I’m learning composting and I just haven’t been able to find a simple “why” when it comes to 2D and 3D tracking! I understand that there are 2D, 2.5D and 3D tracks. I know what to look out for in order to know when to pick one. Many of the tutorials I watch explain how to track, but not what tracking actually is and why we need it. For example, if we’re trying to merge a person walking in one plate into a street scene in a different plate, why do we need a tracker? Hope this question isn’t too silly! Thanks!
In: Technology
its exactly what it sounds like, tracking.
If you want to add anything to a VFX scene you need to figure out where to put it. If it or the camera moves during the scene you have to figure out how. Suppose you want to replace a phone screen with a graphic. You have to do a 3d track to figure out the orientation and position of the phone so you can transform the graphic within the scene.
Basically, if you dont want the vfx to jump around on the scene, it needs tracking or some other mechanism to keep it where it should be
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