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A travel matte in after effects?
I have a comp that is a full screen fractal noise, and I want to transform that comp to follow a path in a ‘swirl’ shape. I have been told that I can ‘use the strokes as a travel matte for the fractal noise’. The stroke is a simple path with a taper and trim path. How do I create a ‘travel matte’? I have used Alpha Matte and Luma Matte before but never come across travel. Using AE cc2022