ImageGain

This node lets you adjust the gain in your input image. In other words, it multiplies a channel's values by a given factor, which has the effect of lightening the channel while preserving the blackpoint.

Connection Type	Connection Name	Function
Input	input	The image sequence the gain of which you wish to modify.
out_mask	An optional image to use as a mask. By default, the merge is limited to the non-black areas of the mask.

Connection Type

Connection Name

Function

Input

input

The image sequence the gain of which you wish to modify.

out_mask

An optional image to use as a mask. By default, the merge is limited to the non-black areas of the mask.

Control (UI)	Default Value	Function
[2D node controls]	N/A	Set the controls for the stereo view. For more information, refer to the Common 2D Nodes Widget Type in Common Parameter Widgets.
units: F-Stops
fsIntensity	0	Adjusts f-stop intensity.
units: Gain
gIntensity	1	Adjusts gain intensity.
units: F-Stops > fsColor
red	0	Adjusts f-stop in the red channel.
green	0	Adjusts f-stop in the green channel.
blue	0	Adjusts f-stop in the blue channel.
fsAlpha	0	Adjusts f-stop in the alpha channel.
units: Gain > gColor
red	1	Adjusts gain in the red channel.
green	1	Adjusts gain in the green channel.
blue	1	Adjusts gain in the blue channel.
gAlpha	1	Adjusts gain in the alpha channel.
units	F-Stops	Select the units in which the gain is altered: • F-Stops - use the fsColor controls to adjust gain. • Gain - use the gColor controls to adjust gain.