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Designing B-Spline Surfaces With Haptics Based on Energy Minimization Method

[+] Author Affiliations
Xiaodong Liu

Hebei University of Technology, Tianjin, China

Paper No. DETC2012-70740, pp. 1509-1516; 8 pages
doi:10.1115/DETC2012-70740
From:
  • ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B
  • Chicago, Illinois, USA, August 12–15, 2012
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4501-1
  • Copyright © 2012 by ASME

abstract

Designing B-Spline Surfaces is difficult and cumbersome with traditional 2D based interfaces, e.g., a 2D mouse. Based on energy minimization or variational surfacing technique, the paper presents a technique for using a haptic device to design B-Spline surfaces. In our system, a haptic interface is used to directly manipulate/design key constraints in a natural 3D environment, and the system uses energy minimization method to generate the “smoothest” B-Spline surface that satisfies these constraints in real-time. The discussed technique is significantly much more efficient and powerful than previous research, and without any pre-calculation, it can solve a B-Spline surface with up to 20,000 control points in real-time and, at the same time, produce high quality B-Spline surfaces satisfying an arbitrary combination of point and curve constraints.

Copyright © 2012 by ASME

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