Curves Controls

Use the Curves controls to remap the pixel values of the front and back mattes.

Front

Selects the front matte curve. You can also click a curve to select it.

Back

Selects the back matte curve.

Back Matte

When viewing the Matte output, enable Back Matte to display the back matte. (To view the matte, click Matte in the Output options.)

Delete

Deletes the selected control point.

Reset Selected

Resets the selected curve.

Plot

Plots a pixel's matte value on the Matte curves. To plot a pixel, click the picker and sample a pixel in the Keyer or Composite viewport. Click the picker and Ctrl-drag your cursor over an area to sample the average matte value in the area inside a selection box.

To modify a matte curve:

Click a curve to select it. Click the selected curve to add a control point. Drag a control point to remap the brightness of the corresponding matte at that point.

You can also use the following keyboard shortcuts.

Press:	To:
Delete	Delete selected control points.
Ctrl+A	Select all control points.
Ctrl+D	Deselect all control points.