Sampling White and Black Points
The Grade node lets you define white and black points by sampling pixels from a Viewer frame.
To Define Tonal Range with the Grade Node
|
1.
|
Click Color > Grade to insert a Grade node at the appropriate place in your script. |
|
2.
|
Connect a Viewer to the output of the Grade node so you can see the effect of your changes. |
|
3.
|
In the Grade properties panel, use the channels dropdown menu to select the channels you wish to process. |
|
4.
|
Click the blackpoint parameter’s color swatch. |
The eye dropper icon appears.
|
5.
|
In the Viewer, press Ctrl/Cmd+Shift while clicking on the pixel you want to define as the black point (typically the darkest pixel). |
|
6.
|
Click the whitepoint parameter’s color swatch. The eye dropper icon appears. |
|
7.
|
In the Viewer, press Ctrl/Cmd+Shift while clicking on the pixel you want to define as the white point (typically the lightest pixel). |
Tip: You can discard sampled pixels by Ctrl/Cmd+right-clicking in the Viewer.