mix_channels
Arguments:
- (a00,...,aMN) or
- [matrix]
Description:
Apply specified matrix to channels of selected images.
Example of use:
$ gmic
image.jpg +mix_channels (0,1,0;1,0,0;0,0,1)

Command:
image.jpg +mix_channels (0,1,0;1,0,0;0,0,1)

Command:
image.jpg +mix_channels (0,1,0;1,0,0;0,0,1)