Amazon VERSION 2.0V1 Guía de usuario descargar pdf (Pagina 158)

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ImageContrast

This adjusts the input image's contrast around a fixed color point.

Control (UI) Default Value Function

R enabled When enabled, affect the red channel of the image.

G enabled When enabled, affect the green channel of the image.

B enabled When enabled, affect the blue channel of the image.

A enabled When enabled, affect the alpha channel of the image.

mix 1 Dissolves between the original image at 0 and the full contrast

effect at 1.

Mask

channel A The channel from the out_mask input to use as a mask:

• R - use the red channel as the mask.

• G - use the green channel as the mask.

• B - use the blue channel as the mask.

• A - use the alpha channel as the mask.

By default, the contrast change is limited to the non-black areas

of the mask.

invert disabled Inverts the use of the mask channel so that the contrast change

is limited to the non-white areas of the mask.

fringe disabled When enabled, the mask is modified so that by default the

contrast change is limited to the fringe (semi-transparent areas).

• 0.0 -> 0.0

• 0.5 -> 1.0

• 1.0 -> 0.0

• out=4a*(1-a)

contrast

r/jointfilesconvert/368881/bg 1 Adjusts the image contrast in the r, g, and b channels.

4 NODES I-K | IMAGECONTRAST

1 2 ... 153 154 155 156 157 158 159 160 161 162 163 ... 376 377

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Amazon VERSION 2.0V1 Guía de usuario Pagina 158

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