
 Threshold
 =========

 Video filter for CineWorks 1.02 or later.

 (c) Henrik Bjerregaard Pedersen and Oregan Software Developments, 1995


 This is a very primitive filter which simply turns all pixels either
black or white, depending on their luminance.
 Used with the 'CopyMask' filter, it can give an extra luma-key (although
the key always will be set to 50% of full luminance).
