Reference

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channels

Built-in command

Arguments:

Description:

Keep only specified channels of selected images.

Dirichlet boundary is used when specified channels are out of range.

Examples of use:

• Example #1

$ gmic image.jpg channels 0,1

Command: image.jpg channels 0,1

• Example #2

$ gmic image.jpg luminance channels 0,2

Command: image.jpg luminance channels 0,2