Near-Field Photometry: Measuring and Modeling Complex 3-D Light Sources
Near-Field Photometry: Measuring and Modeling Complex 3-D Light Sources
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近场光度测量：复杂 3D 光源的测量和建模
DOI：
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发表时间：
1995
期刊：
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通讯作者：
I. Ashdown
中科院分区：
文献类型：
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作者：
I. Ashdown
本文提出了一种方法，基于场理论的光度学方法，准确，有效地测量和建模任意复杂的三维光源。它允许预测周围3-D空间内任何地方任何表面上任何点的直接照度，而不需要任何关于光源几何形状或其与被照明表面距离的知识。该方法很容易与光线跟踪技术和光能传递方法集成，包括多处理器实现。注意事项：这是一篇名为“复杂三维光源建模”的论文的修订版，该论文发表在ACM SIGGRAPH '93课程22注释中，“使光能传递实用化”。
This paper presents a method that, based on a field-theoretic approach to photometry, accurately and efficiently measures and models arbitrarily complex three-dimensional light sources. It allows the prediction of direct illuminance at any point on any surface anywhere within the surrounding 3-D space without requiring any knowledge of the geometry of the source or its distance from the surface being illuminated. The method is easily integrated with ray tracing techniques and radiosity methods, including multiprocessor implementations. NOTE: this is a revised version of a paper called “Modeling Complex 3-D Light Sources” that was presented in ACM SIGGRAPH ‘93 Course 22 Notes, “Making Radiosity Practical.”