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11.0, 10.5, 10.0 or later
OverStack is a gizmo that stacks multiple merges with an ‘over’ operation. This is very useful to make smoke look ‘thicker’ without crushing it. The typical grading method on the left as shown does not do a good job picking up the lower values and it crushes the higher ones. OverStack on the other had will provide a smooth transition and better look when creating thicker smoke.