people_position_measurement_array_display.cpp

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// -*- mode: c++ -*-
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#include "people_position_measurement_array_display.h"
#include <rviz/uniform_string_stream.h>
#include <rviz/view_manager.h>
#include <rviz/render_panel.h>
#include <OGRE/OgreCamera.h>
#include <QPainter>
#include <rviz/ogre_helpers/render_system.h>
#include <OGRE/OgreRenderSystem.h>

#include <algorithm>
#include <boost/lambda/lambda.hpp>

namespace jsk_rviz_plugin
{  
  PeoplePositionMeasurementArrayDisplay::PeoplePositionMeasurementArrayDisplay()
  {
    size_property_ = new rviz::FloatProperty("size", 0.3,
                                             "size of the visualizer", this,
                                             SLOT(updateSize()));
    timeout_property_ = new rviz::FloatProperty(
      "timeout", 10.0, "timeout seconds", this, SLOT(updateTimeout()));
    anonymous_property_ = new rviz::BoolProperty(
      "anonymous", false,
      "anonymous",
      this, SLOT(updateAnonymous()));
    text_property_ = new rviz::StringProperty(
      "text", "person found here person found here",
      "text to rotate",
      this, SLOT(updateText()));
  }

  
  PeoplePositionMeasurementArrayDisplay::~PeoplePositionMeasurementArrayDisplay()
  {
    delete size_property_;
  }

  void PeoplePositionMeasurementArrayDisplay::onInitialize()
  {
    MFDClass::onInitialize();
    scene_node_ = scene_manager_->getRootSceneNode()->createChildSceneNode();
    updateSize();
    updateTimeout();
    updateAnonymous();
    updateText();
  }

  void PeoplePositionMeasurementArrayDisplay::clearObjects()
  {
    faces_.clear();
    visualizers_.clear();
  }
  
  void PeoplePositionMeasurementArrayDisplay::reset()
  {
    MFDClass::reset();
    clearObjects();
  }

  void PeoplePositionMeasurementArrayDisplay::processMessage(
    const people_msgs::PositionMeasurementArray::ConstPtr& msg)
  {
    boost::mutex::scoped_lock lock(mutex_);
    static int count = 0;
    static int square_count = 0;
    faces_ = msg->people;
    // check texture is ready or not
    if (faces_.size() > visualizers_.size()) {
      for (size_t i = visualizers_.size(); i < faces_.size(); i++) {
        visualizers_.push_back(GISCircleVisualizer::Ptr(new GISCircleVisualizer(
                                                          scene_manager_,
                                                          scene_node_,
                                                          size_,
                                                          text_)));
        visualizers_[visualizers_.size() - 1]->setAnonymous(anonymous_);
        visualizers_[visualizers_.size() - 1]->update(0, 0);
        QColor color(25.0, 255.0, 240.0);
        visualizers_[visualizers_.size() - 1]->setColor(color);
      }
    }
    else {
      visualizers_.resize(faces_.size());
    }
    // move scene_node
    for (size_t i = 0; i < faces_.size(); i++) {
      Ogre::Quaternion orientation;
      Ogre::Vector3 position;
      geometry_msgs::Pose pose;
      pose.position = faces_[i].pos;
      pose.orientation.w = 1.0;
      if(!context_->getFrameManager()->transform(msg->header,
                                                 pose,
                                                 position, orientation))
      {
        ROS_DEBUG( "Error transforming from frame '%s' to frame '%s'",
                   msg->header.frame_id.c_str(), qPrintable( fixed_frame_ ));
        
      }
      else {
        visualizers_[i]->setPosition(position);
      }
    }
    latest_time_ = msg->header.stamp;
  }

  void PeoplePositionMeasurementArrayDisplay::update(
    float wall_dt, float ros_dt)
  {
    boost::mutex::scoped_lock lock(mutex_);
    if (faces_.size() == 0) {
      return;
    }
    if ((ros::Time::now() - latest_time_).toSec() > timeout_) {
      ROS_WARN("timeout face recognition result");
      clearObjects();
      return;
    }
    for (size_t i = 0; i < visualizers_.size(); i++) {
      visualizers_[i]->setOrientation(context_);
    }
    for (size_t i = 0; i < visualizers_.size(); i++) {
      visualizers_[i]->update(wall_dt, ros_dt);
    }
  }

  void PeoplePositionMeasurementArrayDisplay::updateTimeout()
  {
    boost::mutex::scoped_lock lock(mutex_);
    timeout_ = timeout_property_->getFloat();
  }
  
  void PeoplePositionMeasurementArrayDisplay::updateSize()
  {
    boost::mutex::scoped_lock lock(mutex_);
    size_ = size_property_->getFloat();
    visualizers_.clear();
  }

  void PeoplePositionMeasurementArrayDisplay::updateAnonymous()
  {
    boost::mutex::scoped_lock lock(mutex_);
    anonymous_ = anonymous_property_->getBool();
    for (size_t i = 0; i < visualizers_.size(); i++) {
      visualizers_[i]->setAnonymous(anonymous_);
    }
  }

  void PeoplePositionMeasurementArrayDisplay::updateText()
  {
    boost::mutex::scoped_lock lock(mutex_);
    text_ = text_property_->getStdString();
    for (size_t i = 0; i < visualizers_.size(); i++) {
      visualizers_[i]->setText(text_);
    }
  }
  
}


#include <pluginlib/class_list_macros.h>
PLUGINLIB_EXPORT_CLASS( jsk_rviz_plugin::PeoplePositionMeasurementArrayDisplay, rviz::Display )