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学习在Houdini中制作真实照片级别的材质效果，主要用到阿诺德渲染器，不仅仅是某个具体材质的制作方法，更会讲解材质的制作流程等
Duration 8h 30m Project Files Included MP4
Title: The Gnomon Workshop – Procedural Shading Techniques For Houdini & Arnold
Info:
Learn to create photorealistic procedural shaders with Arnold and take advantage of the procedural nature of Houdini with this workshop by Wojtek Piwowarczyk, Environment Generalist TD for film, animation, and game cinematics.
During the course of 8.5 hours, Wojtek reveals his personal collection of techniques used in production and developed over several years while creating visual effects for a variety of entertainment projects. He covers not only detailed methods for creating procedural shaders but also discusses how Houdini’s procedural nature can be used to full effect. You’ll learn several techniques for extracting information from source geometry to create effective shaders — and because it’s procedural, you’ll be able to apply them to any models, and even reuse them entirely, or in parts, on future projects.
Wojtek’s ultimate goal for this workshop is to give viewers a solid foundation for procedural shading and an understanding of look development for surfaces. The robust methods he demonstrates for building shaders are techniques that are universal and will remain useful regardless of software, meaning your skills will stay relevant in the ever-evolving world of computer graphics. By completing this workshop, you should have developed the confidence to create any type of surface for any project.
ZBrush and Photoshop are also used in this workshop as part of the workflow. Project files include a complete Houdini scene with final processed objects, lighting, and shaders to assist with learning, as well as a breakdown of all the steps and shading techniques presented in the tutorial. The package also contains 3D models, ZBrush files, and baked displacement textures for relevant objects plus proxies for the Megascans textures used. This complete set allows you to recreate the scene from the tutorial and will serve as a base for your own look-development experiments.
Software Used: ZBrush Houdini Arnold
CHAPTER LIST
00. Preview
01. Introduction References & Megascans
02. Houdini & Arnold Setup Plus Scene Overview
03. Geometry Preparation
04. Viewport Optimization
05. Stone Shader: Randomization
06. Stone Shader: Displacement
07. Albedo: Hue Saturation Value Orientation & Normals
08. Albedo: Noise
09. Albedo: Geometry Attributes & Texture Masks
10. Albedo: Location Position & Mask by Displacement
11. Albedo: Complex Masks — Drips
12. Albedo: Object ID
13. Roughness
14. Exporting Displacement Maps from ZBrush & Adding Megascans
15. Camera Projections: Photoshop Setup & Shader Implementation
16. Floor Shader & Final Thoughts
时长 8h 30m 包含项目文件 MP4
标题：Gnomon 研讨会——Houdini 和 Arnold 的程序着色技术
信息：
在这个由电影、动画和游戏电影环境通才 TD Wojtek Piwowarczyk 主持的研讨会上，学习使用 Arnold 创建逼真的程序着色器并利用 Houdini 的程序性质。
在 8.5 小时的课程中，Wojtek 展示了他个人在制作中使用的技术收藏，并在为各种娱乐项目创造视觉效果的同时开发了数年。他不仅涵盖了创建程序着色器的详细方法，还讨论了如何充分利用 Houdini 的程序性质。您将学习多种从源几何体中提取信息以创建有效着色器的技术——并且因为它是程序性的，您将能够将它们应用于任何模型，甚至可以在未来的项目中完全或部分重用它们。
Wojtek 本次研讨会的最终目标是为观众提供程序着色的坚实基础和对表面外观发展的理解。他演示的构建着色器的强大方法是通用的技术，无论软件如何，都将保持有用，这意味着您的技能将在不断发展的计算机图形世界中保持相关性。通过完成本次研讨会，您应该有信心为任何项目创建任何类型的表面。
ZBrush 和 Photoshop 也作为工作流程的一部分在本次研讨会中使用。项目文件包括一个完整的 Houdini 场景，其中包含最终处理的对象、照明和着色器以帮助学习，以及教程中介绍的所有步骤和着色技术的细分。该软件包还包含相关对象的 3D 模型、ZBrush 文件和烘焙置换纹理以及所用 Megascans 纹理的代理。这个完整的集合允许您从教程中重新创建场景，并将作为您自己的外观开发实验的基础。
使用软件：ZBrush Houdini Arnold
章节列表
00.预览
01. 介绍参考资料和 Megascans
02. Houdini & Arnold Setup Plus 场景概览
03. 几何准备
04.视口优化
05. Stone Shader：随机化
06. 石头着色器：置换
07.反照率：色相饱和度值方向和法线
08.反照率：噪音
09. Albedo：几何属性和纹理遮罩
10.反照率：位置位置和位移遮罩
11.反照率：复杂的面具——滴
12.反照率：对象ID
13. 粗糙度
14. 从 ZBrush 导出置换贴图并添加 Megascans
15. 相机投影：Photoshop 设置和着色器实现
16. 地板着色器和最后的想法 |
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