Ex 5 & 6 Questions

This board is for the January 2008 Curvemeister 101 class
mikemeister_admin
Posts: 4927
Joined: Fri Sep 20, 2013 8:29 pm

Postby mikemeister_admin » Fri Feb 15, 2008 7:46 pm

Mike/Greg
Ex 5  I have given up on Ex 5 for the moment as I am having difficulty keeping the yellow car from brightening up also.

Ex 6  Still working with it but have a question regarding the histogram as shown in the class text. In LAB when I open the lightness mask the histogram just about duplicates the lightness channel. In the class text the lightness mask histogram rises to the right. Whenever I adjust a mask the histogram never changes. Why the difference?
Thanks Joe S

-default
Posts: 1916
Joined: Thu Mar 26, 2015 1:53 am

Postby -default » Fri Feb 15, 2008 8:07 pm

I had not noticed this difference in the histograms until you pointed it out - more research is needed, as they say.

The histogram generally will not change during a curvemeister operation, with the exception of the RGB and wgCMYK master curves.  These change dynamically because they take their input from the other, per-channel curves.


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