Function
This applies a gamma to your image. A value of one means no change. Shake's
ability to use expressions can be particularly useful here, since to invert
the gamma of 1.7, for example, you can just type 1/1.7 as your gamma value.
Typing .588 isn't nearly as slick.
Parameters
|
Type
|
Defaults
|
Function
|
r, g, b, aGamma |
float
|
1, rGamma, rGamma, 1 | The gamma value. Duh. |
Synopsis
image Gamma( image, float rGamma, float gGamma, float bGamma, float aGamma );
Script
image = Gamma( image, rGamma, gGamma, bGamma, aGamma );
Command Line
shake -gamma rGamma gGamma bGamma aGamma
See Also
ContrastRGB, ContrastLum,
Add, Mult,
DelogC, Log