The Gnomon Workshop - Large-Scale Water FX in Houdini
Houdini大面积的水特效模拟教程。
探索胡迪尼史诗般的水镜头模拟的完整过程，海洋生物冲出海面并潜回海洋。这个综合研讨会由CG主管Miguel Perez Senent 讲解，首先定义一个大的海洋表面，然后展示Houdini最新的水模拟工具集模拟与生物的互动。使用最新的 FLIP 求解器，创建基础流体仿真，并深入了解提示和技巧，使其更加逼真和高效。然后，您将学习如何使用一些巧妙的技术生成流体网格并将其与海洋的其余部分混合，了解如何使用结果根据网格表面属性和物理特征定义自定义白水排放源。
真实水的模拟带来了重大挑战，尤其是在大尺度下。在几节课的过程中，您将探索一系列实现逼真动画技术，从模拟平面到使用基于真实观察的各种方法来模拟不同密度下水的行为来修改数百万个粒子的动力学。最后，您将在 Solaris USD 上下文中使用 Karma 进行效果渲染，确保水的每个组件都紧密集成在一起。通过拆分各种必要的通道，您可以使用Nuke轻松地将最终合成组合在一起。
在整个研讨会中，您将学习保持场景效率，以便能够使用一台计算机创建镜头。值得注意的是，在最终分辨率下展示的FLIP和白水模拟花了不到1个小时的时间运行。借助 TOP 的强大功能，您将解锁楔入和并行化模拟和渲染的能力。
尽管这个研讨会涵盖了一些高级主题和技术，但没有经验的跟随将使您获得最终结果。这个教程包括完全创建特效镜头所需的材料，包括带有纹理、光线和相机的动画生物。
为期： 412 分钟
格式： HD 1920x1080
Discover the complete process that goes into executing an epic water simulation shot featuring a sea creature breaching out of the ocean and diving back in. This comprehensive workshop, taught by CG Supervisor Miguel Perez Senent, begins by defining a large ocean surface and then showcasing Houdini’s latest water toolset to simulate interaction with the creature. Using the latest FLIP Solver, you will create the base fluid simulation and dive into tips and tricks to make it more realistic and efficient. You’ll then learn how to generate and blend the mesh of the fluid with the rest of the ocean using some clever techniques and discover how to use the result to define a custom whitewater emission source based on the mesh surface properties and physical characteristics.
The simulation of realistic whitewater poses significant challenges, especially at large scales. Over the course of several lessons, you’ll explore a range of techniques to achieve realistic motion, from simulating an airfield to modifying the dynamics of millions of particles using various methods based on real-life observations to mimic the behavior of water at different densities. Finally, you will look-dev and render the shot using Karma within the Solaris USD context, making sure each component of the water is tightly integrated. By splitting the various necessary passes, you can easily put together a final comp using Nuke.
Throughout the workshop, you will learn to keep your scene efficient in order to be able to create the shot with a single computer. Notably, the showcased FLIP and whitewater simulations at the final resolution took under 1 hour to run. Through the power of TOPs, you’ll unlock the ability to wedge and parallelize simulations and renders.
Even though this workshop covers some advanced topics and techniques, following along without prior experience will get you to the end result. Included with this workshop are the materials needed to fully create the FX shot, including the animated creature with textures, light, and camera.
Duration: 412 Minutes
Format: HD 1920x1080
分类：教程 > 3D教程 > Houdini
发布：CGer | 查看： | 发表时间：2023/7/25 13:00:23 | 更新时间：2023/7/25 13:00:23
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