G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
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A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.6.3        Current pre-release: 3.6.4 (2025/10/29)

Reference
Table of Contents  ▸  List of Commands  ▸  Colors  ▸  compose_channels◀  colormap    |    contrast  ▶

compose_channels

Arguments:

  • _operator

Description:

Compose all channels of each selected image, using specified arithmetic operator (+,-,or,min,...).

Default values:

operator=+.

This command has a tutorial page.

Example of use:

<a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +compose_channels and

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +compose_channels and
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +compose_channels and
G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.