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 (2025/07/24)

Reference

Table of Contents ▸ List of Commands ▸ Geometry Manipulation ▸ expand

◀ elevate | extract ▶

expand

Arguments:

axes,size[%],_boundary_conditions={ 0:Dirichlet | 1:Neumann | 2:Periodic | 3:Mirror }

Description:

Expand selected images along the specified axes.

axes can be { x | y | z | c | xy | xz | xc | yz | yc | zc | xyz | xyc | xzc | yzc | xyzc }.

Default values:

boundary_conditions=0.

Example of use:

image.jpg expand xy,30

Command: image.jpg expand xy,30

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.