Volume rendering visualization of 3D spherical mantle convection with an unstructured mesh

Volume rendering visualization of 3D spherical mantle convection with an unstructured mesh
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使用非结构化网格进行 3D 球形地幔对流的体积渲染可视化

DOI:
10.1007/s10069-008-0012-0
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发表时间:
2008-06
期刊:
Visual Geosciences
影响因子:
--
通讯作者:
张怀
张怀
中科院分区:
其他
文献类型:
--
作者:
张怀

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提出了一种新的方法,利用硬件辅助的可见性排序(HAVS)算法在三维体绘制的球形地幔对流模拟结果在非结构化网格配置。我们还将分享我们的经验,使用三种不同的球形对流代码,然后充分利用可视化技术的增强效率,这是基于HAVS技术和相关的传递函数。传递函数是一个强大的工具,专门用于编辑和探索来自给定环境设置的数值计算的大规模数据集,并生成分层数据结构,未来将用于快速访问GPU可视化设施。该方法避免了分布式并行万亿级或千万亿级体系结构对I/O空间和网络流量的巨大需求,满足了地幔对流三维实时可视化的迫切需求。
We propose a new approach to utilize the algorithm of hardware-assisted visibility sorting (HAVS) in the 3D volume rendering of spherical mantle convection simulation results over unstructured grid configurations. We will also share our experience in using three different spherical convection codes and then taking full advantages of the enhanced efficiency of visualization techniques, which are based on the HAVS techniques and related transfer functions. The transfer function is a powerful tool designed specifically for editing and exploring large-scale datasets coming from numerical computation for a given environmental setting, and generates hierarchical data structures, which will be used in the future for fast access of GPU visualization facilities. This method will meet the coming urgent needs of real-time visualization of 3D mantle convection, by avoiding the demands of huge amount of I/O space and intensive network traffic over distributed parallel terascale or petascale architecture.
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