Filter Forge - Desaturate Clips Negative Values

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Sphinx. Filter Optimizer Posts: 1750 Filters: 39	Even though it should be "HDR", "Desaturate" component clips negative values to zero Njyldgarkn init/prepare process x no. of render blocks x no. of passes
	Posted: June 1, 2012 10:06 am	Details E-Mail
inujima Posts: 176 Filters: 26	Desaturate component at Weighted Average mode is using gamma corrected RGB values. And output form is as follows. output = (R ^ 2.2 * 0.3 + G ^ 2.2 * 0.59 + B ^ 2.2 * 0.11) ^ (1 / 2.2) Probably using gamma corrected value is reason that negative value is clipped.
	Posted: June 4, 2012 8:00 pm	Details E-Mail
GMM Moderator Filter Forge, Inc Posts: 3491	Thanks for reporting, the fix will be available in the next update.
	Posted: June 5, 2012 7:18 am	Details E-Mail

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