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A Flexible Method for Haptic Rendering of Isosurface from Volumetric Data

  • Bob Ménélas
  • Mehdi Ammi
  • Patrick Bourdot
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5024)

Abstract

Our work proposes a haptic interaction technique for the rendering of isosurfaces. A virtual contact point is computed corresponding to the most suitable isovalue position in a 3D data grid. With this method we can freely explore and understand complex data fields without explicitly computing the geometry of the isosurface, nor having any intermediate representation. Thus, a very fast haptic rendering loop is easily obtainable. Moreover, our approach is flexible because the contact detection and force feedback computation are automatically adapted to take into account regions presenting high spatial frequency data as in the CFD case.

Keywords

Computational Fluid Dynamics(CFD) Haptic Volumic Rendering High Spatial Frequency Isosurface Large Data set Massive data sets 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Bob Ménélas
    • 1
  • Mehdi Ammi
    • 1
  • Patrick Bourdot
    • 1
  1. 1.CNRS-LIMSI, V&AR “VENISE” teamUniversity of Paris-Sud XIOrsayFrance

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