Example #1
0
bool ROSnode::Prepare() {
  seq = 0;
  //Retrieve parameters
  if (Handle.getParam("device", dev)) {
    ROS_INFO("Node %s: retrieved parameter device.", ros::this_node::getName().c_str());
  }
  else {
    ROS_FATAL("Node %s: unable to retrieve parameter device.", ros::this_node::getName().c_str());
    return false;
  }
  
  
  if (Handle.getParam("rate", rate)) {
    ROS_INFO("Node %s: retrieved parameter rate.", ros::this_node::getName().c_str());
  }
  else {
    ROS_WARN("Node %s: unable to retrieve parameter rate. Setting default value to 20", ros::this_node::getName().c_str());
    rate = 20;
  }

  PublisherMag = Handle.advertise<sensor_msgs::MagneticField>("mag", 50);
  PublisherImu = Handle.advertise<sensor_msgs::Imu>("imu", 50);

  driver.setFrequency(rate);

  //Open and initialize the device
  if(!driver.open(dev) ||
     !driver.setReadingMode(xsens_imu::CAL_AND_ORI_DATA) ||
     !driver.setTimeout(100))
    return false;
  
  ROS_INFO("Node %s ready to run.", ros::this_node::getName().c_str());
  return true;
}
void GenericHWInterface::loadURDF(ros::NodeHandle &nh, std::string param_name)
{
  std::string urdf_string;
  urdf_model_ = new urdf::Model();

  // search and wait for robot_description on param server
  while (urdf_string.empty() && ros::ok())
  {
    std::string search_param_name;
    if (nh.searchParam(param_name, search_param_name))
    {
      ROS_INFO_STREAM_NAMED("generic_hw_interface", "Waiting for model URDF on the ROS param server at location: " <<
                            nh.getNamespace() << search_param_name);
      nh.getParam(search_param_name, urdf_string);
    }
    else
    {
      ROS_INFO_STREAM_NAMED("generic_hw_interface", "Waiting for model URDF on the ROS param server at location: " <<
                            nh.getNamespace() << param_name);
      nh.getParam(param_name, urdf_string);
    }

    usleep(100000);
  }

  if (!urdf_model_->initString(urdf_string))
    ROS_ERROR_STREAM_NAMED("generic_hw_interface", "Unable to load URDF model");
  else
    ROS_DEBUG_STREAM_NAMED("generic_hw_interface", "Received URDF from param server");
}
bool RTKRobotArm::_initialize(const ros::NodeHandle& n) {
	bool ret=true;

	// path to RTK format data folder. Keep robots here!
	if(!n.getParam("data_path", data_path)) {
		ROS_ERROR("Must provide data_path!");
		ret = false;
	} else {
		ROS_INFO_STREAM("Data Folder: "<<data_path);
	}

	// RTK format robot name
	if(!n.getParam("robot_name", rob_name)) {
		ROS_ERROR("Must provide robot_name!");
		ret = false;
	} else {
		ROS_INFO_STREAM("Robot: "<<rob_name);
	}

	// EE link name in the structure.xml
	if(!n.getParam("ee_link", ee_link)) {
		ROS_ERROR("Must provide ee_link!");
		ret = false;
	} else {
		ROS_INFO_STREAM("EELink: "<<ee_link);
	}

	if(!n.getParam("max_jvel_deg", max_jvel)) {
		max_jvel = DEFAULT_MAX_JVEL_DEG;
	}
	ROS_INFO_STREAM("Max. Joint Vel. (deg): "<<max_jvel);

	return ret;
}
bool loadRobotModel(ros::NodeHandle node_handle, urdf::Model &robot_model, std::string &root_name, std::string &tip_name, std::string &xml_string)
{
    std::string urdf_xml,full_urdf_xml;
    node_handle.param("urdf_xml",urdf_xml,std::string("robot_description"));
    node_handle.searchParam(urdf_xml,full_urdf_xml);
    TiXmlDocument xml;
    ROS_DEBUG("Reading xml file from parameter server\n");
    std::string result;
    if (node_handle.getParam(full_urdf_xml, result))
        xml.Parse(result.c_str());
    else
    {
        ROS_FATAL("Could not load the xml from parameter server: %s\n", urdf_xml.c_str());
        return false;
    }
    xml_string = result;
    TiXmlElement *root_element = xml.RootElement();
    TiXmlElement *root = xml.FirstChildElement("robot");
    if (!root || !root_element)
    {
        ROS_FATAL("Could not parse the xml from %s\n", urdf_xml.c_str());
        exit(1);
    }
    robot_model.initXml(root);
    if (!node_handle.getParam("root_name", root_name)) {
        ROS_FATAL("No root name found on parameter server");
        return false;
    }
    if (!node_handle.getParam("tip_name", tip_name)) {
        ROS_FATAL("No tip name found on parameter server");
        return false;
    }
    return true;
}
void CalcMin::chatterCallback1(const fts_Omega160::fts msg)
{
int data1;
int data2;
int data3;
int data4;
int stop;

  n.setParam("/stop", 0);
  req.data = std::vector<int>(8);
  req.data[4] = msg.Fx;
  req.data[5] = msg.Fy;
  req.data[6] = msg.Fz;

	if (n.getParam("/data1", data1)){
		  req.data[0] = data1;
		}
	if (n.getParam("/data2", data2)){
		  req.data[1] = data2;
		}
	if (n.getParam("/data3", data3)){
		  req.data[2] = data3;
		}
	if (n.getParam("/data4", data4)){
		  req.data[3] = data4;
		}
	if (n.getParam("/stop", stop)){
		  req.data[7] = stop;
		}


  pub = n.advertise<std_msgs::Int32MultiArray>("/min_pub",1000); 
  pub.publish(req);
}
geometry_msgs::PoseStamped getCamPose(ros::NodeHandle n)
{
    geometry_msgs::PoseStamped cam_pose;

    //set orientation
    cam_pose.pose.orientation.w = 1;

    if (!n.getParam("/suturo_manipulation_tf_publisher/cam_frame", cam_pose.header.frame_id))
    {
        ROS_ERROR_STREAM("Failed to Frame for Cam.");
    }
    if (!n.getParam("/suturo_manipulation_tf_publisher/cam_x", cam_pose.pose.position.x))
    {
        ROS_ERROR_STREAM("Failed to get x coordinate for Cam.");
    }
    if (!n.getParam("/suturo_manipulation_tf_publisher/cam_y", cam_pose.pose.position.y))
    {
        ROS_ERROR_STREAM("Failed to get y coordinate for Cam.");
    }
    if (!n.getParam("/suturo_manipulation_tf_publisher/cam_z", cam_pose.pose.position.z))
    {
        ROS_ERROR_STREAM("Failed to get z coordinate for Cam.");
    }

    return cam_pose;
}
void global_path::getparameters(ros::NodeHandle n)
{
  if (n.getParam("dbname", s_dbname))
    ROS_INFO("Got param: %s", s_dbname.c_str());
  else
    ROS_ERROR("Failed to get param 'dbname'");

  if (n.getParam("user", s_user))
    ROS_INFO("Got param: %s", s_user.c_str());
  else
    ROS_ERROR("Failed to get param 'user'");

  if (n.getParam("password", s_password))
    ROS_INFO("Got param: %s", s_password.c_str());
  else
    ROS_ERROR("Failed to get param 'password'");

  if (n.getParam("hostaddr", s_hostaddr))
    ROS_INFO("Got param: %s", s_hostaddr.c_str());
  else
    ROS_ERROR("Failed to get param 'hostaddr'");

  if (n.getParam("port", s_port))
    ROS_INFO("Got param: %d", s_port);
  else
    ROS_ERROR("Failed to get param 'port'");
}
	void IkJointControllerClass::getParams(ros::NodeHandle& n) {
		ROS_INFO("getting gains params and join name params");

		XmlRpc::XmlRpcValue joint_names;  //array of 7 joint names

		if (!n.getParam("joints", joint_names)){
		    ROS_ERROR("No joints given. (namespace: %s)", n.getNamespace().c_str());
		}

		if ((joint_names.getType() != XmlRpc::XmlRpcValue::TypeArray) || (joint_names.size() != 7)){
		    ROS_ERROR("Malformed joint specification.  (namespace: %s)", n.getNamespace().c_str());
		}

		std::string joint_param_ns;
		for (int i = 0; i < 7; i++){
			XmlRpc::XmlRpcValue &name_value = joint_names[i];
		    if (name_value.getType() != XmlRpc::XmlRpcValue::TypeString){
		    	ROS_ERROR("Array of joint names should contain all strings.  (namespace: %s)", n.getNamespace().c_str());
		    }
		    joint_names_[i] = ((std::string)name_value).c_str();

		    joint_param_ns = std::string("gains/") + joint_names_[i];
			n.getParam(joint_param_ns + "/p", p_[i]);
			n.getParam(joint_param_ns + "/d", d_[i]);

			ROS_INFO("NEW YAML got %d-th joint name %s with (p,d) gains parameters: (%f,%f)",
					i,
					joint_names_[i].c_str(),
					p_[i],
					d_[i]);
		}

    }
void CollisionPluginLoader::setupScene(
  ros::NodeHandle& nh,
  const planning_scene::PlanningScenePtr& scene)
{
  if (!scene)
    return;

  std::string param_name;
  std::string collision_detector_name;

  if (nh.searchParam("collision_detector", param_name))
  {
    nh.getParam(param_name, collision_detector_name);
  }
  else if (nh.hasParam("/move_group/collision_detector"))
  {
    // Check for existence in move_group namespace
    // mainly for rviz plugins to get same collision detector.
    nh.getParam("/move_group/collision_detector", collision_detector_name);
  }
  else
  {
    return;
  }

  if (collision_detector_name == "")
  {
    // This is not a valid name for a collision detector plugin
    return;
  }

  activate(collision_detector_name, scene, true);
  ROS_INFO_STREAM("Using collision detector:" << scene->getActiveCollisionDetectorName().c_str());
}
Example #10
0
 bool spin()
 {
     ROS_INFO("camera node is running.");
     h264Server.start();
     while (node.ok())
     {
         // Process any pending service callbacks
         ros::spinOnce();
         std::string newResolution;
         node.getParam("resolution", newResolution);
         int newWidth = std::stoi(newResolution.substr(0, newResolution.find('x')));
         int newHeight = std::stoi(newResolution.substr(newResolution.find('x') + 1));
         std::string newVideoDevice;
         node.getParam("video_device", newVideoDevice);
         bool newDetectorEnabled;
         node.getParam("detector_enabled", newDetectorEnabled);
         if (newVideoDevice != videoDevice || 
                 newDetectorEnabled != detectorEnabled ||
                 newWidth != cameraWidth ||
                 newHeight != cameraHeight) {
             initCameraAndEncoders();
         }
         if(!sendPreview()) {
             // Sleep and hope the camera recovers
             usleep(1000*1000);
         }
         // Run at 1kHz
         usleep(1000);
     }
     h264Server.stop();
     return true;
 }
void Adventurer::init()
{
    // strings temporaires
    std::string sSubscribeName,
                sRightWheel,
                sLeftWheel;

    // essaye de récupérer le nom du topic sur lequel on recoie les ordres
    // si aucun parametre n'est pas trouvé, on utilise une valeur par defaut
    if (!m_NodeHandle.getParam("sub_name", sSubscribeName))
        sSubscribeName = "adventurer_order"; // valeur par defaut
    
    // création du subscriber pour recevoir les ordres
    // on passe en parametre la callback (order_cb) et l'objet qui l'appellera (this)
    m_OrderSubscriber = m_NodeHandle.subscribe(sSubscribeName, 1, &Adventurer::order_cb, this);
    // création du publisher pour envoyer des ordres au robot
    m_WheelsPublisher = m_NodeHandle.advertise<nxt_msgs::JointCommand>("joint_command", 1);

    // cf. ligne 42
    if (!m_NodeHandle.getParam("right_wheel", sRightWheel))
        sRightWheel = "motor_r";
    if (!m_NodeHandle.getParam("left_wheel", sLeftWheel))
        sLeftWheel  = "motor_l";

    m_sRightWheel = sRightWheel;
    m_sLeftWheel  = sLeftWheel;
}
void getParams(const ros::NodeHandle &nh)
{
    //avg accel update period (number of msgs until next localization udpate)
    if (nh.getParam("update_period", UPDATE_PERIOD))
    {
        ROS_INFO("Set %s/update_period to %d",nh.getNamespace().c_str(), UPDATE_PERIOD);
    }
    else
    {
        if(nh.hasParam("update_period"))
            ROS_WARN("%s/update_period must be an integer. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_UPDATE_PERIOD);
        else
            ROS_WARN("No value set for %s/update_period. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_UPDATE_PERIOD);
        UPDATE_PERIOD = DEFAULT_LOC_NODE_UPDATE_PERIOD;
    }

    //frequency this node publishes a new topic
    if (nh.getParam("publish_freq", PUBLISH_FREQ))
    {
        ROS_INFO("Set %s/publish_freq to %d",nh.getNamespace().c_str(), PUBLISH_FREQ);
    }
    else
    {
        if(nh.hasParam("publish_freq"))
            ROS_WARN("%s/publish_freq must be an integer. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_PUBLISH_FREQ);
        else
            ROS_WARN("No value set for %s/publish_freq. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_PUBLISH_FREQ);
        PUBLISH_FREQ = DEFAULT_LOC_NODE_PUBLISH_FREQ;
    }

    //number of states from coax_filter this node will buffer before it begins to drop them
    if (nh.getParam("fstate_msg_buffer", FSTATE_MSG_BUFFER))
    {
        ROS_INFO("Set %s/fstate_msg_buffer to %d",nh.getNamespace().c_str(), FSTATE_MSG_BUFFER);
    }
    else
    {
        if(nh.hasParam("fstate_msg_buffer"))
            ROS_WARN("%s/fstate_msg_buffer must be an integer. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_FSTATE_MSG_BUFFER);
        else
            ROS_WARN("No value set for %s/fstate_msg_buffer. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_FSTATE_MSG_BUFFER);
        FSTATE_MSG_BUFFER = DEFAULT_LOC_NODE_FSTATE_MSG_BUFFER;
    }

    //number of messages this node will queue for publishing before droping old data
    if (nh.getParam("msg_queue", MSG_QUEUE))
    {
        ROS_INFO("Set %s/msg_queue to %d",nh.getNamespace().c_str(), MSG_QUEUE);
    }
    else
    {
        if(nh.hasParam("msg_queue"))
            ROS_WARN("%s/msg_queue must be an integer. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_MSG_QUEUE);
        else
            ROS_WARN("No value set for %s/msg_queue. Setting default value: %d",nh.getNamespace().c_str(), DEFAULT_LOC_NODE_MSG_QUEUE);
        MSG_QUEUE = DEFAULT_LOC_NODE_MSG_QUEUE;
    }
}
void
fillCameraInfoMessage (ros::NodeHandle nh, std::string base_name, sensor_msgs::CameraInfo& camera_info_msg )
{
  // Read calibration data and fill camera_info message:
  int width, height;
  nh.param(base_name + "/image_width", width, 640);
  nh.param(base_name + "/image_height", height, 480);
  camera_info_msg.width = width;
  camera_info_msg.height = height;

  std::string distortion_model;
  if (not nh.getParam (base_name + "/distortion_model", distortion_model))
  {
    ROS_ERROR("Stereo calibration parameters not found!");
  }
  camera_info_msg.distortion_model = distortion_model;

  std::vector<float> camera_matrix;
  if (not nh.getParam (base_name + "/camera_matrix/data", camera_matrix))
  {
    ROS_ERROR("Stereo calibration parameters not found!");
  }
  for (unsigned int i = 0; i < camera_matrix.size(); i++)
  {
    camera_info_msg.K[i] = camera_matrix[i];
  }

  std::vector<float> rectification_matrix;
  if (not nh.getParam (base_name + "/rectification_matrix/data", rectification_matrix))
  {
    ROS_ERROR("Stereo calibration parameters not found!");
  }
  for (unsigned int i = 0; i < rectification_matrix.size(); i++)
  {
    camera_info_msg.R[i] = rectification_matrix[i];
  }

  std::vector<float> projection_matrix;
  if (not nh.getParam (base_name + "/projection_matrix/data", projection_matrix))
  {
    ROS_ERROR("Stereo calibration parameters not found!");
  }
  for (unsigned int i = 0; i < projection_matrix.size(); i++)
  {
    camera_info_msg.P[i] = projection_matrix[i];
  }

  std::vector<float> distortion_coefficients;
  if (not nh.getParam (base_name + "/distortion_coefficients/data", distortion_coefficients))
  {
    ROS_ERROR("Stereo calibration parameters not found!");
  }
  for (unsigned int i = 0; i < distortion_coefficients.size(); i++)
  {
    camera_info_msg.D.push_back(distortion_coefficients[i]);
  }
}
bool Kinematics::init() {
    // Get URDF XML
    std::string urdf_xml, full_urdf_xml;
    nh.param("urdf_xml",urdf_xml,std::string("robot_description"));
    nh.searchParam(urdf_xml,full_urdf_xml);
    ROS_DEBUG("Reading xml file from parameter server");
    std::string result;
    if (!nh.getParam(full_urdf_xml, result)) {
        ROS_FATAL("Could not load the xml from parameter server: %s", urdf_xml.c_str());
        return false;
    }
 
    std::string kinematics_service_name;
    if (!nh_private.getParam("kinematics_service_name", kinematics_service_name)) {
        ROS_FATAL("GenericIK: kinematics service name not found on parameter server");
        return false;
    }
    // Get Root and Tip From Parameter Service
    if (!nh.getParam(kinematics_service_name+"/manipulator/root_name", root_name)) {
        ROS_FATAL("GenericIK: No root name found on parameter server");
        return false;
    }
    if (!nh.getParam(kinematics_service_name+"/manipulator/tip_name", tip_name)) {
        ROS_FATAL("GenericIK: No tip name found on parameter server");
        return false;
    }

    // Load and Read Models
    if (!loadModel(result)) {
        ROS_FATAL("Could not load models!");
        return false;
    }

    // Get Solver Parameters
    int maxIterations;
    double epsilon;

    nh_private.param("maxIterations", maxIterations, 1000);
    nh_private.param("epsilon", epsilon, 1e-2); // .01

    // Build Solvers
    fk_solver = new KDL::ChainFkSolverPos_recursive(chain);
    ik_solver_vel = new KDL::ChainIkSolverVel_pinv(chain);

    ik_solver_pos = new KDL::ChainIkSolverPos_NR_JL(chain, joint_min, joint_max, *fk_solver, *ik_solver_vel, maxIterations, epsilon);

    ROS_INFO("Advertising services");
    fk_service = nh_private.advertiseService(FK_SERVICE,&Kinematics::getPositionFK,this);

    // ik_service = nh_private.advertiseService(IK_SERVICE,&Kinematics::getPositionIK,this);
    ik_service = nh_private.advertiseService(IK_SERVICE,&Kinematics::searchPositionIK,this);

    ik_solver_info_service = nh_private.advertiseService(IK_INFO_SERVICE,&Kinematics::getIKSolverInfo,this);
    fk_solver_info_service = nh_private.advertiseService(FK_INFO_SERVICE,&Kinematics::getFKSolverInfo,this);

    return true;
}
 void GetTuningParameters()
 {
     n.getParam("KPR",KPR);
     n.getParam("KPL",KPL);
     n.getParam("KIL",KIL);
     n.getParam("KIR",KIR);
     n.getParam("KDR",KDR);
     n.getParam("KDL",KDL);
 }
Example #16
0
// Set Opencv Algorithm parameters from ROS parameter server
void setParameters( ros::NodeHandle& nodeHandle, cv::Ptr<cv::Algorithm>&& algorithm, const std::string& base_name )
{
  std::vector<cv::String> parameters;
  algorithm->getParams( parameters );

  for ( const auto& param : parameters )
  {
    if ( nodeHandle.hasParam(base_name + "/" + param) )
    {
      int param_type = algorithm->paramType( param );

      switch ( param_type )
      {
        case cv::Param::INT:
        {
          int val;
          nodeHandle.getParam(base_name + "/" + param, val);
          algorithm->set(param, val);
          std::cout << "  " << param << ": " << val << std::endl;
          break;
        }

        case cv::Param::BOOLEAN:
        {
          bool val;
          nodeHandle.getParam(base_name + "/" + param, val);
          algorithm->set(param, val);
          std::cout << "  " << param << ": " << val << std::endl;
          break;
        }

        case cv::Param::REAL:
        {
          double val;
          nodeHandle.getParam(base_name + "/" + param, val);
          algorithm->set(param, val);
          std::cout << "  " << param << ": " << val << std::endl;
          break;
        }

        case cv::Param::STRING:
        {
          std::string val;
          nodeHandle.getParam(base_name + "/" + param, val);
          algorithm->set(param, val);
          std::cout << "  " << param << ": " << val << std::endl;
          break;
        }

        default:
          ROS_ERROR_STREAM("unknown/unsupported parameter type for ");
          break;
      }
    }
  }
}
bool CMVisionColorBlobFinder::initialize(ros::NodeHandle &node_handle)
{

	uyvy_image_ = NULL;
	width_ = 0;
	height_ = 0;

	vision_ = new CMVision();

	blob_count_ = 0;
	blob_message_.blob_count = 0;

	// Get the color file. This defines what colors to track
	if (!node_handle.getParam("/cmvision/color_file", color_filename_))
	{
		ROS_ERROR("Could not find color calibration file name \"/cmvision/color_file\" in namespace: %s.", node_handle.getNamespace().c_str());
		return false;
	}

	// Get the level of debug output
	node_handle.param("/cmvision/debug_on", debug_on_, false);

	// check whether mean shift is turned on
	if (!node_handle.getParam("/cmvision/mean_shift_on", mean_shift_on_))
	{
		ROS_ERROR("Could not find mean shift flag \"/cmvision/mean_shift_on\" in namespace: %s.", node_handle.getNamespace().c_str());
		return false;
	}
	else
	{
		if (!node_handle.getParam("/cmvision/spatial_radius_pix", spatial_radius_))
		{
			ROS_ERROR("Could not get spatial_radius_pix from param server \"/cmvision/spatial_radius_pix\" in namespace: %s.", node_handle.getNamespace().c_str());
			return false;
		}

		if (!node_handle.getParam("/cmvision/color_radius_pix", color_radius_))
		{
			ROS_ERROR("Could not get color_radius_pix from param server \"/cmvision/color_radius_pix\" in namespace: %s.", node_handle.getNamespace().c_str());
			return false;
		}
	}

	// Subscribe to an image stream
	image_subscriber_ = node_handle.subscribe("image", 1, &CMVisionColorBlobFinder::imageCB, this);

	// Advertise our blobs
	blob_publisher_ = node_handle.advertise<cmvision::Blobs> ("blobs", 1);

	if (debug_on_)
	{
		cvNamedWindow("Image");
	}

	return true;
}
 /* The method set the hsv from node handle */
 void initParams()
 {
 	nh_.getParam("lowerH", hsv_vals_[0]);
 	nh_.getParam("lowerS", hsv_vals_[1]);
 	nh_.getParam("lowerV", hsv_vals_[2]);
 	nh_.getParam("upperH", hsv_vals_[3]);
 	nh_.getParam("upperS", hsv_vals_[4]);
 	nh_.getParam("upperV", hsv_vals_[5]);
   nh_.getParam("Tuning", tuning_);
 }
Example #19
0
RosTopicParser::RosTopicParser(ros::NodeHandle nh, std::string topic_name){
  _topic_name = ""; _queue_size = 1;
  if (nh.hasParam(topic_name)){
    nh.getParam("/" + topic_name + "/" + NAME_KEY, _topic_name);
    nh.getParam("/" + topic_name + "/" + QUEUE_SIZE_KEY, _queue_size);
    ROS_INFO("Topic %s, queue size %i", _topic_name.c_str(), _queue_size);
  }else{
    ROS_WARN("Topic not found.");
  }
}
bool setup(ros::NodeHandle nh){
    if (!nh.hasParam("/has_parameters")){
        return false;
    }
    nh.getParam("/rot_spread", rot_spread);
    nh.getParam("/vel_spread", vel_spread);
    nh.getParam("/updates_before_resample", updates_before_resample);
    nh.getParam("/times_to_resample", times_to_resample);
    nh.getParam("/prob_sigma", prob_sigma);
    nh.getParam("/maze_xmax", maze_xmax);
    nh.getParam("/maze_ymax", maze_ymax);

    std::vector<double> ir_positions_temp;

    for(int i=0;i<NUM_OBSERVATIONS;i++){
        std::string temp = "/ir_positions_";
        temp += boost::lexical_cast<std::string>(i+1);
        nh.getParam(temp, ir_positions_temp);
        sensor_positions[i][0] = ir_positions_temp[0];
        sensor_positions[i][1] = ir_positions_temp[1];
        sensor_positions[i][2] = ir_positions_temp[2];
    }
    bool known_pos;
    nh.getParam("/known_pos", known_pos);
    if(known_pos){
        nh.getParam("/start_x", position.x);
        nh.getParam("/start_y", position.y);
        nh.getParam("/start_theta", position.theta);
        init_known_pos(position.x, position.y, position.theta);
    }
    else{
        void init_un_known_pos(0.0,0.0,maze_xmax,maze_ymax);
    }
}
Example #21
0
/// Controller initialization in non-realtime                                                                                                                                     
bool MyCartControllerClass::init(pr2_mechanism_model::RobotState *robot,
                                 ros::NodeHandle &n)
{
  // Get the root and tip link names from parameter server.                                                                                                                       
  std::string root_name, tip_name;
  if (!n.getParam("root_name", root_name))
  {
    ROS_ERROR("No root name given in namespace: %s)",
              n.getNamespace().c_str());
    return false;
  }
  if (!n.getParam("tip_name", tip_name))
  {
    ROS_ERROR("No tip name given in namespace: %s)",
              n.getNamespace().c_str());
    return false;
  }

  // Construct a chain from the root to the tip and prepare the kinematics.                                                                                                       
  // Note the joints must be calibrated.                                                                                                                                          
  if (!chain_.init(robot, root_name, tip_name))
  {
    ROS_ERROR("MyCartController could not use the chain from '%s' to '%s'",
              root_name.c_str(), tip_name.c_str());
    return false;
  }

  // Store the robot handle for later use (to get time).                                                                                                                          
  robot_state_ = robot;

  // Construct the kdl solvers in non-realtime.                                                                                                                                   
  chain_.toKDL(kdl_chain_);
  jnt_to_pose_solver_.reset(new KDL::ChainFkSolverPos_recursive(kdl_chain_));
  jnt_to_jac_solver_.reset(new KDL::ChainJntToJacSolver(kdl_chain_));

  // Resize (pre-allocate) the variables in non-realtime.                                                                                                                         
  q_.resize(kdl_chain_.getNrOfJoints());
  q0_.resize(kdl_chain_.getNrOfJoints());
  qdot_.resize(kdl_chain_.getNrOfJoints());
  tau_.resize(kdl_chain_.getNrOfJoints());
  J_.resize(kdl_chain_.getNrOfJoints());

  // Pick the gains.                                                                                                                                                              
  Kp_.vel(0) = 100.0;  Kd_.vel(0) = 1.0;        // Translation x                                                                                                                  
  Kp_.vel(1) = 100.0;  Kd_.vel(1) = 1.0;        // Translation y                                                                                                                  
  Kp_.vel(2) = 100.0;  Kd_.vel(2) = 1.0;        // Translation z                                                                                                                  
  Kp_.rot(0) = 100.0;  Kd_.rot(0) = 1.0;        // Rotation x                                                                                                                     
  Kp_.rot(1) = 100.0;  Kd_.rot(1) = 1.0;        // Rotation y                                                                                                                     
  Kp_.rot(2) = 100.0;  Kd_.rot(2) = 1.0;        // Rotation z                                                                                                                     



  return true;
}
    void GetSteerJointNames(ros::NodeHandle &_nh)
    {
        // steer joint to get angular command
        _nh.getParam(ns_ + "front_steer", steer_jnt_name_);

        // virtual steer joint for gazebo control
        std::vector<std::string> virtual_steer_jnt_names;

        _nh.getParam(ns_ + "gazebo/virtual_front_steer", virtual_steer_jnt_names);

        virtual_steer_jnt_names_ = virtual_steer_jnt_names;
        cnt_virtual_steer_joints_ = virtual_steer_jnt_names_.size();
    }
    void GetWheelJointNames(ros::NodeHandle &_nh)
    {
        // wheel joint to get linear command
        _nh.getParam(ns_ + "rear_wheel", wheel_jnt_name_);

        // virtual wheel joint for gazebo control
        std::vector<std::string> virtual_wheel_jnt_names;

        _nh.getParam(ns_ + "gazebo/virtual_rear_wheel", virtual_wheel_jnt_names);

        virtual_wheel_jnt_names_ = virtual_wheel_jnt_names;
        cnt_virtual_wheel_joints_ = virtual_wheel_jnt_names_.size();
    }
  void SteerBotHardwareGazebo::GetSteerJointNames(ros::NodeHandle &_nh)
  {
    // steer joint to get angular command
    _nh.getParam(ns_ + "front_steer", steer_jnt_name_);

    // virtual steer joint for gazebo control
    _nh.getParam(ns_ + "virtual_front_steers", virtual_steer_jnt_names_);

    const int dof = virtual_steer_jnt_names_.size();
    virtual_steer_jnt_pos_.resize(dof);
    virtual_steer_jnt_vel_.resize(dof);
    virtual_steer_jnt_eff_.resize(dof);
    virtual_steer_jnt_pos_cmd_.resize(dof);
  }
    BeaconFinder(ros::NodeHandle n, vector<Beacon> beacons) : n(n), pnh("~"),
        beacons(beacons),
        img_sub(n, "/camera/rgb/image_color/compressed", 1),
        laser_sub(n, "/scan", 1),
        sync(SyncPolicy(10), laser_sub, img_sub) {

        odom_sub = n.subscribe("ass1/odom", 1, &BeaconFinder::odom_callback, this);
        beacons_pub = n.advertise<ass1::FoundBeacons>("/ass1/beacons", 1);

        // Use ApproximateTime message_filter to read both kinect image and laser.
        sync.registerCallback(boost::bind(&BeaconFinder::image_callback, this, _1, _2));

        // Get colours from params

        XmlRpc::XmlRpcValue colour_thresholds;
        n.getParam("/beacon_finder/colour_ranges/pink", colour_thresholds);
        pink_ranges[0] = (int)colour_thresholds["h_lo"];
        pink_ranges[1] = (int)colour_thresholds["h_hi"];
        pink_ranges[2] = (int)colour_thresholds["s"];
        pink_ranges[3] = (int)colour_thresholds["v"];
        n.getParam("/beacon_finder/colour_ranges/blue", colour_thresholds);
        blue_ranges[0] = (int)colour_thresholds["h_lo"];
        blue_ranges[1] = (int)colour_thresholds["h_hi"];
        blue_ranges[2] = (int)colour_thresholds["s"];
        blue_ranges[3] = (int)colour_thresholds["v"];
        n.getParam("/beacon_finder/colour_ranges/green", colour_thresholds);
        green_ranges[0] = (int)colour_thresholds["h_lo"];
        green_ranges[1] = (int)colour_thresholds["h_hi"];
        green_ranges[2] = (int)colour_thresholds["s"];
        green_ranges[3] = (int)colour_thresholds["v"];
        n.getParam("/beacon_finder/colour_ranges/yellow", colour_thresholds);
        yellow_ranges[0] = (int)colour_thresholds["h_lo"];
        yellow_ranges[1] = (int)colour_thresholds["h_hi"];
        yellow_ranges[2] = (int)colour_thresholds["s"];
        yellow_ranges[3] = (int)colour_thresholds["v"];
        for( int i=0; i < 4; i++ ) {
            ROS_INFO("PINK %i = %d", i, pink_ranges[i] );
        }
        for( int i=0; i < 4; i++ ) {
            ROS_INFO("BLUE %i = %d", i, blue_ranges[i] );
        }
        for( int i=0; i < 4; i++ ) {
            ROS_INFO("GREEN %i = %d", i, green_ranges[i] );
        }
        for( int i=0; i < 4; i++ ) {
            ROS_INFO("YELLOW %i = %d", i, yellow_ranges[i] );
        }


   }
bool PoseOdomStateRecord::initialize()
{
  if (!nh_private_.getParam("path_name", path_name_)) {
    ROS_FATAL("Could not found path name from parameter server");
    return false;
  }
  if (!nh_private_.getParam("motion_name", motion_name_)) {
    ROS_FATAL("Could not found motion name from parameter server");
    return false;
  }

  pose_odom_state_sub_ = nh_.subscribe<nav_msgs::Odometry>("base_odometry/odom", 1, &PoseOdomStateRecord::poseOdomStateCallback, this);
  return true;
}
Example #27
0
  explicit HaarAdaNode(const ros::NodeHandle& nh):
    node_(nh)
  {
    num_class1 = 0;
    num_class0 = 0;
    num_TP_class1 = 0;
    num_FP_class1 = 0;
    num_TP_class0 = 0;
    num_FP_class0 = 0;

    string nn = ros::this_node::getName();
    int qs;
    if(!node_.getParam(nn + "/Q_Size",qs)){
      qs=3;
    }

    int NS;
    if(!node_.getParam(nn + "/num_Training_Samples",NS)){
      NS = 350; // default sets asside very little for training
      node_.setParam(nn + "/num_Training_Samples",NS);
    }
    HAC_.setMaxSamples(NS);

    if(!node_.getParam(nn + "/RemoveOverlappingRois",remove_overlapping_rois_)){
      remove_overlapping_rois_ = false;
    }

    // Published Messages
    pub_rois_           = node_.advertise<Rois>("HaarAdaOutputRois",qs);
    pub_Color_Image_    = node_.advertise<Image>("HaarAdaColorImage",qs);
    pub_Disparity_Image_= node_.advertise<DisparityImage>("HaarAdaDisparityImage",qs);

	
    // Subscribe to Messages
    sub_image_.subscribe(node_,"Color_Image",qs);
    sub_disparity_.subscribe(node_, "Disparity_Image",qs);
    sub_rois_.subscribe(node_,"input_rois",qs);

    // Sync the Synchronizer
    approximate_sync_.reset(new ApproximateSync(ApproximatePolicy(qs), 
						sub_image_, 
						sub_disparity_,
						sub_rois_));

    approximate_sync_->registerCallback(boost::bind(&HaarAdaNode::imageCb,
						    this,
						    _1,
						    _2,
						    _3));
  }
bool JointStateTorqueSensorController::init(hardware_interface::JointStateInterface* hw,
                                            ros::NodeHandle&                         root_nh,
                                            ros::NodeHandle&                         controller_nh)
{
  // get all joint names from the hardware interface
  joint_names_ = hw->getNames();
  num_hw_joints_ = joint_names_.size();
  for (unsigned i=0; i<num_hw_joints_; i++)
    ROS_DEBUG("Got joint %s", joint_names_[i].c_str());

  // get publishing period
  if (!controller_nh.getParam("publish_rate", publish_rate_)){
    ROS_ERROR("Parameter 'publish_rate' not set");
    return false;
  }

  std::string output_topic;
  if (!controller_nh.getParam("output_topic", output_topic)){
    ROS_ERROR("Parameter 'output_topic'' not specified");
    return false;
  }

  use_relative_for_nans_ = false;
  controller_nh.getParam("use_relative_for_nans", use_relative_for_nans_);
  if(use_relative_for_nans_){
    ROS_ERROR_STREAM("using relative encoders for nans");
  }
  else{
    ROS_ERROR_STREAM("NOT using relative encoders for nans");
  }

  // realtime publisher
  realtime_pub_.reset(new realtime_tools::RealtimePublisher<sensor_msgs::JointState>(root_nh, output_topic, 4));

  // get joints and allocate message
  for (unsigned i=0; i<num_hw_joints_; i++){
    joint_state_.push_back(hw->getHandle(joint_names_[i]));
    realtime_pub_->msg_.name.push_back(joint_names_[i]);
    realtime_pub_->msg_.position.push_back(0.0);
    realtime_pub_->msg_.velocity.push_back(0.0);
    realtime_pub_->msg_.effort.push_back(0.0);
  }
  addExtraJoints(controller_nh, realtime_pub_->msg_);

  if(!parseJointOffsets(controller_nh)){
    return false;
  }

  return true;
}
Example #29
0
  EmoTimeWrap()
    : it_(nh_)
  {

// Subscrive to input video feed and sadness_vs_anger_contempt_disgust_fear_happy_neutral_surprise_featspublish output video feed
    counter = 0;
    nh_.getParam("camera_topic", subscribe_topic);
    nh_.getParam("filtered_face_locations", filtered_face_locations);
    image_sub_ = it_.subscribe(subscribe_topic, 1,&EmoTimeWrap::imageCb, this);
    face_location_sub = nh_.subscribe(filtered_face_locations, 1, &EmoTimeWrap::list_of_faces_update, this);
    //image_pub_ = it_.advertise("/emotime_node/output_video", 1);
    //emotion_pub = nh_.advertise<std_msgs::String>("emotion_states", 1000);
    faces_locations = nh_.advertise<cmt_tracker_msgs::Objects>("emo_pub_registered", 10);
    method = "svm";
    // config = "/home/lina/Desktop/emotime_final/emotime/resources/haarcascade_frontalface_cbcl1.xml";
    config = "/usr/share/opencv/haarcascades/haarcascade_frontalface_alt.xml";
    config_e = "/usr/share/opencv/haarcascades/haarcascade_eye.xml";
    size.width = 52;
    size.height = 52;
    nwidths = 1;
    nlambdas = 5;
    nthetas = 8;

    path= ros::package::getPath("emotime");
    classifier_paths.push_back(path + "/svm/anger_vs_contempt_disgust_fear_happy_neutral_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/contempt_vs_anger_disgust_fear_happy_neutral_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/disgust_vs_anger_contempt_fear_happy_neutral_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/fear_vs_anger_contempt_disgust_happy_neutral_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/happy_vs_anger_contempt_disgust_fear_neutral_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/neutral_vs_anger_contempt_disgust_fear_happy_sadness_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/sadness_vs_anger_contempt_disgust_fear_happy_neutral_surprise_feats.xml");
    classifier_paths.push_back(path + "/svm/surprise_vs_anger_contempt_disgust_fear_happy_neutral_sadness_feats.xml");

    //cout << "Length of the classifiers: " << classifier_paths.size() << std::endl;
    preprocessor = new FacePreProcessor(config, config_e, size.width,
                                        size.height, nwidths, nlambdas, nthetas);

    emodetector = new SVMEmoDetector(kCfactor, kMaxIteration, kErrorMargin);
    emodetector->init(classifier_paths);
    //text = "Funny text inside the box";
    fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX;
    fontScale = 2;
    thickness = 3;
    textOrg.x = 10;
    textOrg.y = 130;
    int lineType = 8;
    bool bottomLeftOrigin = false;
    //cv::namedWindow(OPENCV_WINDOW);
  }
Example #30
0
                LinactDynamixel(ros::NodeHandle& nh, int id, std::string& name)
                    : LinearActuator(nh, id, 1000), m_name(name)
                {
                    std::string controller;

                    // Load the linear actuator parameters
                    nh.getParam(name + "/base_length", m_base_length);
                    nh.getParam(name + "/extent", m_extent);
                
                    // m_state = nh.advertise<dynamixel_msgs::JointState>(name + "/state", 5);
		    this->setName(name);
                    // Here is where to set up a subscriber
                    controller = name.substr(0, name.length() - 5);
                    m_command = nh.subscribe(controller + "controller/command", 1000, &LinactDynamixel::command_callback, this);
                }