Visual Servoing Platform  version 3.2.0 under development (2018-08-18)
manGrabDisk.cpp

Images grabbing example with the vpDiskGrabber class.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 by Inria. All rights reserved.
*
* This software is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Images grabbing example.
*
* Authors:
* Anthony Saunier
* Fabien Spindler
*
*****************************************************************************/
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpImage.h>
#include <visp3/io/vpDiskGrabber.h>
int main()
{
try {
vpImage<unsigned char> I; // Grey level image
// Declare a framegrabber able to read a sequence of successive
// images from the disk
// Set the path to the directory containing the sequence
g.setDirectory("/tmp");
// Set the image base name. The directory and the base name constitute
// the constant part of the full filename
g.setBaseName("image");
// Set the step between two images of the sequence
g.setStep(3);
// Set the number of digits to build the image number
// Set the first frame number of the sequence
// Set the file extension of the images of the sequence
g.setExtension("pgm");
// Open the framegrabber by loading the first image of the sequence
g.open(I);
// this is the loop over the image sequence
for (int cpt = 0; cpt < 100; cpt++) {
// read the image and then increment the image counter so that the next
// call to acquire(I) will get the next image
g.acquire(I);
}
return EXIT_SUCCESS;
} catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return EXIT_FAILURE;
}
}