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Fine level feature editing for subdivision surfaces

Khodakovsky, Andrei and Schröder, H. (1999) Fine level feature editing for subdivision surfaces. In: SMA '99 Proceedings of the fifth ACM symposium on Solid modeling and applications. ACM , New York, NY, pp. 203-211. ISBN 1-58113-080-5.

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In many industrial design modeling scenarios the designer wishes to edit small feature lines-such as variable width and height creases--on otherwise smooth surface patches. When the path of such a feature does not align with an iso-parameter line or crosses patch boundaries it becomes increasingly difficult to maintain good editing semantics of the underlying surface. In this paper we describe an algorithm and implementation allowing the interactive creation and manipulation of fine scale feature curves on subdivision surfaces. In particular, our approach addresses the problem of defining the path of such feature curves independent of the location of surface iso-parameter lines and global patch boundaries. The feature lines are modeled as swept displacement curves with variable profiles, providing a rich toolbox of shapes. Furthermore, the hierarchical editing semantics of subdivision surface based representations carry through to our extended setting, ensuring “good” behavior of the feature lines under coarse scale surface edits.

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Additional Information:© 1999 ACM. The research reported here is supported in part through a NSF CAREER award (ASC-9624957). Other generous support was provided by the Sloan Foundation, the Okawa Foundation, an IBM partnership award, and Alias|wavefront. Very special thanks to Khrysaundt Koenig for living on the bleeding edge of our modeler. Thanks also to the folks at DesignWorks/USA, Steven Schkolne, and Jim Barry for many discussions on modeling. We also wish to thank the anonymous reviewers for their helpful comments.
Funding AgencyGrant Number
Alfred P. Sloan FoundationUNSPECIFIED
Okawa FoundationUNSPECIFIED
Subject Keywords:multiresolution editing, hierarchical modeling, subdivision, feature modeling, surface deformation
Record Number:CaltechAUTHORS:20161116-144952207
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Official Citation:Andrei Khodakovsky and Peter Schröder. 1999. Fine level feature editing for subdivision surfaces. In Proceedings of the fifth ACM symposium on Solid modeling and applications (SMA '99). ACM, New York, NY, USA, 203-211. DOI=
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:72067
Deposited On:17 Nov 2016 00:55
Last Modified:11 Nov 2021 04:55

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