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test_odom.cpp

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#include <pr2_mechanism_controllers/Pose3D.h>
#include <ros/node.h>
#include <geometry_msgs/Twist.h>
#include <nav_msgs/Odometry.h>
#include <geometry_msgs/Quaternion.h>
#include <iostream>
#include <fstream>

static int done = 0;

void finalize(int donecare)
{
  done = 1;
}


// Return the rotation in Euler angles
libTF::Vector GetAsEuler(geometry_msgs::Quaternion quat)
{
  libTF::Vector vec;

  double squ;
  double sqx;
  double sqy;
  double sqz;

//  this->Normalize();

  squ = quat.w * quat.w;
  sqx = quat.x * quat.x;
  sqy = quat.y * quat.y;
  sqz = quat.z * quat.z;

  // Roll
  vec.x = atan2(2 * (quat.y*quat.z + quat.w*quat.x), squ - sqx - sqy + sqz);

  // Pitch
  vec.y = asin(-2 * (quat.x*quat.z - quat.w * quat.y));

  // Yaw
  vec.z = atan2(2 * (quat.x*quat.y + quat.w*quat.z), squ + sqx - sqy - sqz);

  return vec;
}


class test_run_base
{
  public:

    test_run_base(){}; 

    ~test_run_base() {}

    nav_msgs::Odometry odom;

    void odomMsgReceived()
    {
    };

};

int main( int argc, char** argv )
{

  /*********** Initialize ROS  ****************/
  ros::init(argc,argv);
  ros::Node *node = new ros::Node("test_run_base_controller"); 

  test_run_base tb;

  node->subscribe("odom",tb.odom,&test_run_base::odomMsgReceived,&tb,10);

  signal(SIGINT,  finalize);
  signal(SIGQUIT, finalize);
  signal(SIGTERM, finalize);


  /*********** Start moving the robot ************/
  geometry_msgs::Twist cmd;
  cmd.linear.x = 0;
  cmd.linear.y = 0;
  cmd.linear.z = 0;
  cmd.angular.x = 0;
  cmd.angular.y = 0;
  cmd.angular.z = 0;

  double run_time = 0;
  bool run_time_set = false;
  int file_num = 0;

  if(argc >= 2)
    cmd.linear.x = atof(argv[1]);

  if(argc >= 3)
    cmd.linear.y = atof(argv[2]);

  if(argc >= 4)
    cmd.angular.z = atof(argv[3]);

  if(argc >=5)
  { 
     run_time = atof(argv[4]);
     run_time_set = true;
  }

  if(argc ==6)
  {
     file_num = atoi(argv[5]);
  }

  node->advertise<geometry_msgs::Twist>("cmd_vel",10);
  sleep(1);

  libTF::Vector ang_rates;
  ros::Time start_time = ros::Time::now();
  ros::Duration sleep_time = ros::Duration().fromSec(0.01);

  std::ofstream odom_log_file;
  odom_log_file.open("odom_log.txt");


  while(!done)
  {
     ros::Duration delta_time = ros::Time::now() - start_time;

     if(run_time_set && delta_time.toSec() > run_time)
        break;

     odom_log_file << tb.odom.pose.pose.position.x <<  " " << tb.odom.pose.pose.position.y << " " << tf::getYaw(tb.odom.pose.pose.orientation) << " " << tb.odom.twist.twist.linear.x <<  " " << tb.odom.twist.twist.linear.y << " " << tb.odom.twist.twist.angulat.z << " " << tb.odom.header.stamp.sec + tb.odom.header.stamp.nsec/1.0e9 << std::endl;

     cout << endl << "odometry:: " << endl << "velocity:" << endl << " x:" << tb.odom.twist.twist.linear.x <<  endl << " y:" << tb.odom.twist.twist.linear.y << endl << " omega:" << tb.odom.twist.twist.angular.z << std::endl;
    node->publish("cmd_vel",cmd);
    sleep_time.sleep();
  }

  node->unsubscribe("odom");
  node->unadvertise("cmd_vel");

  odom_log_file.close();

  
}

---

pr2_mechanism_controllers
Author(s): Sachin Chita, John Hsu, Melonee Wise
autogenerated on Fri Mar 1 16:52:51 2013