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Title: Lofted catmull-clark subdivision surfaces
Authors: Nasri, Ahmad H
Abbas, Abdulwahed
Affiliations: Department of Computer Science 
Keywords: Computational geometry
Splines (mathematics)
Surface fitting
Subjects: Interpolation
Curv fitting
Issue Date: 2002
Publisher: IEEE
Part of: Geometric Modeling and Processing - Theory and Applications
Conference: Geometric Modeling and Processing, Theory and Applications Conference (10-12 July 2002 : Wako, Saitama, Japan, Japan) 
One essential interpolation constraint on subdivision surfaces is curve interpolation. Subdivision surfaces through predefined meshes of curves can now be generated using either variations of existing subdivision schemes or (in our case) polygonal complexes. This paper goes one step further; given a sequence of cross sectional curves (c/sub i/), each defined by a uniform cubic B-spline control polygon (cp/sub i/), we present a technique for generating a lofted subdivision surface through these curves. The advantages of using polygonal complexes coupled with subdivision surfaces are that curves do not have to be compatible and that it is possible to locally control the cross curvature of a given cross section.
Ezproxy URL: Link to full text
Type: Conference Paper
Appears in Collections:Department of Computer Science

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