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

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 ▸ atan

◀ asinh | atan2 ▶

atan	Built-in command

No arguments

Description:

Compute the pointwise arctangent of selected images.

This command has a tutorial page.

Examples of use:

• Example #1

image.jpg +normalize 0,8 atan[-1]

Command: image.jpg +normalize 0,8 atan[-1]

Command: image.jpg +normalize 0,8 atan[-1]

• Example #2

300,1,1,1,'4*x/w+u' +atan display_graph 400,300

Command: 300,1,1,1,'4*x/w+u' +atan display_graph 400,300

Command: 300,1,1,1,'4*x/w+u' +atan 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.