使用纹理映射硬件的交互式海洋模型可视化

A. McPherson, M. Maltrud
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引用次数: 17

摘要

全球环流模式用于了解影响地球气候的过程,并可能最终用于评估人类活动对地球气候的影响。洛斯阿拉莫斯开发的POP海洋模型就是这种全球环流模型的一个例子,它被用来研究海洋在气候系统中的作用。传统上,POP输出的数据是使用视频技术进行可视化的,这妨碍了快速修改可视化参数和技术。本文描述了一个可视化系统,该系统利用高速图形硬件,特别是纹理映射硬件,将数据探索加速到交互速率。我们描述了系统的设计,所使用的具体硬件功能,并提供了使用实例。该系统能够以每秒60帧的速度查看海洋环流模拟结果,同时以每秒约7200万像素的速度加载纹理存储器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
POPTEX: Interactive ocean model visualization using texture mapping hardware
Global circulation models are used to gain an understanding of the processes that affect the Earth's climate and may ultimately be used to assess the impact of humanity's activities on it. The POP ocean model developed at Los Alamos is an example of such a global circulation model that is being used to investigate the role of the ocean in the climate system. Data output from POP has traditionally been visualized using video technology which precludes rapid modification of visualization parameters and techniques. This paper describes a visualization system that leverages high speed graphics hardware, specifically texture mapping hardware, to accelerate data exploration to interactive rates. We describe the design of the system, the specific hardware features used, and provide examples of its use. The system is capable of viewing ocean circulation simulation results at up to 60 frames per second while loading texture memory at approximately 72 million texels per second.
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