Path tracing in production - part 2: making movies
Path tracing in production - part 2: making movies
复制标题
制作中的路径追踪 - 第 2 部分：制作电影
DOI：
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
A. Mazzone
中科院分区：
文献类型：
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作者：
Luca Fascione;J. Hanika;Rob Pieké;Christophe Hery;Ryusuke Villemin;Thorsten;Christopher D. Kulla;D. Heckenberg;A. Mazzone
在过去的几年里，电影制作业朝着使用基于物理的方法渲染的方向迈出了决定性的一步，这些方法主要是在路径跟踪方面实现的。当路径跟踪出现在大多数VFX工作室和动画工作室的时候，基于物理的渲染方法，特别是材质建模已经牢固地建立起来，新的工具带来了一个全新的平衡，许多新的工作流程已经发展到找到一个新的平衡。对于一些人来说，放弃基于以前辛苦学到的经验教训的本能是具有挑战性的，新技术的实际部署出现了许多不同的看法。虽然技术总监可以使用的语言和工具包不断缩小现实世界中的照明与软件中运行的光传输模拟之间的差距，但了解模拟模型的局限性以及对所起作用的权衡和近似有良好的直觉对于有效利用可用资源至关重要。在本课程中，向包括技术总监、艺术家和研究人员在内的广大受众展示了在许多大型设施的过渡过程中出现的新颖工作流程。这是分两部分的课程的第二部分。第一部分关注架构和实现，第二部分关注使用模式和工作流。
The last few years have seen a decisive move of the movie making industry towards rendering using physically-based methods, mostly implemented in terms of path tracing. While path tracing reached most VFX houses and animation studios at a time when a physically-based approach to rendering and especially material modelling was already firmly established, the new tools brought with them a whole new balance, and many new workflows have evolved to find a new equilibrium. Letting go of instincts based on hard-learned lessons from a previous time has been challenging for some, and many different takes on a practical deployment of the new technologies have emerged. While the language and toolkit available to the technical directors keep closing the gap between lighting in the real world and the light transport simulations ran in software, an understanding of the limitations of the simulation models and a good intuition of the tradeoffs and approximations at play are of fundamental importance to make efficient use of the available resources. In this course, the novel workflows emerged during the transitions at a number of large facilities are presented to a wide audience including technical directors, artists, and researchers. This is the second part of a two part course. While the first part focuses on architecture and implementation, the second one focuses on usage patterns and workflows.