planning_link_updater.cpp

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/* Author: Ioan Sucan */
 
#include <moveit/rviz_plugin_render_tools/planning_link_updater.h>
#include <OgreVector3.h>
#include <OgreQuaternion.h>
 
bool moveit_rviz_plugin::PlanningLinkUpdater::getLinkTransforms(const std::string& link_name,
                                                                Ogre::Vector3& visual_position,
                                                                Ogre::Quaternion& visual_orientation,
                                                                Ogre::Vector3& collision_position,
                                                                Ogre::Quaternion& collision_orientation) const
{
  const moveit::core::LinkModel* link_model = kinematic_state_->getLinkModel(link_name);
 
  if (!link_model)
  {
    return false;
  }
 
  // getGlobalLinkTransform() returns a valid isometry by contract
  const Eigen::Vector3d& robot_visual_position = kinematic_state_->getGlobalLinkTransform(link_model).translation();
  Eigen::Quaterniond robot_visual_orientation(kinematic_state_->getGlobalLinkTransform(link_model).linear());
  visual_position = Ogre::Vector3(robot_visual_position.x(), robot_visual_position.y(), robot_visual_position.z());
  visual_orientation = Ogre::Quaternion(robot_visual_orientation.w(), robot_visual_orientation.x(),
                                        robot_visual_orientation.y(), robot_visual_orientation.z());
  collision_position = visual_position;
  collision_orientation = visual_orientation;
 
  return true;
}