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

A Full-Featured Open-Source Framework for Image Processing

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Latest stable version: 3.5.5 Current pre-release: 3.6.0 (2025/06/19)

Reference

Table of Contents ▸ List of Commands ▸ Colors ▸ to_gray

◀ to_colormode | to_graya ▶

to_gray

No arguments

Description:

Force selected images to be in GRAY mode.

Example of use:

image.jpg +to_gray

Command: image.jpg +to_gray

Command: image.jpg +to_gray

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.