制作三维场景有效技术教程 - Efficient Techniques for Building 3D Environments

制作三维场景有效技术教程（英文字幕+工程文件） - Efficient Techniques for Building 3D Environments - Gnomon

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制作三维场景有效技术教程 - Efficient Techniques for Building 3D Environments - Gnomon
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在 James A.J. 的这个 3 小时学习各种经过行业验证的高效技术，用于创建一系列 3D 环境样式的研讨会中米勒，梦工厂动画的环境艺术家。
Learn a variety of efficient industry-proven techniques for creating a range of 3D environment styles
in this 3-hour workshop by James A.J. Miller, Environment Artist at DreamWorks Animation.

研讨会以沙漠环境中大型 3D 城市环境的演示开始。这种类型的场景为詹姆斯提供了一个很好的机会来介绍三平面材料的重要性，看看 Houdini 的地形工具，看看建模以满足拍摄要求，以及在 Clarisse 中的散射。然后，这一切都完美地引导到 Nuke 中的 AOV，James 深入解释了它们是什么，以及艺术家如何利用它们来发挥自己的优势。他演示了如何安装 Gizmo 以及他在返回拍摄并完成合成之前何时在 Nuke 中使用 AOV 的最佳实践。
The workshop begins with a demonstration of a large 3D city environment in a desert setting. This type of scene offers a great opportunity for James to cover the importance of Triplanar materials, take a look at Houdini's Terrain tools, look at modeling to shot requirements, as well as scattering in Clarisse. This then sets things up perfectly to lead into AOVs in Nuke, where James dives into an explanation about what they are, and how artists can use them to their advantage. He demonstrates how to install Gizmos as well as his best practices for when to use AOVs in Nuke before returning back to a shot and finishing off a composite.

上一部分从拍摄工作中抽出时间来介绍摄影测量在3D环境搭建中的主题，以及如何有效地使用它。该演示使用 Agisoft Metashape 进行环境扫描。
The proceeding section takes a break from shot work to introduce the topic of photogrammetry in 3D environment building, and how to use it effectively. This demonstration walks through an environment scan using Agisoft Metashape.

接下来，James 打开 SpeedTree 浏览他的“Mothertree”镜头，该镜头使用了新的 SpeedTree for Clarisse 插件。他还使用 Houdini 营造氛围，可以将其带回 Clarisse 的场景中，以增加冲击力和真实感。
Up next, James opens up SpeedTree to walk through his “Mothertree” shot, which makes use of the new SpeedTree for Clarisse plug-in. He additionally animates atmosphere using Houdini, which can be taken back into the scene in Clarisse for added impact and realism.

接下来，研讨会详细介绍了 James 在生产中经常使用的一些重要提示、技巧和捷径，以加快建模和纹理，特别是在城市环境中，最终目标是构建一个利用所有资产的场景在 Clarisse 中应用纹理。然后，这个项目被用作詹姆斯最后一枪的起点：“寮屋村”。
Moving on, the workshop details some of James’s top tips, tricks, and shortcuts that he uses regularly in production to speed up the modeling and texturing, particularly for city environments, with the end goal being to build a scene that utilizes all of the assets with textures applied in Clarisse. This project is then used as a launching point for James’s final shot: “The Squatter Village.”

本次研讨会提供了一个很好的机会来学习如何创建 AOV，甚至使用 Light Path Expressions 编写自己的 AOV。最后一章着眼于如何处理重度渲染，以及如何使用不同的投影技术来帮助避免在 3D 中渲染超出您的需要。
This workshop offers a great opportunity to learn how to create AOVs and even write your own, using Light Path Expressions. The closing chapter looks at how to deal with heavy renders, as well as how to use different projection techniques to help avoid rendering more than you need to in 3D.

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