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Volume 13 Issue 1
January  1998
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Hu Shimin, Wang Guojin, Sun Jiaguang. A Type of Triangular Ball Surface and its Properties[J]. Journal of Computer Science and Technology, 1998, 13(1): 63-72.
Citation: Hu Shimin, Wang Guojin, Sun Jiaguang. A Type of Triangular Ball Surface and its Properties[J]. Journal of Computer Science and Technology, 1998, 13(1): 63-72.
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A Type of Triangular Ball Surface and its Properties

  • Department of Computer Science and Technology; Tsinghua University Beijing 100084; P.R. China Department of Applied Mathematics; Zhejiang University; Hangzhou 310027; P.R. China;

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  • Published Date: January 09, 1998
    Abstract
  • A new type of bivariate generalized Ball basis function on a triangle is presented for free-form surface design. Some properties of the basis function are given, then degree elevation, recursive evaluation and some other properties of the generalized Ball surfaces are also derived. It is shown that the proposed recursive evaluation algorithm is more efficient than those of the old surfaces.
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    • References (3)
  • [1]
    Ball A A. CONSURF, Part 1: Introduction to conic lofting title. Computer Aided Design, 1974, 6:243-249.
    [2]
    Ball A A. CONSURF, Part 2: Description of the algorithms. Computer Aided Design, 1975, 7:237-242.
    [3]
    Ball A A. CONSURF, Part 3: How the program is used. Computer Aided Design, 1977, 9: 9-12. ……….
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