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apply_channels

Arguments:

• "command",color_channels,_value_action={ 0=none | 1=cut | 2=normalize }

Description:

Apply specified command on the chosen color channel(s) of each selected images.

(equivalent to shortcut command ac).

Argument color_channels refers to a colorspace, and can be basically one of
{ all | rgba | [s]rgb | ryb | lrgb | ycbcr | lab | lch | hsv | hsi | hsl | cmy | cmyk | yiq }.
You can also make the processing focus on a few particular channels of this colorspace,
by setting color_channels as colorspace_channel (e.g. hsv_h for the hue).
All channel values are considered to be provided in the [0,255] range.

Default values:

value_action=0.

Example of use: