Exemple #1
0
bool Action::graspPlan(MetaBlock *block, const std::string surface_name) //computePlanButtonClicked
{
  bool success(false);

  if (verbose_)
    ROS_INFO_STREAM_NAMED("pick_place:","Planning " << block->name << " at pose " << block->start_pose);

  move_group_->setGoalTolerance(0.1);//0.05 //TODO

  // Prevent collision with table
  if (!surface_name.empty())
    move_group_->setSupportSurfaceName(surface_name);

  if (!move_group_)
    return false;

  //move_group_->setApproximateJointValueTargets(target, move_group_->getEndEffectorLink().c_str());
  move_group_->setPoseTargets(configureForPlanning(generateGrasps(block)), move_group_->getEndEffectorLink().c_str());

  current_plan_.reset(new moveit::planning_interface::MoveGroup::Plan());
  success = move_group_->plan(*current_plan_);
  if (!success)
    current_plan_.reset();

  if (verbose_ && success)
      ROS_INFO_STREAM_NAMED("pick_place","Grasp plannin success! \n\n");

  return success;
}
bool Action::pickAction(MetaBlock *block, 
                        const std::string surface_name,
                        int attempts_nbr,
                        double planning_time,
                        double tolerance_min)
{
  bool success(false);
  //if (verbose_)
    ROS_INFO_STREAM("Pick at pose " << block->start_pose.position.x << " " << block->start_pose.position.y << " " << block->start_pose.position.z);

  if (attempts_nbr == 0)
    attempts_nbr = attempts_max_;

  if (planning_time == 0.0)
    planning_time = planning_time_;

  if (tolerance_min == 0.0)
    tolerance_min = tolerance_min_;

  std::vector<moveit_msgs::Grasp> grasps = generateGrasps(block);

  if (grasps.size() > 0)
  {
    // Prevent collision with table
    if (!surface_name.empty())
      move_group_->setSupportSurfaceName(surface_name);

    move_group_->setPlanningTime(planning_time); //30.0);
    //move_group_->setPlannerId("RRTConnectkConfigDefault");
    //move_group_->setPlannerId("RRTConnect");

    double tolerance_min = 0.01;
    double tolerance_max = 0.5;
    double tolerance = tolerance_min;
    int attempts = 0;

    //find a planning solution while increasing tolerance
    while (!success && (attempts < attempts_max_))
    {
      move_group_->setGoalTolerance(tolerance);//0.05 //TODO to check
      success = move_group_->pick(block->name, grasps);

      if (!success)
      {
        tolerance_min = tolerance;
        tolerance = (tolerance_max-tolerance_min) / 2.0;
      }
      ++attempts;
    }

    if (verbose_ & success)
      ROS_INFO_STREAM("Pick success with tolerance " << tolerance << "\n\n");
  }
  return success;
}
Exemple #3
0
void Action::filterGrasps(MetaBlock *block)
{
  if (verbose_)
    ROS_INFO_STREAM_NAMED("pick_place:","Picking " << block->name << " at pose " << block->start_pose);

  std::vector<moveit_msgs::Grasp> grasps = generateGrasps(block);

  if (grasps.size() > 0)
  {
    grasp_filter_.filterGrasps(grasps);
  }
}
bool Action::graspPlanAllPossible(MetaBlock *block, const std::string surface_name) //computePlanButtonClicked
{
  bool success(false);

  if (verbose_)
    ROS_INFO_STREAM("Planning all possible grasps to " << block->start_pose);

  move_group_->setGoalTolerance(0.1);
  //move_group_->setPoseReferenceFrame("base_link"); //"LWristYaw_link"
  //move_group_->setStartState(*move_group_->getCurrentState());
  //move_group_->setPlanningTime(30); //in GUI=5
  //move_group_->setNumPlanningAttempts(10); //in GUI=10
  //move_group_->setMaxVelocityScalingFactor(1.0); //in GUI = 1.0
  //move_group_->setPlannerId("RRTConnectkConfigDefault");

  // Prevent collision with table
  if (!surface_name.empty())
    move_group_->setSupportSurfaceName(surface_name);

  std::vector<geometry_msgs::Pose> targets = configureForPlanning(generateGrasps(block));

  moveit::planning_interface::MoveGroup::Plan plan;

  if (targets.size() > 0)
  {
    int counts = 0;
    for (std::vector<geometry_msgs::Pose>::iterator it=targets.begin(); it!=targets.end();++it)
    {
      //move_group_->setPoseTarget(*it, move_group_->getEndEffectorLink().c_str());
      //move_group_->setPositionTarget(it->position.x, it->position.y, it->position.z, move_group_->getEndEffectorLink().c_str());
      success = move_group_->setApproximateJointValueTarget(*it, move_group_->getEndEffectorLink().c_str());
      success = move_group_->plan(plan);
      if (success)
        ++counts;
    }
    if (verbose_)
      ROS_INFO_STREAM( "Planning success for " << counts << " generated poses! \n\n");
  }
  return success;
}