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首页> 外文会议>IASTED(International Association of Science and Technology for Development) International Conference on Graphics and Visualization in Engineering; 20070103-05; Clearwater,FL(US) >INTERACTIVE VISUALIZATION OF REGIONAL OCEAN MODELING SYSTEM
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INTERACTIVE VISUALIZATION OF REGIONAL OCEAN MODELING SYSTEM

机译：区域海洋建模系统的交互可视化

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摘要

This paper presents techniques for interactive visualization of the Regional Ocean Modeling System (ROMS), a free-surface, terrain-following coordinate ocean circulation model. We have designed an interactive visualization program that allows a casual user to control the forcing conditions applied to ROMS using a graphical user interface and observe the results in real-time. We modified portions of ROMS to facilitate user interaction with a Chesapeake Bay model. In order to achieve real-time interactive visualization, a low-resolution computational grid of the Chesapeake Bay was employed and a variety of techniques were utilized to achieve appealing visualizations similar to those created from high-resolution models. Texture mapping and alpha-channel blending were used to create a smooth boundary of the bay and filtering applied to adjacent grid points eliminates aliasing. The integrated simulation and visualization environment allows a user to control wind speed and direction along with the rate of How from the rivers that feed the bay. It also provides visualizations of water height, velocity, salinity across horizontal and vertical planes, and particle tracking. Many interesting oceano-graphic phenomena can be demonstrated with the interactive program, making it a tool that facilitates oceanographic teaching and research.
机译：本文介绍了区域海洋建模系统（ROMS）的交互式可视化技术，该系统是一种自由表面，遵循地形的坐标海洋环流模型。我们设计了一个交互式可视化程序，该程序允许临时用户使用图形用户界面控制应用于ROMS的强制条件，并实时观察结果。我们修改了ROMS的某些部分，以促进用户与切塞皮克湾模型的交互。为了实现实时交互式可视化，采用了切萨皮克湾的低分辨率计算网格，并采用了多种技术来实现类似于从高分辨率模型创建的有吸引力的可视化效果。使用纹理贴图和Alpha通道混合来创建海湾的平滑边界，并应用到相邻网格点的滤波消除了锯齿。集成的仿真和可视化环境使用户可以控制风速和风向以及向海湾输送河水的速度。它还提供水位，流速，水平和垂直平面上的盐度以及颗粒跟踪的可视化。交互式程序可以演示许多有趣的海洋学现象，使其成为促进海洋学教学和研究的工具。

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