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Interpolation to C1 boundary conditions by polynomial of degree six

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4 Author(s)
Caiming Zhang ; Sch. of Comput. Sci. & Technol., Shandong Univ., Jinan, China ; Feng Li ; Dongmei Niu ; Xingqiang Yang

A new method for constructing triangular patches to pass the C1 interpolation conditions (boundary curves and cross-boundary slopes), on the boundary of triangles is presented. The triangular patch is constructed by a basic triangular operator and an error triangular operator. The basic operator is a polynomial of degree six, which approximates the interpolation conditions with a higher approximation precision, while the error operator is constructed by the side-vertex method, which passes the C1 error boundary conditions. The C1 error boundary conditions are formed by the C1 interpolation conditions minus the boundary curves and cross-boundary slopes taken from the basic operator. The basic operator and the error operator are put together to form the triangular patch. Comparison results of the new method with other two methods are included.

Published in:

Shape Modeling and Applications, 2009. SMI 2009. IEEE International Conference on

Date of Conference:

26-28 June 2009