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Question

How do I attach (and Lock into place) a 2D (Chroma key) footage onto a 3D Model?

Forum|Forum|4 years ago
November 22, 2021
3 replies
1656 views

Hi After Effects Community! So How do I attach & Lock into place a Video onto a 3D Model? Kind of like this, but Flip-Flopped, with the 3D element beneath my 2D (Chroma key) footage (using the 3D camera Tracker effect)?

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ShiveringCactus

Community Expert

There's a couple of ways to do this using VC Element:

Linking a 2.5D layer:

In Element, expand the Utilities section and Generate 3D position.
Use the Select 2D position to select a point on your model where you want the video to be attached.
Click Generate 3D Null.
You now have a 3D null with coordinates matching the point you clicked.
Parent your 2.5D layer to this.

Video as a texture:

In Element's Custom layers, select your video layer.
In Scene Set, create a new plane, and position it in your model
In the default material which was created when you made the plane, set the texture to be the custom layer.

This second option is more processor intensive and you have less control over the look, but it is more part of the model than the first option.

JBJB1029Author

Known Participant

There's a couple of ways to do this using VC Element:
Linking a 2.5D layer:
In Element, expand the Utilities section and Generate 3D position.
Use the Select 2D position to select a point on your model where you want the video to be attached.
Click Generate 3D Null.
You now have a 3D null with coordinates matching the point you clicked.
Parent your 2.5D layer to this.

Video as a texture:
In Element's Custom layers, select your video layer.
In Scene Set, create a new plane, and position it in your model
In the default material which was created when you made the plane, set the texture to be the custom layer.
This second option is more processor intensive and you have less control over the look, but it is more part of the model than the first option.

By @ShiveringCactus

First Off, VC Element is VIDEO COPILOT | Element 3D V2, Correct, and second, what about a way to do it using Cinema 4D?

ShiveringCactus

Community Expert

I'm sorry, I've just re-read your original post and you make no mention of Video Copilot's Element. I was working with Element at the time I posted and jumped to that solution.

For Cinema4D lite, the process is quite similar to the second solution I posted. The video Andrew Yoole posted covers this. In a nutshell, export your video as an image sequence, then in After Effects, go to File > New > Macon C4D file.
C4D Lite will open and then you can follow the steps in the video.

When you save, the C4D file can be added to your AE timeline.

Andrew Yoole

Inspiring

Here is a pretty crappy short tutorial demonstrating the use of a video file (an image sequence in this case) as a texture map within Cinema 4D.

https://www.youtube.com/watch?v=PKWtKLWj6cY

Mylenium

Legend

Typically one makes provision for this in the 3D model by adding placeholder geometry or rendering out the "video" as a texture mapped onto the object. Nobody in their right mind would put up with nonsense such as shown in the demo video.

Mylenium

JBJB1029Author

Known Participant

Typically one makes provision for this in the 3D model by adding placeholder geometry or rendering out the "video" as a texture mapped onto the object. Nobody in their right mind would put up with nonsense such as shown in the demo video.

Mylenium

By @Mylenium

Can you make video explaining how to do that, please?

JBJB1029Author

Known Participant

Typically one makes provision for this in the 3D model by adding placeholder geometry or rendering out the "video" as a texture mapped onto the object. Nobody in their right mind would put up with nonsense such as shown in the demo video.

Mylenium

By @Mylenium
Can you make video explaining how to do that, please?

By @JBJB1029

Let me explain why @Mylenium. It's because I'm new to doing something like that, I'm more of a visual learner, and The way that you explained how to do it is not enough of an explanation for how I can do it by myself, "Typically one makes provision for this in the 3D model by adding placeholder geometry or rendering out the "video" as a texture mapped onto the object." I hope you understand, @Mylenium?

First Off, VC Element is VIDEO COPILOT | Element 3D V2, Correct, and second, what about a way to do it using Cinema 4D?

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