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

Table of Contents ▸ List of Commands ▸ Geometry Manipulation ▸ crop

◀ columns | diagonal ▶

crop	Built-in command

Arguments:

x0[%],x1[%],_boundary_conditions or
x0[%],y0[%],x1[%],y1[%],_boundary_conditions or
x0[%],y0[%],z0[%],x1[%],y1[%],z1[%],_boundary_conditions or
x0[%],y0[%],z0[%],c0[%],x1[%],y1[%],z1[%],c1[%],_boundary_conditions

Description:

Crop selected images with specified region coordinates.

(equivalent to shortcut command z).

boundary_conditions can be { 0:dirichlet | 1:neumann | 2:periodic | 3:mirror }.

Default values:

boundary_conditions=0.

Examples of use:

• Example #1

image.jpg +crop -230,-230,280,280,1 crop[0] -230,-230,280,280,0

Command: image.jpg +crop -230,-230,280,280,1 crop[0] -230,-230,280,280,0

• Example #2

image.jpg crop 25%,25%,75%,75%

Command: image.jpg crop 25%,25%,75%,75%

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.

A Full-Featured Open-Source Framework for Image Processing