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Ck Continuity of Subdivision Surfaces

Zorin, Denis (1996) Ck Continuity of Subdivision Surfaces. California Institute of Technology . (Unpublished) http://resolver.caltech.edu/CaltechCSTR:1996.cs-tr-96-23

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Use this Persistent URL to link to this item: http://resolver.caltech.edu/CaltechCSTR:1996.cs-tr-96-23

Abstract

Stationary subdivision is an important tool for generating smooth free-form surfaces for CAGD and computer graphics. One of the challenges in construction of subdivision schemes for arbitrary meshes is to guarantee that the limit surface will have smooth regular parameterization in a neighborhood of any point. First results in this direction were obtained only recently. In this paper we derive necessary and sufficient criteria for Ck -continuity that generalize and extend most known conditions. We create a general mathematical framework that can be used for analysis of more general types of schemes. Finally, we prove a degree estimate for Ck -continuous polynomial schemes generalizing an estimate of Reif [20] and give a practical sufficient condition for smoothness.


Item Type:Report or Paper (Technical Report)
Group:Computer Science Technical Reports
Record Number:CaltechCSTR:1996.cs-tr-96-23
Persistent URL:http://resolver.caltech.edu/CaltechCSTR:1996.cs-tr-96-23
Usage Policy:You are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format.
ID Code:26802
Collection:CaltechCSTR
Deposited By: Imported from CaltechCSTR
Deposited On:25 Apr 2001
Last Modified:26 Dec 2012 14:06

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