Contrast Parameter

In the middle of my "Rotate All Angles" filter I needed a contrast of exactly 2x.
That is 75% grey would become 100%, and 25% would become 0%.

After a bit of trial and error I discovered that the value needed was about 41.42 but even that was not exact.
That 41.42 looks familiar (1.4142 ) as does the result when run through a remapper (70.71).

So in the end if I simply want to (exactly) double the contrast, I would have to enter the exact value for the square root of two - which I can't!

Seeing as the FFFolk were so quick to solve the -100% Contrast problem, maybe there's a way to make the contrast control a little more "user-friendly".



Rô

Quote
byRo wrote: I needed a contrast of exactly 2x

byRo -- if I understand this correctly, you need Multiply, not Contrast. Hopefully the upcoming Color Math components will solve this problem.

Yep, you will be able to set Multiplier Max to 2 and Multiplier Min to 0, that should solve the problem.