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Robert Hero , University of California, Davis, Davis
Chris Ho , University of California, Davis, Davis
Kwan-Liu Ma , University of California, Davis, Davis
ABSTRACT
In this paper, we present a high quality and interactive method for volume rendering curvilinear-grid datasets. This method is based on a two-stage parallel transformation of the sample position into intermediate computational space then into texture space through the use of multiple 1 and 2D deformation textures using hardware acceleration. In this manner, it is possible to render many curvilinear-grid volume datasets at high quality and with a low memory footprint, while taking advantage of modern graphic hardware's tri-linear filtering for the data itself. We also extend our method to handle volume shading. We present a comprehensive study and comparisons with previous works, we show improvements both in quality and performance using our technique on multiple curvilinear datasets.
INDEX TERMS
Computing Methodologies, Volume visualization, Visualization techniques and methodologies, Simulation, Modeling, and Visualization, Visualization, Flow visualization, Raytracing, Three-Dimensional Graphics and Realism, Computer Graphics
CITATION
Robert Hero, Chris Ho, Kwan-Liu Ma, "Volume Rendering of Curvilinear-Grid Data using Low-Dimensional Deformation Textures", IEEE Transactions on Visualization & Computer Graphics, , no. 1, pp. 1, PrePrints PrePrints, doi:10.1109/TVCG.2013.264
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