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Conditions for tangent plane continuity over recursively generated B-spline surfaces
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Source ACM Transactions on Graphics (TOG) archive
Volume 7 ,  Issue 2  (April 1988) table of contents
Pages: 83 - 102  
Year of Publication: 1988
ISSN:0730-0301
Authors
A. A. Ball  Loughborough Univ. of Technology, Loughborough, Leicestershire, UK
D. J. T. Storry  Loughborough Univ. of Technology, Loughborough, Leicestershire, UK
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 7,   Downloads (12 Months): 47,   Citation Count: 20
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ABSTRACT

The continuity properties of recursively generated B-spline surfaces over an arbitrary topology have been related to the eigenproperties of the local subdivision transformation. In this paper a discrete Fourier transform technique is employed to derive these eigenproperties for a general choice of subdivision weightings. Conditions on these weightings are identified for tangent plane continuity at the extraordinary points and a geometric interpretation is given.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
1
BALL, A. A., AND STORR~, D. J. T. Recursively generated B-spline surfaces. In CAD84, Proceedings (Brighton, Sussex, U.K., Apr. 3-5). Butterworth, Woburn, Mass., 1984, pp. 112-119.
 
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CATMULL, E., AND CLARK, J. Recursively generated B-spline surfaces on arbitrary topological meshes. Comput. Aided Des. 10 (1978), 350-355.
 
4
Doo, D., AND SABIN, M.A. Behaviour of recursive division surfaces near extraordinary points. Comput. Aided Des. 10 (1978), 356-360.
 
5
GORDON, W. J., AND RIESENFELD, R.F. B-spline curves and surfaces. In Computer Aided Geometric Design. Academic Press, New York, 1974.
6
 
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STORRY, D. J. T. B-spline surfaces over an irregular topology by recursive subdivision. Ph.D. dissertation, Loughborough Univ. of Technology, Leicestershire, England, 1985.

CITED BY  20


REVIEW

"Alexander H. Kushkulei : Reviewer"

The authors study some properties of surfaces which can be constructed by iteratively “knocking off” corners of an arbitrary polyhedron. Various versions of this recursive subdivision technique were proposed and evaluated by Catmull   more...

Collaborative Colleagues:
A. A. Ball: colleagues
D. J. T. Storry: colleagues