Applying a new lookup table to the corresponding image plane
In the LUT, you can view both breakpoints and lookup values.
In the Graph editing tools area, click the Edit Table button.
In the Lookup Table window, enable the View Lookup Values check box.
View the breakpoints in the Breakpoints table.
The values for X and Y where Y = LUT (X). The value of Y is a function of the value of X in terms of both the position of X in the LUT graph and in terms of the mathematical function that is currently applied.