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Direct volume rendering of unstructured grids in a PC based VR environment

: Benölken, P.; Graf, H.

Skala, V. ; European Association for Computer Graphics -EUROGRAPHICS-:
WSCG 2005. Proceedings
Plzen: University of West Bohemia, 2005 (Journal of WSCG 13,1-3)
ISSN: 1213-6972
International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG) <13, 2005, Plzen, Czech Republic>
Fraunhofer IGD ()
Fraunhofer IWU ()
volume rendering; Virtual reality (VR); geometry compression; unstructured grid

In this paper we present our solution for fast, direct volume rendering of unstructured grids on standard PC workstations. We describe our modification of the incremental slicing approach for achieving high performance as well as our implementation of geometry-compression methods for minimizing the memory requirements. Furthermore, we show our implementation for the interactive modification of transfer functions (classification) in a virtual reality environment by using 3D interaction widgets.