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I am trying to pull a matte by adjusting over/under thresholds with the curves effect. I can tell what values I want to have go to white and which to black and would love to be able to simply enter those somewhere in the curves effect. But I see no way to enter values and don't know enough about expressions to figure out whether it can be done that way.
I did experiment with Levels - Individual Controls and found I could achieve what I wanted with this effect, although it took 6 numerical entries. So I do have a work around. But it seems to me I should be able to do this quicker with a curve controller so now am curious whether or not it's possible.
Thanks for any advice.
Stephen
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