S_Gamma Applies a gamma correction to the input clip. The red, green, and blue channels can be adjusted independently. From Gamma just causes the inverse effect of adjusting Gamma. In the Sapphire Adjust effects submenu. Inputs: Source:  The current layer.   The clip to be processed.

Parameters:

Gamma:   Default: 1,  Range: 0.1 to 10.
Values greater than 1.0 make the mid-tones brighter, values less than 1.0 make them darker, 1.0 leaves the input unchanged.

Gamma Red:   Default: 1,  Range: 0.1 to 10.
Brightens or darkens the red mid-tones.

Gamma Green:   Default: 1,  Range: 0.1 to 10.
Brightens or darkens the green mid-tones.

Gamma Blue:   Default: 1,  Range: 0.1 to 10.
Brightens or darkens the blue mid-tones.

From Gamma:   Default: 1,  Range: 0.1 to 10.
Divides the Gamma by this value before processing. This can be useful if your image was correct at this gamma, but needs to be adjusted from this to a new gamma.

From Gamma Red:   Default: 1,  Range: 0.1 to 10.
Darkens or brightens the red mid-tones.

From Gamma Green:   Default: 1,  Range: 0.1 to 10.
Darkens or brightens the green mid-tones.

From Gamma Blue:   Default: 1,  Range: 0.1 to 10.
Darkens or brightens the blue mid-tones.

Scale Lights:   Default: 1,  Range: 0 or greater.
Scales the brightness by this amount after the gamma correction. Increase for a brighter result.

Scale Lights Red:   Default: 1,  Range: 0 or greater.
Scales the red by this amount after the gamma correction.

Scale Lights Green:   Default: 1,  Range: 0 or greater.
Scales the red by this amount after the gamma correction.

Scale Lights Blue:   Default: 1,  Range: 0 or greater.
Scales the red by this amount after the gamma correction.

Offset Darks:   Default: 0,  Range: -8 to 2.
Adds this gray value to the darker regions after the gamma correction. This can be negative to increase contrast.

Offset Darks Red:   Default: 0,  Range: -8 to 2.
Adds this red value to the darker red regions after the gamma correction. This can be negative to increase contrast.

Offset Darks Green:   Default: 0,  Range: -8 to 2.
Adds this green value to the darker green regions after the gamma correction. This can be negative to increase contrast.

Offset Darks Blue:   Default: 0,  Range: -8 to 2.
Adds this blue value to the darker blue regions after the gamma correction. This can be negative to increase contrast.

See Also:

HueSatBright Monochrome ClampChroma PseudoColor DuoTone Tint Threshold Hotspots Solarize

Sapphire Plug-ins Introduction

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