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[HOUDINI大课堂V1] CMIVFX | Houdini Procedural Road Creation(Houdini程序化道路制作教学 中文字幕 翻译示范)中英文翻译服务

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名称 [HOUDINI大课堂V1] CMIVFX | Houdini Procedural Road Creation(Houdini程序化道路制作教学 中文字幕 翻译示范)
编号 ZM-140
字幕制作中
时间
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当我们创建程序化的模型的时候,会尝试让控制单元变得简单一些。学习使用HOUDINI中的工具来创建道路的基本造型,并且在上面保留流程化的控制,重建这些造型来得到干净的几何体,合理的造型尺寸是很重要的,但是可能会让你在建模阶段被延迟,我们将带领大家学习造型的NORMALIZATION过程,这样就让大家更容易对造型的维度进行重新定义。我们将介绍给大家如何综合使用变形工具与变量来让这个重要的过程变得自动化。

When creating procedural models you want to keep the controls simple, but as powerful as possible. Learn how to build the basic shapes for the road using the tools of Houdini and how to maintain procedural control over them. Reconstruct the shapes to get clean geometry. Proper measurement of shapes is really important but can hinder you in your modeling process. We'll guide you through the normalization of shapes to keep the procedural control of measurement, so it is easy to redefine the dimension of your shapes. We show how to use variables in combination with transformation tools to automate that important process. Use the powerful preset option in the nodes to dramatically speed up your productivity in Houdini.

Building The Road Shape
Optimized geometry is always very important, we don't want to waist memory and performance on useless geometry compromising the performance of your videogame. We'll show how to optimize the division of the road path shape, fine-tuning it that the most optimal division of the road is being reached without compromising the curvature quality of the road. Only controlling the road-path to create a complete road? You'll learn in detail how to use the sweep-tool to create the road profile along the road path and how to control its heading, pitching and banking.

Creating UV's
A procedural model without UV's looses much of its intended power. Creating proper UV's can be very time consuming are therefore really important to tackle as soon as possible, especially since it will become much harder to create UV's in a procedural way the further you are in the modeling process. You'll learn how to apply UV's in various ways, their implications, how to apply materials onto geometry and even how to use image files directly from internet into Houdini. We'll show the difference between vertex UV's and point UV's and you'll see different solutions to solve unwanted effects such as UV wrapping along the seams.

Preparing The Graph For A Digital Asset
A procedure is almost rendered worthless if it cannot be simplified or collapsed into a single function. Repackaging, recombining your previous effort is the raw power of procedural modeling, allowing you to work at an ever increasing speed with more freedom and flexibility. Here we'll show you how to gradually prepare your graph to become a digital asset by extending its functionality to be able to work with multiple road paths. Using expressions you will learn how to create optimal UV's procedurally independent from the road lengths.

Extending Flexibility
Just like it is really important to get UV's as soon as possible, so is it for groups just as important. Here we'll show how to use a carve tool "in a procedural way of course" to extract the right pieces and give proper names using the group node. You'll learn in detail how to make all UV's working procedurally for multiple profile shapes using expressions and UV transform tools. The capping of the swept road and the UV'ing of those caps is all made procedural in order to make the digital asset more robust.

Creating The Digital Asset
Finally putting everything into a digital asset and with it extending the powerful toolset you have to your disposal. We'll cover in great detail on how to properly create a library of tools, using various input ports of the nodes and making it so that the nodes can determine automatically which functionality to use depending on the number of connected nodes. Now that we have group names in the road profile we show you how to transfer those names using expressions and group nodes to the final geometry.

Creating The Interface
What is a digital asset without an interface? That's right, A Ferrari without a steering wheel! I couldn't have told it better myself. Here we see how we can start creating interfaces in Houdini and connecting its parameters with the functions inside the digital asset. We'll cover in this chapter how to make a dropdown menu that allows creating different segment names by using switch nodes, new expressions and the expressions you have learned in previous parts. Are there too many buttons on the interface that are occasionally useful? You will learn how to make a cleaner interface by graying out elements that depending on the settings.

Making Assets Independent
Sharing the tools you have created amongst your colleagues is one of the noblest acts of charity in life! They will worship you for saving their weekends. Learn how to make your digital assets completely independent by encapsulating all the relevant data. We'll show methods on how to copy whole parts of interfaces and how to bring their functionality to a higher level of control. You will learn how to organize your digital asset in the tab-menu and how to create reference nodes.

Finalizing Assets
The devil always sits in the details, going over all the functionalities added to the digital asset. You'll learn various methods to tackle all these problems. The whole graph inside the digital asset is becoming really big now, learn methods and strategies how to keep an overview so that you are able to handle the most complex graphs. They will also help you colleagues if they need to quickly understand the graphs you are building. We've solved UV seams previously, but solving those for enclosed paths is a whole different ballgame. See how you can solve these problems by thinking out of the box.

About The Author
Kim Goossens is a 38 years old belgian CG-artist who is working as a freelancer and CG-instructor with a long history in CG-graphics starting back at 1989 He became quite known for his creation of the GIRL later adopted by DAZ3D. He is currently teaching Houdini procedural modeling for games at the IGAD program at the NHTV University of Applied Sciences. While working on various game projects and commercials both as Art-director and technical artist, he gained a profound knowledge of tools such as Maya, Max, Zbrush, Modo, shake and Houdini. His biggest passion has always been to research strategies to increase production and quality, which has led him to research procedural modeling.

 
CMIVFX介绍
 
 

CMIVFX世界领先的特效培训公司,该公司是高端视觉特效与电脑图形设计行业培训的领导者,培训的客户包括了个人与公司,学校等。该公司的教学培训在业界享有极高的声誉,教学均为聘请业界资深人员讲解,与GNOMON一样,CMIVFX的教学也代表了业界领先水平。

cmiVFX Worlds Leader In VFX Training industry.

cmiVFX is the leader in high end video training for the visual effects and computer graphics industry. We train everyone from individuals to institutions to other training companies.

 
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