G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
Banner Institutions GREYC CNRS ENSICAEN UNICAEN

A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.6.3 (2025/10/13)

Reference
Table of Contents  ▸  List of Commands  ▸  Degradations  ▸  scanlines◀  pixelize    |    shade_stripes  ▶

scanlines

Arguments:

  • _amplitude,_bandwidth,_shape={ 0:Block | 1:Triangle | 2:Sine | 3:Sine+ | 4:Random },_angle,_offset

Description:

Apply ripple deformation on selected images.

Default values:

amplitude=60, bandwidth=2, shape=0, angle=0 and offset=0.

Example of use:

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

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +scanlines ,
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +scanlines ,
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.