A high accuracy volume renderer for unstructured data
نویسندگان
چکیده
منابع مشابه
A High Accuracy Volume Renderer for Unstructured Data
This paper describes a volume rendering system for unstructured data, especially finite element data, that creates images with very high accuracy. The system will currently handle meshes whose cells are either linear or quadratic tetrahedra. Compromises or approximations are not introduced for the sake of efficiency. Whenever possible, exact mathematical solutions for the radiance integrals inv...
متن کاملParallelizing a High Accuracy Hardware-Assisted Volume Renderer for Meshes with Arbitrary Ployhedra
This paper discusses our efforts to improve the performance of the high-accuracy (HIAC) volume rendering system, based on cell projection, which is used to display unstructured, scientific data sets for analysis. The parallelization of HIAC, using the pthreads and MPI API’s, resulted in significant speedup, but interactive frame rates are not yet attainable for very large data sets.
متن کاملA Parallel Pipelined Renderer for Time-Varying Volume Data
This paper presents a strategy for efficiently rendering time-varying volume data on a distributed-memory parallel computer. Visualizing time-varying volume data take both large storage space and long computat ion time. Instead of employing all processors to render one volume at a time, a pipelined rendering approach partitions processors into groups so that multiple volumes can be rendered con...
متن کاملA Parallel Pipelined Renderer for the Time-Varying Volume Data
This paper presents a strategy for efficiently rendering time-varying volume data sets on a distributedmemory parallel computer. Time-varying volume data take large storage space and visualizing them requires reading large files continuously or periodically throughout the course of the visualization process. Instead of using all the processors to collectively render one volume at a time, a pipe...
متن کاملHigh-Quality Unstructured Volume Rendering
For the visualization of volume data the application of transfer functions is used widely. In this area the preintegration technique allows high quality visualizations and the application of arbitrary transfer functions. For regular grids, this approach leads to a two-dimensional pre-integration table which easily fits into texture memory. In contrast to this, unstructured meshes require a thre...
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ژورنال
عنوان ژورنال: IEEE Transactions on Visualization and Computer Graphics
سال: 1998
ISSN: 1077-2626
DOI: 10.1109/2945.675650