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The authors present Trex, a scalable system that takes advantage of parallel graphics hardware, software based compositing, and high performance I/O. The goals of the application are to provide near interactive display rates for time-varying, terabyte sized data sets and allow moderately sized datasets to be visualized in virtual environments. The authors also present a novel set of direct manipulation widgets for interacting with, and querying, the visualization.

A. McPherson et al., "Interactive Texture-Based Volume Rendering for Large Data Sets," in IEEE Computer Graphics and Applications, vol. 21, no. , pp. 52-61, 2001.
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