protot/3rdparty/rbdl/addons/urdfreader/thirdparty/urdf/urdfdom/urdf_parser/src/urdf_sensor.cpp

365 lines
9.6 KiB
C++

/*********************************************************************
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Willow Garage, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the Willow Garage nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*********************************************************************/
/* Author: John Hsu */
#include <urdf/urdfdom_headers/urdf_sensor/include/urdf_sensor/sensor.h>
#include <fstream>
#include <sstream>
#include <boost/lexical_cast.hpp>
#include <algorithm>
#include <tinyxml.h>
#include <console_bridge/console.h>
namespace urdf{
bool parsePose(Pose &pose, TiXmlElement* xml);
bool parseCamera(Camera &camera, TiXmlElement* config)
{
camera.clear();
camera.type = VisualSensor::CAMERA;
TiXmlElement *image = config->FirstChildElement("image");
if (image)
{
const char* width_char = image->Attribute("width");
if (width_char)
{
try
{
camera.width = boost::lexical_cast<unsigned int>(width_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Camera image width [%s] is not a valid int: %s", width_char, e.what());
return false;
}
}
else
{
logError("Camera sensor needs an image width attribute");
return false;
}
const char* height_char = image->Attribute("height");
if (height_char)
{
try
{
camera.height = boost::lexical_cast<unsigned int>(height_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Camera image height [%s] is not a valid int: %s", height_char, e.what());
return false;
}
}
else
{
logError("Camera sensor needs an image height attribute");
return false;
}
const char* format_char = image->Attribute("format");
if (format_char)
camera.format = std::string(format_char);
else
{
logError("Camera sensor needs an image format attribute");
return false;
}
const char* hfov_char = image->Attribute("hfov");
if (hfov_char)
{
try
{
camera.hfov = boost::lexical_cast<double>(hfov_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Camera image hfov [%s] is not a valid float: %s", hfov_char, e.what());
return false;
}
}
else
{
logError("Camera sensor needs an image hfov attribute");
return false;
}
const char* near_char = image->Attribute("near");
if (near_char)
{
try
{
camera.near = boost::lexical_cast<double>(near_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Camera image near [%s] is not a valid float: %s", near_char, e.what());
return false;
}
}
else
{
logError("Camera sensor needs an image near attribute");
return false;
}
const char* far_char = image->Attribute("far");
if (far_char)
{
try
{
camera.far = boost::lexical_cast<double>(far_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Camera image far [%s] is not a valid float: %s", far_char, e.what());
return false;
}
}
else
{
logError("Camera sensor needs an image far attribute");
return false;
}
}
else
{
logError("Camera sensor has no <image> element");
return false;
}
return true;
}
bool parseRay(Ray &ray, TiXmlElement* config)
{
ray.clear();
ray.type = VisualSensor::RAY;
TiXmlElement *horizontal = config->FirstChildElement("horizontal");
if (horizontal)
{
const char* samples_char = horizontal->Attribute("samples");
if (samples_char)
{
try
{
ray.horizontal_samples = boost::lexical_cast<unsigned int>(samples_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray horizontal samples [%s] is not a valid float: %s", samples_char, e.what());
return false;
}
}
const char* resolution_char = horizontal->Attribute("resolution");
if (resolution_char)
{
try
{
ray.horizontal_resolution = boost::lexical_cast<double>(resolution_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray horizontal resolution [%s] is not a valid float: %s", resolution_char, e.what());
return false;
}
}
const char* min_angle_char = horizontal->Attribute("min_angle");
if (min_angle_char)
{
try
{
ray.horizontal_min_angle = boost::lexical_cast<double>(min_angle_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray horizontal min_angle [%s] is not a valid float: %s", min_angle_char, e.what());
return false;
}
}
const char* max_angle_char = horizontal->Attribute("max_angle");
if (max_angle_char)
{
try
{
ray.horizontal_max_angle = boost::lexical_cast<double>(max_angle_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray horizontal max_angle [%s] is not a valid float: %s", max_angle_char, e.what());
return false;
}
}
}
TiXmlElement *vertical = config->FirstChildElement("vertical");
if (vertical)
{
const char* samples_char = vertical->Attribute("samples");
if (samples_char)
{
try
{
ray.vertical_samples = boost::lexical_cast<unsigned int>(samples_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray vertical samples [%s] is not a valid float: %s", samples_char, e.what());
return false;
}
}
const char* resolution_char = vertical->Attribute("resolution");
if (resolution_char)
{
try
{
ray.vertical_resolution = boost::lexical_cast<double>(resolution_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray vertical resolution [%s] is not a valid float: %s", resolution_char, e.what());
return false;
}
}
const char* min_angle_char = vertical->Attribute("min_angle");
if (min_angle_char)
{
try
{
ray.vertical_min_angle = boost::lexical_cast<double>(min_angle_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray vertical min_angle [%s] is not a valid float: %s", min_angle_char, e.what());
return false;
}
}
const char* max_angle_char = vertical->Attribute("max_angle");
if (max_angle_char)
{
try
{
ray.vertical_max_angle = boost::lexical_cast<double>(max_angle_char);
}
catch (boost::bad_lexical_cast &e)
{
logError("Ray vertical max_angle [%s] is not a valid float: %s", max_angle_char, e.what());
return false;
}
}
}
}
boost::shared_ptr<VisualSensor> parseVisualSensor(TiXmlElement *g)
{
boost::shared_ptr<VisualSensor> visual_sensor;
// get sensor type
TiXmlElement *sensor_xml;
if (g->FirstChildElement("camera"))
{
Camera *camera = new Camera();
visual_sensor.reset(camera);
sensor_xml = g->FirstChildElement("camera");
if (!parseCamera(*camera, sensor_xml))
visual_sensor.reset();
}
else if (g->FirstChildElement("ray"))
{
Ray *ray = new Ray();
visual_sensor.reset(ray);
sensor_xml = g->FirstChildElement("ray");
if (!parseRay(*ray, sensor_xml))
visual_sensor.reset();
}
else
{
logError("No know sensor types [camera|ray] defined in <sensor> block");
}
return visual_sensor;
}
bool parseSensor(Sensor &sensor, TiXmlElement* config)
{
sensor.clear();
const char *name_char = config->Attribute("name");
if (!name_char)
{
logError("No name given for the sensor.");
return false;
}
sensor.name = std::string(name_char);
// parse parent_link_name
const char *parent_link_name_char = config->Attribute("parent_link_name");
if (!parent_link_name_char)
{
logError("No parent_link_name given for the sensor.");
return false;
}
sensor.parent_link_name = std::string(parent_link_name_char);
// parse origin
TiXmlElement *o = config->FirstChildElement("origin");
if (o)
{
if (!parsePose(sensor.origin, o))
return false;
}
// parse sensor
sensor.sensor = parseVisualSensor(config);
return true;
}
}