RESEARCH PAPERS: Design Automation Papers

On the Skeleton of Simple CSG Objects

[+] Author and Article Information
D. Dutta

Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109

C. M. Hoffmann

Computer Science Department, Purdue University, West Lafayette, IN 47907

J. Mech. Des 115(1), 87-94 (Mar 01, 1993) (8 pages) doi:10.1115/1.2919330 History: Received February 01, 1990; Revised May 01, 1991; Online June 02, 2008


The skeleton (medial-axis surface) of an object is the locus of all points in the object’s interior that have equal minimum distance from at least two distinct parts of the boundary. The skeleton can be used in blending, motion planning, medical tomography, computer vision, and in mesh generation. We discuss some simple but frequently encountered shape elements of the skeleton of CSG objects, and investigate properties of trimming surfaces delimiting the faces of skeletons.

Copyright © 1993 by The American Society of Mechanical Engineers
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