A local shape-preserving interpolation scheme for scattered data

被引：15
|
作者：
Costantini, P
Manni, C
机构：
[1] Univ Siena, Dipartimento Matemat, I-53100 Siena, Italy
[2] Univ Turin, Dipartimento Matemat, I-10123 Turin, Italy
来源：
COMPUTER AIDED GEOMETRIC DESIGN | 1999年 / 16卷 / 05期
关键词：
scattered data interpolation; tension methods; triangular macro-elements;
D O I：
10.1016/S0167-8396(99)00007-2
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper we present a new local method for constructing a C-1 function which interpolates triangulated scattered data sets. This function is made up by polynomial triangular macro-elements of adaptive degree, which are an extension of the Clough-Tocher cubic elements and tend to the interpolating planar triangular interpolant as the degrees tend to infinity. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：385 / 405
页数：21
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