Hello, I have a RotoPaint node that is plugged directly into a card. The card has some bicubic deformations on it, and it is plugged directly into a ScanlineRender node. The resulting matte is then used as a Grade mask.
This is an example where I really need to paint fine detail on a matte - I’m trying to enhance shadows in the background of a shot that has a camera move on it. All that I want is to be able to look at the output of the Grade node and see where the points of a spline or paint brush strokes are in relation to the 2D image. I can see, especially with the paint brush, that Nuke is actually deforming and adjusting the shape of the brush to account for the 3D transform. The only problem here is - it’s wrong, and it is maddeningly frustrating. I know that you can use FrameHolds with Project3Ds and MergeMats in order to get these to line up exactly, but that is a huge PITA, especially if you have large camera moves. Is there a setup that people use where this actually works?
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