The distance of a subdivision surface to its control polyhedron (Q1048973)

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scientific article; zbMATH DE number 5655033
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The distance of a subdivision surface to its control polyhedron
scientific article; zbMATH DE number 5655033

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    The distance of a subdivision surface to its control polyhedron (English)
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    8 January 2010
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    The distances between surfaces which result from subdivision processes and their control polygons are investigated in this article. Bounds on the decay of the error between surface and polygon are established which allow to verify popular prediction methods for the aforementioned distance. Both sharp bounds and upper estimates are given in different cases.This is an important issue in implementations because it checks the approximation of the desired surface. Practical examples and generalizations are provided too.
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    subdivision surface
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    control polyhedron
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    convergence
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    distance
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    characteristic spline
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    lower bound
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    box-spline
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