Quote Originally Posted by markbarendt View Post
My intent is to visualize choosing a specific tone from the scene that carries through to a specific point on the print curve. That might be the subjects forehead at zone VI or whatever else.

Part of what I'm trying to illustrate is that zones tie the scene to the print, not to the negative. Where our chosen zones fall on film is a variable, not an absolute.
Like this?

Guideline Data - Example.jpg

I'm with Michael. I'm not sure what you are getting at. How is this different from a tone reproduction diagram?