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

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

Reference

Table of Contents ▸ List of Commands ▸ Mathematical Operators ▸ sign

◀ ror | sin ▶

sign	Built-in command

No arguments

Description:

Compute the pointwise sign of selected images.

Examples of use:

• Example #1

<a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +sub {ia} sign[-1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +sub {ia} sign[-1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +sub {ia} sign[-1]

• Example #2

300,1,1,1,'cos(20*x/w+u)' +sign display_graph 400,300

Command: 300,1,1,1,'cos(20*x/w+u)' +sign display_graph 400,300

Command: 300,1,1,1,'cos(20*x/w+u)' +sign display_graph 400,300

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.