After Effects CC Essential Training (2015) Tutorial: Explore the key Concepts, Terminology and Interface of AE by Andy Robinson

Author:Andy Robinson [Robinson, Andy]
Language: eng
Format: azw3, epub
Tags: Required Interface for After Effects
Published: 2018-11-22T16:00:00+00:00

Exploring the ray-traced 3D renderer

Let me start this video by explaining that the Ray-traced renderer is one of the hardware accelerated features of After Effects CC. The Ray-traced renderer performs much better on a computer that has a supported and video graphics card and CUDA installed. While neither CUDA nor NVidia video card are required to run the Ray-traced renderer, having both will speed up your workflow when working with the Ray-traced renderer. To learn more about this, you can go to the Internet and search for supported graphics cards.

Or better yet, I have already gone through the process of finding this page, so we will just jump over here into Safari and you can see it is the GPU CUDA OpenGL features page. This page is excellent in the Help menu because it is consistently updated. And there are several different links in here explaining how GPU acceleration works inside of After Effects. And if you scroll down there are some other links that explained which graphics cards are supported, and which ones aren't, and all kinds of technical things that, if you are into that sort of thing, you can have a blast with.

Okay, so I am just going to go ahead and jump back into After Effects. Inside of After Effects here we have a basic project that has two 3D layers. I have this green precomp layer and my Illustrator file. Now if you look in the upper right corner of this composition, since I have 3D layers enabled, I have this Renderer button. Let us click on that and that will open my Composition Settings. You can also press command or control K, and then just make sure you are in the Advanced tab.

So, in here, under the Renderer, I want to change it from Classic 3D to Ray-traced 3D. Now when we click Okay, you may see a warning window pop up, which is just telling you what features are enabled and disabled when you change the renderer. Now if we go down to the bottom of the timeline here I want you to open Layer two. And let us not look at the Transform Options because those are pretty like what we have seen before. But if we collapse those, now you will notice we have Geometry Options.

Now Illustrator layers, Type layers, and Shape layers all can have some form of 3D created within the Ray-traced renderer. Illustrator layers give you Geometry Options that give you the ability to bend the layer, not create 3D depth, but bend it in space. So, let us open its Geometry Options. In here, I have a Curvature option. So, I can increase the Curvature, and notice as I increase the Curvature it is bending a little bit.

And to better see this I am going to change the view from Active Camera to this Custom View one. It will take a second to redraw the scene, but once it redraws you can see here now it is starting to bend.

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