Relighting in Nuke using multipass

Note: I had to convert my EXR renders in Maya to a PNG via Photoshop in order to be able to upload here on Blogger

So having rendered out my EXR file, I also rendered a variety of passes such as Pworld and WorldNormals as seen below



Having this information, I was able to generate a point cloud in Nuke


Once it was put into a scene with spotlights in a Relight node, alongside a camera and a basic material, it looked like this


Merging that with the original render in screen mode, creates this result


Now, adding a background plate to it alongside a bit of rotoing

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