Abstract
Abstract An efficient algorithm for curve interpolation is proposed. The algorithm can produce a subdivision surface that can interpolate the predefined cubic B-spline curves by applying the Catmull-Clark scheme to a polygonal mesh containing symmetric zonal meshes which possesses some special properties. Many kinds of curve interpolation problems can be dealt with by this algorithm such as interpolating single open curve or closed curve a mesh of nonintersecting or intersecting curve. The interpolating surface is C 2 everywhere excepting at a finite number of points. At the same time, sharp creases can also be modeled on the limit subdivision surface by duplicating the vertices of the tagged edges of initial mesh.i. e. the surface is only C 0 along the cubic B-spline curve that is defined by the tagged edges. Because of being simple and easy to implement, this method can be used for product shape design and graphic software development.
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