From the course: Photoshop CS5 One-on-One: Advanced

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Reading a channel-by-channel histogram

Reading a channel-by-channel histogram - Photoshop Tutorial

From the course: Photoshop CS5 One-on-One: Advanced

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Reading a channel-by-channel histogram

All right, I've gone ahead and quit Photoshop and restarted the program using a Cache Level Setting of one, which allows me to switch between layers and apply other modifications without ever having to redraw the histograms, either here is that the Histogram panel or elsewhere inside the program. Now I'm not going to not to leave the Cache Level at 1, that would be absolute madness. It would completely undercut Photoshop's ability to navigate inside of an image and redraw the image onscreen. Things would slow to a crawl very quickly, I'm not willing to tolerate that. So I'll eventually raise that Cache Level's value back to it's default setting of 4. In the meantime however, a setting of 1 is highly expedient for showing off the different Auto Commands. Here inside this image, it's called Father for our money.psd. And notice that it features a detail from an old-style one dollar bill, repeated four times on four different layers. And the money has a certain green color cast associated…

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