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Published in

IEEE Visualization, 2002. VIS 2002.

DOI: 10.1109/visual.2002.1183762

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Volume clipping via per-fragment operations in texture-based volume visualization

Proceedings article published in 2002 by D. Weiskopf, K. Engel ORCID, T. Ertl
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We propose new clipping methods that are capable of using complex geometries for volume clipping. The clipping tests exploit per-fragment operations on the graphics hardware to achieve high frame rates. In combination with texture-based volume rendering, these techniques enable the user to interactively select and explore regions of the data set. We present depth-based clipping techniques that analyze the depth structure of the boundary representation of the clip geometry to decide which parts of the volume have to be clipped. In another approach, a voxelized clip object is used to identify the clipped regions.