What's the interpolation look like? ;)

Yes, I agree.  This looks hauntingly like the k lines for animation.  But obviously, they are setting a mapped range between values rather than a mathematical (procedural) relationship like other valueOp commands.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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