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ImageGamma

Applies a constant gamma value to the selected channels. This lightens or darkens the mid-tones.

Connection Type

Connection Name

Function

Input

 

input

The image sequence the gamma 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.

gamma

rgb

1

Adjusts gamma in the red, green, and blue channels.

r

1

Adjusts gamma in the red channel.

g

1

Adjusts gamma in the green channel.

b

1

Adjusts gamma in the blue channel.

a

1

Adjusts gamma in the alpha channel.

fixedPoint

fixedPoint

1.0000, 1.0000, 1.0000, 1.0000

The color (RGBA values). You can also use the below RGB, HSL, or HSV controls to set the color.

For more information, refer to the Color Widget Type in the Common Parameter Widgets.

inputs

Unpremultiplied

Select whether you are using a premultiplied or unpremultiplied input image:

• Premultiplied - the ImageGamma node unpremultiplies the input, applies the gamma change, and premultiplies the input again. This simulates applying the gamma change before the premultiplication was done, as color corrections are typically applied on unpremultiplied images.

• Unpremultiplied - the ImageGamma node simply applies the gamma change.