Visual Servoing Platform
version 3.2.0
manGrabDisk.cpp
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/****************************************************************************
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*
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* ViSP, open source Visual Servoing Platform software.
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* Copyright (C) 2005 - 2019 by Inria. All rights reserved.
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*
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* This software is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file LICENSE.txt at the root directory of this source
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* distribution for additional information about the GNU GPL.
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*
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* For using ViSP with software that can not be combined with the GNU
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* GPL, please contact Inria about acquiring a ViSP Professional
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* Edition License.
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*
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* See http://visp.inria.fr for more information.
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*
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* This software was developed at:
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* Inria Rennes - Bretagne Atlantique
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* Campus Universitaire de Beaulieu
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* 35042 Rennes Cedex
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* France
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*
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* If you have questions regarding the use of this file, please contact
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* Inria at visp@inria.fr
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*
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* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Description:
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* Images grabbing example.
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*
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* Authors:
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* Anthony Saunier
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* Fabien Spindler
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*
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*****************************************************************************/
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#include <visp3/core/vpConfig.h>
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#include <visp3/core/vpImage.h>
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#include <visp3/io/vpDiskGrabber.h>
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int
main()
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{
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try
{
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vpImage<unsigned char>
I;
// Grey level image
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// Declare a framegrabber able to read a sequence of successive
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// images from the disk
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vpDiskGrabber
g;
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// Set the path to the directory containing the sequence
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g.
setDirectory
(
"/tmp"
);
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// Set the image base name. The directory and the base name constitute
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// the constant part of the full filename
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g.
setBaseName
(
"image"
);
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// Set the step between two images of the sequence
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g.
setStep
(3);
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// Set the number of digits to build the image number
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g.
setNumberOfZero
(4);
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// Set the first frame number of the sequence
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g.
setImageNumber
(1);
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// Set the file extension of the images of the sequence
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g.
setExtension
(
"pgm"
);
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// Open the framegrabber by loading the first image of the sequence
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g.
open
(I);
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// this is the loop over the image sequence
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for
(
int
cpt = 0; cpt < 100; cpt++) {
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// read the image and then increment the image counter so that the next
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// call to acquire(I) will get the next image
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g.
acquire
(I);
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}
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return
EXIT_SUCCESS;
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}
catch
(
const
vpException
&e) {
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std::cout <<
"Catch an exception: "
<< e << std::endl;
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return
EXIT_FAILURE;
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}
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}
vpDiskGrabber::acquire
void acquire(vpImage< unsigned char > &I)
Definition:
vpDiskGrabber.cpp:143
vpDiskGrabber::setImageNumber
void setImageNumber(long number)
Definition:
vpDiskGrabber.cpp:338
vpDiskGrabber
Class to grab (ie. read) images from the disk.
Definition:
vpDiskGrabber.h:107
vpDiskGrabber::setNumberOfZero
void setNumberOfZero(unsigned int noz)
Definition:
vpDiskGrabber.cpp:351
vpDiskGrabber::setStep
void setStep(long step)
Definition:
vpDiskGrabber.cpp:347
vpDiskGrabber::setBaseName
void setBaseName(const std::string &name)
Definition:
vpDiskGrabber.cpp:328
vpImage< unsigned char >
vpException
error that can be emited by ViSP classes.
Definition:
vpException.h:70
vpDiskGrabber::open
void open(vpImage< unsigned char > &I)
Definition:
vpDiskGrabber.cpp:83
vpDiskGrabber::setDirectory
void setDirectory(const std::string &dir)
Definition:
vpDiskGrabber.cpp:323
vpDiskGrabber::setExtension
void setExtension(const std::string &ext)
Definition:
vpDiskGrabber.cpp:333
example
manual
image-manipulation
manGrabDisk.cpp
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