My project won't render result after using RotoBruch 2.0

Question

Hello, I have a fairly lengthy video (around 600 frames) that I have spent countless hours rotosoping with Rotobrush 2.0. And what I've done, is rotoscoped myself out, then when I've frozen Rotobrush, I put an "Exposure" effect on the video, and cranked the exposure up to 35, and the offset to 2. And now, I have my rotoscoped figure as pure white, and after that, I placed a black solid behind my character and now, I basically have a mask (I'm trying to axport this as a mask for another application).

But when I go to File>Export>Add to Adobe Media Encoder Queue.... and then export my video, even though my video looks perfectly fine in my media viewer in After Effects, the render renders as pure black. Why doesn't after effects export the video?

Rick Gerard · Answer

Layer 1 is set as a Guide layer (Green #), so it will not render. Right-click or use the Layer menu to make it a regular layer.

There is an easier workflow. You already have transparency from your Rotobrush. You can add a white solid and use the Rotobrush layer as an Alpha Inverted Track matte. It will render faster than fiddling with all the color correction.

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