Hey guys, I'm trying to create a diagnostic tool that will sample our disparity maps and create a burn-in prior to rendering. I want to find the highest and lowest values frame by frame and print those out.
I'd like it to be live if possible, but I'd settle for figuring out how to execute it at render time. Have looked into using the erode/dilate method combined with a TCL sample and python nuke.sample(). The TCL sample worked great on a local render but seemed buggy when I combined it with our render node. The CurveTool would work great, but I don't want to burden our artists with a pre-render process like that. So I've tried to invoke a nuke.execute in the "before each frame" callback, and I'd get an error of "already executing something else". Is my only option to write a separate script that would execute the CurveTool prior to rendering? Any other ideas out there?
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