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: 3.5.6 (2025/06/13)

Reference

Table of Contents ▸ List of Commands ▸ Arrays, Tiles and Frames ▸ tunnel

◀ taquin | boxfitting ▶

tunnel

Arguments:

_level>=0,_factor>0,_centering_x,_centering_y,_opacity,_angle

Description:

Apply tunnel effect on selected images.

Default values:

level=9, factor=80%, centering_x=centering_y=0.5, opacity=1 and angle=0

Example of use:

image.jpg tunnel 20

Command: image.jpg tunnel 20

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.