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A Haptic Pottery Modeling System Using GPU-Based Circular Sector Element Method  

Lee, Jae-Bong (LG전자 DS연구소)
Han, Gab-Jong (POSTECH 컴퓨터공학과)
Choi, Seung-Moon (POSTECH 컴퓨터공학과)
Publication Information
Journal of KIISE:Software and Applications / v.37, no.8, 2010 , pp. 611-619 More about this Journal
Abstract
This paper presents an efficient modeling system of virtual pottery in which the user can deform a body of virtual clay with a haptic tool for E-learning. We propose a Circular Sector Element Method (CSEM) which represents the virtual pottery with a set of circular sector elements based on the cylindrical symmetry of pottery. Efficient algorithms for collision detection and response, interactions between adjacent elements, and GPU-based visual-haptic synchronization are designed and implemented for the CSEM. Empirical evaluation showed that the modeling system is computationally efficient with finer details and provides convincing model deformation and force feedback. The developed system, if combined with educational contents, is expected to be used as an effective E-learning platform for elementary school students.
Keywords
Pottery modeling; Virtual clay; Haptic rendering; Deformable object rendering; GPU-based rendering ;
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