Combining physical and visual simulation—creation of the planet Jupiter for the film “2010”

L. Yaeger, C. Upson, R. Myers
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引用次数: 109

Abstract

By integrating physical simulation, in the form of numerical fluid dynamics, with visual simulation, in the form of particle rendering, texture mapping and traditional polygonal modeling techniques, we have achieved a uniquely realistic and organic special effects sequence of a planetary atmospheric flow. This paper examines the selection, implementation, and application of these techniques, know collectively as VORTEX, to produce the moving images of the planet Jupiter in the film "2010." Details of the generation of the flow field and the fluid dynamic algorithms employed are presented, along with issues relating to the generation and updating of the atmospheric images. We also describe the integration of these techniques with an advanced computer graphics imaging system. The VORTEX system provides a fairly general solution to a class of imaging problems involving two-dimensional fluid flows, and we remark upon its application to other projects. VORTEX, as an example of the marriage of physical simulation to visual simulation, demonstrates the importance of computer graphics to the computational sciences and of the physical sciences to the field of computer graphics.
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物理与视觉相结合的模拟——电影《2010》中木星的创作
通过将数值流体力学形式的物理模拟与粒子渲染、纹理映射和传统多边形建模技术形式的视觉模拟相结合,我们实现了一个独特的、真实的、有机的行星大气流特效序列。本文考察了这些技术的选择、实施和应用,这些技术统称为VORTEX,用于制作电影“2010”中木星的运动图像。详细介绍了流场的生成和所采用的流体动力学算法,以及与大气图像的生成和更新有关的问题。我们还描述了这些技术与先进的计算机图形成像系统的集成。涡旋系统为一类涉及二维流体流动的成像问题提供了一个相当通用的解决方案,我们评论了它在其他项目中的应用。VORTEX作为物理模拟与视觉模拟结合的一个例子,展示了计算机图形学对计算科学和物理科学对计算机图形学领域的重要性。
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