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"Overscan" can be used to look at the pixels outside the current frame format. You can use this Fuse to just check what's going on in the overscan area (some tools might clear or crop that) or you can create a new image that is large enough to display the whole DoD unscaled. This is useful if you want to export an image with a large DoD to Photoshop or save a file format other than exr which doesn't support DoD.
And of course, it's a programming example of how to handle and modify the DoD in your Fuses.
Download at vfxpedia!
