Visual Servoing Platform  version 3.2.0 under development (2018-12-14)
plot2d.cpp

Plot 2D curves example.

/****************************************************************************
*
* 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:
* Example which describes how to use the vpPlot class
*
* Author:
* Nicolas Melchior
*
*****************************************************************************/
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpDebug.h>
#include <visp3/core/vpMath.h>
#include <visp3/gui/vpPlot.h>
int main()
{
#if defined(VISP_HAVE_DISPLAY)
try {
vpPlot plot(2, 700, 700, 100, 200, "Curves...");
// Change the default font
// plot.setFont("-misc-fixed-bold-r-semicondensed--0-0-75-75-c-0-iso8859-10");
// Initialize the number of curve for each graphic
plot.initGraph(0, 1);
plot.initGraph(1, 1);
// Set the color of the curves
plot.setColor(0, 0, vpColor::green);
plot.setColor(1, 0, vpColor::red);
// Set the titles of the graphic
char title[40];
strncpy(title, "cos function", 40);
plot.setTitle(0, title);
strncpy(title, "sin function", 40);
plot.setTitle(1, title);
// Set the legend of each curves
char legend[40];
strncpy(legend, "cos x", 40);
plot.setLegend(0, 0, legend);
strncpy(legend, "sin x", 40);
plot.setLegend(1, 0, legend);
// Set the x axis legend of each curves
char unit[40];
strncpy(unit, "x", 40);
plot.setUnitX(0, unit);
strncpy(unit, "x", 40);
plot.setUnitX(1, unit);
// Set the y axis legend of each curves
strncpy(unit, "y", 40);
plot.setUnitY(0, unit);
strncpy(unit, "y", 40);
plot.setUnitY(1, unit);
// Plot the cosinus and sinus functions
double i = 0;
while (i <= 20 * 2 * M_PI) {
double co = cos(i);
double si = sin(i);
plot.plot(0, 0, i, co);
plot.plot(1, 0, i, si);
i += 0.1;
}
// Save the datas as text files
plot.saveData(0, "dataCos.txt", "# ");
plot.saveData(1, "dataSin.txt", "# ");
return EXIT_SUCCESS;
} catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
return EXIT_FAILURE;
}
#else
std::cout << "Plot functionalities are not avalaible since no display is "
"available."
<< std::endl;
return EXIT_SUCCESS;
#endif
}