-form surfaces, because the degree of intersection curves becomes so high that their analytical methods are generally hopeless and the numerical methods become unstable where the normal vectors of interfering surfaces on their intersecting curves become nearly parallel.