Fast Global Illumination for Visualizing Isosurfaces with a 3D Illumination Grid

Authors:
David C. Banks;Kevin Beason
Affiliations:
University of Tennessee/Oak Ridge National Laboratory Joint Institute for Computational Science;Rhythm and Hues Studios
Venue:
Computing in Science and Engineering
Year:
2007

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Abstract

Users who examine isosurfaces of their 3D data sets generally view them with local illumination because global illumination is too computationally intensive. By storing the precomputed illumination in a texture map, visualization systems can let users sweep through globally illuminated isosurfaces of their data at interactive speeds.