what is it?

above threshold is a general effects plug-in that can set all pixels that are above a threshold in red, green, and blue to a color you specify.

what should i use it for?

this plug is extremely useful whenever you are filming against a bright background (e.g. white) and want to eliminate shadows (for later matting effects) or eliminate slight irregularities in a background. you can also use it to change the color of a bright background to any color you like.

note that there is a second plug called 'below threshold' that does the opposite: set all pixels that are below a certain level to a color you specify.

 • Mac OS X 10. 4 Intel
 • Mac OS X 10. 4 PPC

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