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Physics-based visualization of dense natural clouds. II. Cloud-rendering algorithm

机译:基于物理的密集自然云可视化。二。云渲染算法

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We discuss the representation of aerosol-scattering properties, boundary information, and the use of these results in line-of-sight rendering applications for visualization of a modeled atmosphere based on a discrete ordinates three-dimensional radiative-transport method. The outputs of the radiative-transfer model provide spatial and angular distributions of limiting path radiance, given an input density distribution and external illumination conditions. We discuss the determination of the direct attenuated radiance, integrated path radiance, and background radiance for each pixel in the rendered scene. Orthographic and perspective projection approaches for displaying these results are described, and sample images are shown. OCIS codes: 010.1290, 010.1300, 010.1310, 280.1310, 290.1090, 290.4020, 010.1320.
机译:我们讨论了气溶胶散射特性,边界信息的表示,以及在基于离散坐标三维辐射传输方法的可视化大气建模的视线渲染应用程序中这些结果的使用。给定输入密度分布和外部照明条件,辐射传递模型的输出提供了限制路径辐射的空间和角度分布。我们讨论了渲染场景中每个像素的直接衰减辐射,积分路径辐射和背景辐射的确定。描述了用于显示这些结果的正交投影和透视投影方法,并显示了示例图像。 OCIS代码:010.1290、010.1300、010.1310、280.1310、290.1090、290.4020、010.1320。

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