Titlebook: Geometric Modelling; G. Farin,H. Noltemeier,W. Knödel Conference proceedings 1993 Springer-Verlag/Wien 1993 Nurbs.Spline.Splines.Topologie

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https://doi.org/10.1007/978-3-476-99458-5ints by using ratios of areas (or volumes) of certain regions. We add insight into the structure of the local coordinates by proving some of their basic properties by deriving formulas for their gradients from some simple geometry and proving the properties of smoothness and linear precision.

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High Order Continuous Polygonal Patches,ethod is relatively easy to implement, since it only requires .. extensions of the rectangular patch complex defined in terms of the rectangular patch parameterizations. The method is illustrated by reference to .. bicubic B-spline surfaces.

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https://doi.org/10.1007/978-3-476-99123-2s statement still holds if we demand that the cluster radii, which appear on a path from the root down to a leaf, should generate a geometrically decreasing sequence..We report on extensive experimental results which show that .* Trees support a large variety of proximity queries by a single data st

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Best Practices und Risiken im Online-Handel,ature definition language which will permit the integrated system to be configured flexibly to meet the precise requirements of any organisation using it. This will also have strong implications on the development of standards for the transfer of CAD information between different systems.