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: 4.0.4 (2026/08/19)

Reference
Table of Contents  ▸  List of Commands  ▸  Reptorian's Commands  ▸  rep_hsx_poster_index◀  rep_tiled_zoom    |    rep_mj_pseudorandom_noise  ▶

rep_hsx_poster_index

Arguments:

  • if $4<0 <=hue_bands<=360,saturation_bands,luminosity_bands,n/a,_colorspace={ 0=hsi | 1=hsl | 2=hsv | 3=hcy }    or
  • else 0<=hue_bands<=360,saturation_bands,luminosity_bands,0<=_dithering<=1,0<=start_hue<360,_colorspace={ 0=hsi | 1=hsl | 2=hsv | 3=hcy }

Description:

Posterize images using indexing and several variants of hsx models.

(equivalent to shortcut command rep_hsx_p_i).


Author: Reptorian

Default values:

_dithering=50%,start_hue=0,_colorspace=3

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.