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Paper I3DG (1990) “The ThingWorld modeling system: virtual sculpting by modal forces”

March 13th, 1990 Irfan Essa Posted in Bradley Horowitz, Sandy Pentland, Stan Sclaroff No Comments »

The ThingWorld modeling system: virtual sculpting by modal forces

  • A. Pentland, I. Essa, M. Friedmann, B. Horowitz, and S. E. Sclaroff (1990), “The Thingworld Modeling System: Virtual Sculpting by Modal Forces,” ACM SIGGRAPH Proceedings of Symposium on Interactive 3D Graphics (I3DG), vol. 24, iss. 2, pp. 143-144, 1990. [PDF] [DOI] [BLOG] [BIBTEX]
    @article{1990-Pentland-TMSVSMF,
      Author = {A. Pentland and I. Essa and M. Friedmann and B. Horowitz and S. E. Sclaroff},
      Blog = {http://prof.irfanessa.com/1990/03/13/thingworld-i3gd1990/},
      Date-Modified = {2011-12-13 23:07:06 +0000},
      Doi = {10.1145/91394.91434},
      Journal = {ACM SIGGRAPH Proceedings of Symposium on Interactive 3D Graphics (I3DG)},
      Month = {March},
      Number = {2},
      Pages = {143--144},
      Pdf = {http://www.cc.gatech.edu/~irfan/p/1990-Pentland-TMSVSMF.pdf},
      Title = {The Thingworld Modeling System: Virtual Sculpting by Modal Forces},
      Volume = {24},
      Year = {1990},
      Bdsk-Url-1 = {http://dx.doi.org/10.1145/91394.91434}}

Abstract

We describe a real-time solid modeling system that is based on the physical analogy of forming clay by applying forces. The system is implemented by simulating real materials as they react to user-supplied forces. Unlike other physically-based modeling approaches, the Thingworld system allows the user to restrict forming action to simple global deformations during the initial “roughing in” phase of modeling, and then later concern themselves with detailing. The Thingworld system also allows users to automatically model existing objects by using measurements taken from the object’s surface. These measurements are used to generate artificial forces that mold the computer model much as a human would mold a clay model. Timed examples for constructing solid models are shown.

via The ThingWorld modeling system: virtual sculpting by modal forces.

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