temperature_display.cpp
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00001 /*
00002  * Copyright (c) 2012, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #include <OgreSceneNode.h>
00031 #include <OgreSceneManager.h>
00032 
00033 #include <ros/time.h>
00034 
00035 #include "rviz/default_plugin/point_cloud_common.h"
00036 #include "rviz/default_plugin/point_cloud_transformers.h"
00037 #include "rviz/display_context.h"
00038 #include "rviz/frame_manager.h"
00039 #include "rviz/ogre_helpers/point_cloud.h"
00040 #include "rviz/properties/int_property.h"
00041 #include "rviz/validate_floats.h"
00042 
00043 #include "temperature_display.h"
00044 
00045 namespace rviz
00046 {
00047 
00048 TemperatureDisplay::TemperatureDisplay()
00049   : point_cloud_common_( new PointCloudCommon( this ))
00050 {
00051   queue_size_property_ = new IntProperty( "Queue Size", 10,
00052                                           "Advanced: set the size of the incoming Temperature message queue. "
00053                                           " Increasing this is useful if your incoming TF data is delayed significantly "
00054                                           "from your Temperature data, but it can greatly increase memory usage if the messages are big.",
00055                                           this, SLOT( updateQueueSize() ));
00056 
00057   // PointCloudCommon sets up a callback queue with a thread for each
00058   // instance.  Use that for processing incoming messages.
00059   update_nh_.setCallbackQueue( point_cloud_common_->getCallbackQueue() );
00060 }
00061 
00062 TemperatureDisplay::~TemperatureDisplay()
00063 {
00064   delete point_cloud_common_;
00065 }
00066 
00067 void TemperatureDisplay::onInitialize()
00068 {
00069   MFDClass::onInitialize();
00070   point_cloud_common_->initialize( context_, scene_node_ );
00071 
00072   // Set correct initial values
00073   subProp("Channel Name")->setValue("temperature");
00074   subProp("Autocompute Intensity Bounds")->setValue(false);
00075   subProp("Invert Rainbow")->setValue(true);
00076   subProp("Min Intensity")->setValue(0); // Water Freezing
00077   subProp("Max Intensity")->setValue(100); // Water Boiling
00078 }
00079 
00080 void TemperatureDisplay::updateQueueSize()
00081 {
00082   tf_filter_->setQueueSize( (uint32_t) queue_size_property_->getInt() );
00083 }
00084 
00085 void TemperatureDisplay::processMessage( const sensor_msgs::TemperatureConstPtr& msg )
00086 {
00087   sensor_msgs::PointCloud2Ptr filtered(new sensor_msgs::PointCloud2);
00088 
00089   // Create fields
00090   sensor_msgs::PointField x;
00091   x.name = "x";
00092   x.offset = 0;
00093   x.datatype = sensor_msgs::PointField::FLOAT32;
00094   x.count = 1;
00095   sensor_msgs::PointField y;
00096   y.name = "y";
00097   y.offset = 4;
00098   y.datatype = sensor_msgs::PointField::FLOAT32;
00099   y.count = 1;
00100   sensor_msgs::PointField z;
00101   z.name = "z";
00102   z.offset = 8;
00103   z.datatype = sensor_msgs::PointField::FLOAT32;
00104   z.count = 1;
00105   sensor_msgs::PointField temperature;
00106   temperature.name = "temperature";
00107   temperature.offset = 12;
00108   temperature.datatype = sensor_msgs::PointField::FLOAT64;
00109   temperature.count = 1;
00110 
00111   // Create pointcloud from message
00112   filtered->header = msg->header;
00113   filtered->fields.push_back(x);
00114   filtered->fields.push_back(y);
00115   filtered->fields.push_back(z);
00116   filtered->fields.push_back(temperature);
00117   filtered->data.resize(20);
00118   const float zero_float = 0.0; // RelativeHumidity is always on its tf frame
00119   memcpy(&filtered->data[x.offset], &zero_float, 4);
00120   memcpy(&filtered->data[y.offset], &zero_float, 4);
00121   memcpy(&filtered->data[z.offset], &zero_float, 4);
00122   memcpy(&filtered->data[temperature.offset], &msg->temperature, 8);
00123   filtered->height = 1;
00124   filtered->width = 1;
00125   filtered->is_bigendian = false;
00126   filtered->point_step = 20;
00127   filtered->row_step = 1;
00128 
00129   // Give to point_cloud_common to draw
00130   point_cloud_common_->addMessage( filtered );
00131 }
00132 
00133 
00134 void TemperatureDisplay::update( float wall_dt, float ros_dt )
00135 {
00136   point_cloud_common_->update( wall_dt, ros_dt );
00137 
00138   // Hide unneeded properties
00139   subProp("Position Transformer")->hide();
00140   subProp("Color Transformer")->hide();
00141   subProp("Channel Name")->hide();
00142   subProp("Invert Rainbow")->hide();
00143   subProp("Autocompute Intensity Bounds")->hide();
00144 }
00145 
00146 void TemperatureDisplay::reset()
00147 {
00148   MFDClass::reset();
00149   point_cloud_common_->reset();
00150 }
00151 
00152 } // namespace rviz
00153 
00154 #include <pluginlib/class_list_macros.h>
00155 PLUGINLIB_EXPORT_CLASS( rviz::TemperatureDisplay, rviz::Display )


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Thu Aug 27 2015 15:02:28