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: 3.6.2        Current pre-release: 3.6.3 (2025/10/08)

Reference
Table of Contents  ▸  List of Commands  ▸  Features Extraction  ▸  at_curve◀  area_fg    |    at_quadrangle  ▶

at_curve

Arguments:

  • x0[%],y0[%],z0[%],...,xN[%],yn[%],zn[%]

Description:

Retrieve pixels of the selected images belonging to the specified cubic spline curve that passes across the specified points.

Example of use:

<a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +at_curve 0,0,0,80%,50%,0,100%,100%,0

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +at_curve 0,0,0,80%,50%,0,100%,100%,0
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +at_curve 0,0,0,80%,50%,0,100%,100%,0
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.