testOccipitalStructure_Core_imu.cpp

This example shows how to retrieve IMU data from a Occipital Structure Core sensor with libStructure.

/****************************************************************************
 *
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2021 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:
 * IMU data acquisition with Structure Core sensor and libStructure.
 *
 *****************************************************************************/

#include <iostream>

#include <visp3/core/vpConfig.h>

#if defined( VISP_HAVE_OCCIPITAL_STRUCTURE ) && ( VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11 )

#include <visp3/gui/vpPlot.h>
#include <visp3/sensor/vpOccipitalStructure.h>

int
main()
{
  try
  {
    double initial_ts, ts;
    vpOccipitalStructure sc;
    vpColVector imu_vel, imu_acc;

    ST::CaptureSessionSettings settings;
    settings.source                             = ST::CaptureSessionSourceId::StructureCore;
    settings.structureCore.depthEnabled         = true;
    settings.structureCore.visibleEnabled       = true;
    settings.structureCore.accelerometerEnabled = true;
    settings.structureCore.gyroscopeEnabled     = true;
    settings.structureCore.imuUpdateRate        = ST::StructureCoreIMUUpdateRate::AccelAndGyro_1000Hz;

    sc.open( settings );

    // Create plotters
    vpPlot acceleration_plotter( 1, 400, 800, 10, 10, "Accelerations" );
    vpPlot rotationRate_plotter( 1, 400, 800, 10, 450, "Rotation rates" );
    acceleration_plotter.initGraph( 0, 3 );
    rotationRate_plotter.initGraph( 0, 3 );

    acceleration_plotter.setColor( 0, 0, vpColor::blue );
    acceleration_plotter.setColor( 0, 1, vpColor::red );
    acceleration_plotter.setColor( 0, 2, vpColor::green );
    rotationRate_plotter.setColor( 0, 0, vpColor::blue );
    rotationRate_plotter.setColor( 0, 1, vpColor::red );
    rotationRate_plotter.setColor( 0, 2, vpColor::green );

    acceleration_plotter.plot( 0, 0, 0, 0 );
    acceleration_plotter.plot( 0, 1, 0, 0 );
    acceleration_plotter.plot( 0, 2, 0, 0 );
    rotationRate_plotter.plot( 0, 0, 0, 0 );
    rotationRate_plotter.plot( 0, 1, 0, 0 );
    rotationRate_plotter.plot( 0, 2, 0, 0 );

    acceleration_plotter.setLegend( 0, 0, "X axis" );
    acceleration_plotter.setLegend( 0, 1, "Y axis" );
    acceleration_plotter.setLegend( 0, 2, "Z axis" );
    rotationRate_plotter.setLegend( 0, 0, "X axis" );
    rotationRate_plotter.setLegend( 0, 1, "Y axis" );
    rotationRate_plotter.setLegend( 0, 2, "Z axis" );

    sc.getIMUData( &imu_vel, &imu_acc, &initial_ts );

    bool quit = false;
    while ( !quit )
    {
      sc.getIMUData( &imu_vel, &imu_acc, &ts );

      acceleration_plotter.plot( 0, ts - initial_ts, imu_acc );
      rotationRate_plotter.plot( 0, ts - initial_ts, imu_vel );
      if ( vpDisplay::getClick( acceleration_plotter.I, false ) ||
           vpDisplay::getClick( rotationRate_plotter.I, false ) )
      {
        quit = true;
      }
    }
  }
  catch ( const vpException &e )
  {
    std::cerr << "Structure SDK error " << e.what() << std::endl;
  }
  catch ( const std::exception &e )
  {
    std::cerr << e.what() << std::endl;
  }

  return EXIT_SUCCESS;
}
#else
int
main()
{
#if !defined( VISP_HAVE_OCCIPITAL_STRUCTURE )
  std::cout << "You do not have Occipital Structure SDK functionality enabled..." << std::endl;
  std::cout << "Tip:" << std::endl;
  std::cout << "- Install libStructure, configure again ViSP using cmake and build again this example" << std::endl;
  return EXIT_SUCCESS;
#elif ( VISP_CXX_STANDARD < VISP_CXX_STANDARD_11 )
  std::cout << "You do not build ViSP with c++11 or higher compiler flag" << std::endl;
  std::cout << "Tip:" << std::endl;
  std::cout << "- Configure ViSP again using cmake -DUSE_CXX_STANDARD=11, and build again this example" << std::endl;
#endif
  return EXIT_SUCCESS;
}
#endif