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Volume Rendering of Curvilinear-Grid Data using Low-Dimensional Deformation Textures
PrePrint
ISSN: 1077-2626
Robert Hero, University of California, Davis, Davis
Chris Ho, University of California, Davis, Davis
Kwan-Liu Ma, University of California, Davis, Davis
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 and Computer Graphics, 17 Dec. 2013. IEEE computer Society Digital Library. IEEE Computer Society, <http://doi.ieeecomputersociety.org/10.1109/TVCG.2013.264>
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