Exemplo n.º 1
0
int ArmMotionCommander::rt_arm_request_tool_pose_wrt_torso(void) {
    // debug: compare this to output of:
    //rosrun tf tf_echo torso yale_gripper_frame
    ROS_INFO("requesting right-arm tool pose");    
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_GET_TOOL_POSE;
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(2.0));
   if (!finished_before_timeout_) {
        ROS_WARN("did not respond within timeout");
        return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;  
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("move did not return success; code = %d",cart_result_.return_code);
        return (int) cart_result_.return_code;
    }    
    
        tool_pose_stamped_ = cart_result_.current_pose_gripper_right;
        ROS_INFO("move returned success; right arm tool pose: ");
        ROS_INFO("origin w/rt torso = %f, %f, %f ",tool_pose_stamped_.pose.position.x,
                tool_pose_stamped_.pose.position.y,tool_pose_stamped_.pose.position.z);
        ROS_INFO("quaternion x,y,z,w: %f, %f, %f, %f",tool_pose_stamped_.pose.orientation.x,
                tool_pose_stamped_.pose.orientation.y,tool_pose_stamped_.pose.orientation.z,
                tool_pose_stamped_.pose.orientation.w);
  return (int) cart_result_.return_code;
}
Exemplo n.º 2
0
int ArmMotionCommander::rt_arm_plan_path_current_to_goal_pose(geometry_msgs::PoseStamped des_pose) {
    
    ROS_INFO("requesting a cartesian-space motion plan");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_PLAN_PATH_CURRENT_TO_GOAL_POSE;
    cart_goal_.des_pose_gripper_right = des_pose;
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(2.0));
    ROS_INFO("return code: %d",cart_result_.return_code);
    if (!finished_before_timeout_) {
            ROS_WARN("giving up waiting on result");
            return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;
        } 
    
    ROS_INFO("finished before timeout");
    if (cart_result_.return_code==cwru_action::cwru_baxter_cart_moveResult::RT_ARM_PATH_NOT_VALID) {
        ROS_WARN("right arm plan not valid");
        return (int) cart_result_.return_code;
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("unknown return code... not SUCCESS");
        return (int) cart_result_.return_code;            
    }   
 
    //here if success return code
    ROS_INFO("returned SUCCESS from planning request");
    computed_arrival_time_= cart_result_.computed_arrival_time; //action_client.get_computed_arrival_time();
    ROS_INFO("computed move time: %f",computed_arrival_time_);
    return (int) cart_result_.return_code;        
}
Exemplo n.º 3
0
int ArmMotionCommander::rt_arm_plan_path_current_to_goal_dp_xyz(Eigen::Vector3d dp_displacement) {
    
    ROS_INFO("requesting a cartesian-space motion plan along vector");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_PLAN_PATH_CURRENT_TO_GOAL_DP_XYZ;
    //must fill in desired vector displacement
    cart_goal_.arm_dp_right.resize(3);
    for (int i=0;i<3;i++) cart_goal_.arm_dp_right[i] = dp_displacement[i];
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(2.0));
    ROS_INFO("return code: %d",cart_result_.return_code);
    if (!finished_before_timeout_) {
            ROS_WARN("giving up waiting on result");
            return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;
        } 
    
    ROS_INFO("finished before timeout");
    if (cart_result_.return_code==cwru_action::cwru_baxter_cart_moveResult::RT_ARM_PATH_NOT_VALID) {
        ROS_WARN("right arm plan not valid");
        return (int) cart_result_.return_code;
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("unknown return code... not SUCCESS");
        return (int) cart_result_.return_code;            
    }   
 
    //here if success return code
    ROS_INFO("returned SUCCESS from planning request");
    computed_arrival_time_= cart_result_.computed_arrival_time; //action_client.get_computed_arrival_time();
    ROS_INFO("computed move time: %f",computed_arrival_time_);
    return (int) cart_result_.return_code;      
}
Exemplo n.º 4
0
int ArmMotionCommander::rt_arm_plan_jspace_path_current_to_qgoal(Eigen::VectorXd q_des_vec) {    
    ROS_INFO("requesting a joint-space motion plan");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_PLAN_JSPACE_PATH_CURRENT_TO_QGOAL;
    cart_goal_.q_goal_right.resize(7);
    for (int i=0;i<7;i++) cart_goal_.q_goal_right[i] = q_des_vec[i]; //specify the goal js pose
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(2.0));
    ROS_INFO("return code: %d",cart_result_.return_code);
    if (!finished_before_timeout_) {
            ROS_WARN("giving up waiting on result");
            return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;
        } 
    
    ROS_INFO("finished before timeout");
    if (cart_result_.return_code==cwru_action::cwru_baxter_cart_moveResult::RT_ARM_PATH_NOT_VALID) {
        ROS_WARN("right arm plan not valid");
        return (int) cart_result_.return_code;
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("unknown return code... not SUCCESS");
        return (int) cart_result_.return_code;            
    }   
 
    //here if success return code
    ROS_INFO("returned SUCCESS from planning request");
    computed_arrival_time_= cart_result_.computed_arrival_time; //action_client.get_computed_arrival_time();
    ROS_INFO("computed move time: %f",computed_arrival_time_);
    return (int) cart_result_.return_code;    
    
}
Exemplo n.º 5
0
void ArmMotionCommander::send_test_goal(void) {
    ROS_INFO("sending a test goal");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::ARM_TEST_MODE;
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired

    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(2.0));
        //bool finished_before_timeout = action_client.waitForResult(); // wait forever...
    if (!finished_before_timeout_) {
            ROS_WARN("giving up waiting on result");
        } else {
            ROS_INFO("finished before timeout");
            ROS_INFO("return code: %d",cart_result_.return_code);
        }        
}
Exemplo n.º 6
0
int ArmMotionCommander::rt_arm_execute_planned_path(void) {
    ROS_INFO("requesting execution of planned path");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_EXECUTE_PLANNED_PATH;
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(computed_arrival_time_+2.0));
    if (!finished_before_timeout_) {
        ROS_WARN("did not complete move in expected time");
        return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;  
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("move did not return success; code = %d",cart_result_.return_code);
        return (int) cart_result_.return_code;
    }

    ROS_INFO("move returned success");
    return (int) cart_result_.return_code;
}
	void turn() {
		turtlebot_actions::TurtlebotMoveGoal goal;
		goal.forward_distance = 0;
		goal.turn_distance = M_PI;

		action_client.waitForServer();
		action_client.sendGoal(goal);

		//wait for the action to return
		bool finished_before_timeout = action_client.waitForResult(
				ros::Duration(30.0));

		if (finished_before_timeout) {
			actionlib::SimpleClientGoalState state = action_client.getState();
			ROS_INFO("Action finished: %s", state.toString().c_str());
		} else
			ROS_INFO("Action did not finish before the time out.");
	}
Exemplo n.º 8
0
//send goal command to request right-arm joint angles; these will be stored in internal variable
int ArmMotionCommander::rt_arm_request_q_data(void) {
   ROS_INFO("requesting right-arm joint angles");
    cart_goal_.command_code = cwru_action::cwru_baxter_cart_moveGoal::RT_ARM_GET_Q_DATA;
    cart_move_action_client_.sendGoal(cart_goal_, boost::bind(&ArmMotionCommander::doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired
    finished_before_timeout_ = cart_move_action_client_.waitForResult(ros::Duration(computed_arrival_time_+2.0));
   if (!finished_before_timeout_) {
        ROS_WARN("did not respond within timeout");
        return (int) cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;  
    }
    if (cart_result_.return_code!=cwru_action::cwru_baxter_cart_moveResult::SUCCESS) {
        ROS_WARN("move did not return success; code = %d",cart_result_.return_code);
        return (int) cart_result_.return_code;
    }
    
    q_vec_ = cart_result_.q_arm_right;
    ROS_INFO("move returned success; right arm angles: ");
    ROS_INFO("%f; %f; %f; %f; %f; %f; %f",q_vec_[0],q_vec_[1],q_vec_[2],q_vec_[3],q_vec_[4],q_vec_[5],q_vec_[6]);
    return (int) cart_result_.return_code;
}
void ArmMotionInterface::execute_planned_move(void) {
               if (!path_is_valid_) {
                cart_result_.return_code = cwru_action::cwru_baxter_cart_moveResult::RT_ARM_PATH_NOT_VALID;
                ROS_WARN("attempted to execute invalid path!");
                cart_move_as_.setAborted(cart_result_); // tell the client we have given up on this goal; send the result message as well
            }

            // convert path to a trajectory:
            //baxter_traj_streamer_.stuff_trajectory(optimal_path_, des_trajectory_); //convert from vector of poses to trajectory message   
            js_goal_.trajectory = des_trajectory_;
            //computed_arrival_time_ = des_trajectory_.points.back().time_from_start.toSec();
            ROS_INFO("sending action request to traj streamer node");
            ROS_INFO("computed arrival time is %f", computed_arrival_time_);
            busy_working_on_a_request_ = true;
            traj_streamer_action_client_.sendGoal(js_goal_, boost::bind(&ArmMotionInterface::js_doneCb_, this, _1, _2)); // we could also name additional callback functions here, if desired

            finished_before_timeout_ = traj_streamer_action_client_.waitForResult(ros::Duration(computed_arrival_time_ + 2.0));

            if (!finished_before_timeout_) {
                ROS_WARN("EXECUTE_PLANNED_PATH: giving up waiting on result");
                cart_result_.return_code = cwru_action::cwru_baxter_cart_moveResult::NOT_FINISHED_BEFORE_TIMEOUT;
                cart_move_as_.setSucceeded(cart_result_); //could say "aborted"
            } else {
                ROS_INFO("finished before timeout");
                cart_result_.return_code = cwru_action::cwru_baxter_cart_moveResult::SUCCESS;
                cart_move_as_.setSucceeded(cart_result_);
            }
            path_is_valid_ = false; // reset--require new path before next move
            busy_working_on_a_request_ = false;
            //save the last point commanded, for future reference
            std::vector <double> last_pt;
            last_pt = des_trajectory_.points.back().positions;
            int njnts = last_pt.size();
            for (int i=0;i<njnts;i++) {
               last_arm_jnt_cmd_right_[i] = last_pt[i];
            }
}
Exemplo n.º 10
0
void actualizeGoal(ros::NodeHandle& nh,
                   actionlib::SimpleActionClient<arm_navigation_msgs::MoveArmAction>& client,
                   arm_navigation_msgs::MoveArmGoal goal) {
  if (nh.ok())
  {
    bool finished_within_time = false;
    client.sendGoal(goal);
    finished_within_time = client.waitForResult(ros::Duration(200.0));
    if (!finished_within_time)
    {
      client.cancelGoal();
      ROS_INFO("Timed out achieving goal");
    }
    else
    {
      actionlib::SimpleClientGoalState state = client.getState();
      bool success = (state == actionlib::SimpleClientGoalState::SUCCEEDED);
      if(success)
        ROS_INFO("Action finished: %s",state.toString().c_str());
      else
        ROS_INFO("Action failed: %s",state.toString().c_str());
    }
  } 
}
	void move_straight() {

		float current_angle = 0;
		float desired_angle = 0;

		/*
		 if (map->frames.size() > 0) {
		 Sophus::SE3f position =
		 map->frames[map->frames.size() - 1]->get_pos();
		 Eigen::Vector3f current_heading = position.unit_quaternion()
		 * Eigen::Vector3f::UnitZ();

		 current_angle = std::atan2(-current_heading(1), current_heading(0));
		 desired_angle = std::asin(position.translation()(1)/10.0);
		 }*/

		turtlebot_actions::TurtlebotMoveGoal goal;
		goal.forward_distance = 25.0;
		goal.turn_distance = current_angle - desired_angle;

		action_client.waitForServer();
		action_client.sendGoal(goal);

		//wait for the action to return
		bool finished_before_timeout = action_client.waitForResult(
				ros::Duration(500.0));

		if (finished_before_timeout) {
			actionlib::SimpleClientGoalState state = action_client.getState();
			ROS_INFO("Action finished: %s", state.toString().c_str());
		} else
			ROS_INFO("Action did not finish before the time out.");

		map->save("corridor_map");

	}
  void pickAndPlace(const geometry_msgs::Pose& start_pose, const geometry_msgs::Pose& end_pose)
  {
    ROS_INFO("[pick and place] Picking. Also placing.");
  
    simple_arm_server::MoveArmGoal goal;
    simple_arm_server::ArmAction action;
    simple_arm_server::ArmAction grip;
    
    /* open gripper */
    grip.type = simple_arm_server::ArmAction::MOVE_GRIPPER;
    grip.move_time.sec = 1.0;
    grip.command = gripper_open;
    goal.motions.push_back(grip);
    
    /* arm straight up */
    tf::Quaternion temp;
    temp.setRPY(0,1.57,0);
    action.goal.orientation.x = temp.getX();
    action.goal.orientation.y = temp.getY();
    action.goal.orientation.z = temp.getZ();
    action.goal.orientation.w = temp.getW();

    /* hover over */
    action.goal.position.x = start_pose.position.x;
    action.goal.position.y = start_pose.position.y;
    action.goal.position.z = z_up;
    action.move_time.sec = 0.25;
    goal.motions.push_back(action);

    /* go down */
    action.goal.position.z = start_pose.position.z;
    action.move_time.sec = 1.5;
    goal.motions.push_back(action);

    /* close gripper */
    grip.type = simple_arm_server::ArmAction::MOVE_GRIPPER;
    grip.command = gripper_closed;
    grip.move_time.sec = 1.0;
    goal.motions.push_back(grip);

    /* go up */
    action.goal.position.z = z_up;
    action.move_time.sec = 1.0;
    goal.motions.push_back(action);

    /* hover over */
    action.goal.position.x = end_pose.position.x;
    action.goal.position.y = end_pose.position.y;
    action.goal.position.z = z_up;
    action.move_time.sec = 1.0;
    goal.motions.push_back(action);

    /* go down */
    action.goal.position.z = end_pose.position.z;
    action.move_time.sec = 1.5;
    goal.motions.push_back(action);

    /* open gripper */
    grip.command = gripper_open;
    goal.motions.push_back(grip);

    /* go up */
    action.goal.position.z = z_up;
    action.move_time.sec = 1.0;
    goal.motions.push_back(action);
  
    goal.header.frame_id = arm_link;
    client_.sendGoal(goal);
    ROS_INFO("[pick and place] Sent goal. Waiting.");
    client_.waitForResult(ros::Duration(30.0));
    ROS_INFO("[pick and place] Received result.");
    if (client_.getState() == actionlib::SimpleClientGoalState::SUCCEEDED)
      as_.setSucceeded(result_);
    else
    {
      ROS_INFO("Actual state: %s", client_.getState().toString().c_str());
      as_.setAborted(result_);
    }
  }
void CartMoveActionServer::executeCB(const actionlib::SimpleActionServer<cwru_action::cart_moveAction>::GoalConstPtr& goal) {

    ROS_INFO("in executeCB of CartMoveActionServer");
   cart_result_.err_code=0;
   cart_move_as_.isActive();
   //unpack the necessary info:
   gripper_ang1_ = goal->gripper_jaw_angle1;
   gripper_ang2_ = goal->gripper_jaw_angle2;
   arrival_time_ = goal->move_time;
   // interpret the desired gripper poses:
   geometry_msgs::PoseStamped des_pose_gripper1 = goal->des_pose_gripper1;
   geometry_msgs::PoseStamped des_pose_gripper2 = goal->des_pose_gripper2;
   // convert the above to affine objects:
   des_gripper1_affine_wrt_lcamera_ = transformPoseToEigenAffine3d(des_pose_gripper1.pose);
   cout<<"gripper1 desired pose;  "<<endl;
   cout<<des_gripper1_affine_wrt_lcamera_.linear()<<endl;
   cout<<"origin: "<<des_gripper1_affine_wrt_lcamera_.translation().transpose()<<endl;

   des_gripper2_affine_wrt_lcamera_ = transformPoseToEigenAffine3d(des_pose_gripper2.pose);
   cout<<"gripper2 desired pose;  "<<endl;
   cout<<des_gripper2_affine_wrt_lcamera_.linear()<<endl;
   cout<<"origin: "<<des_gripper2_affine_wrt_lcamera_.translation().transpose()<<endl;

   //do IK to convert these to joint angles:
    //Eigen::VectorXd q_vec1,q_vec2;
    Vectorq7x1 q_vec1,q_vec2;
    q_vec1.resize(7);
    q_vec2.resize(7);

    
    trajectory_msgs::JointTrajectory des_trajectory; // an empty trajectory 
    des_trajectory.points.clear(); // can clear components, but not entire trajectory_msgs
    des_trajectory.joint_names.clear(); //could put joint names in...but I assume a fixed order and fixed size, so this is unnecessary
    // if using wsn's trajectory streamer action server
    des_trajectory.header.stamp = ros::Time::now();

    trajectory_msgs::JointTrajectoryPoint trajectory_point; //,trajectory_point2; 
    trajectory_point.positions.resize(14);
    
    ROS_INFO("\n");
    ROS_INFO("stored previous command to gripper one: ");
    cout<<gripper1_affine_last_commanded_pose_.linear()<<endl;
    cout<<"origin: "<<gripper1_affine_last_commanded_pose_.translation().transpose()<<endl;
   

    // first, reiterate previous command:
    // this could be easier, if saved previous joint-space trajectory point...
    des_gripper_affine1_ = affine_lcamera_to_psm_one_.inverse()*gripper1_affine_last_commanded_pose_; //previous pose
    ik_solver_.ik_solve(des_gripper_affine1_); //convert desired pose into equiv joint displacements
    q_vec1 = ik_solver_.get_soln(); 
    q_vec1(6) = last_gripper_ang1_; // include desired gripper opening angle
    
    
    des_gripper_affine2_ = affine_lcamera_to_psm_two_.inverse()*gripper2_affine_last_commanded_pose_; //previous pose
    ik_solver_.ik_solve(des_gripper_affine2_); //convert desired pose into equiv joint displacements
    q_vec2 = ik_solver_.get_soln(); 
    cout<<"q_vec1 of stored pose: "<<endl;
    for (int i=0;i<6;i++) {
        cout<<q_vec1[i]<<", ";
    }
    cout<<endl;
    q_vec2(6) = last_gripper_ang2_; // include desired gripper opening angle
    
       for (int i=0;i<7;i++) {
            trajectory_point.positions[i] = q_vec1(i);
            trajectory_point.positions[i+7] = q_vec2(i);  
        }
    cout<<"start traj pt: "<<endl;
    for (int i=0;i<14;i++) {
        cout<<trajectory_point.positions[i]<<", ";
    }
    cout<<endl;
      trajectory_point.time_from_start = ros::Duration(0.0); // start time set to 0
    // PUSH IN THE START POINT:
      des_trajectory.points.push_back(trajectory_point);            

    // compute and append the goal point, in joint space trajectory:
    des_gripper_affine1_ = affine_lcamera_to_psm_one_.inverse()*des_gripper1_affine_wrt_lcamera_;
    ROS_INFO("desired gripper one location in base frame: ");
    cout<<"gripper1 desired pose;  "<<endl;
    cout<<des_gripper_affine1_.linear()<<endl;
    cout<<"origin: "<<des_gripper_affine1_.translation().transpose()<<endl;

    ik_solver_.ik_solve(des_gripper_affine1_); //convert desired pose into equiv joint displacements
    q_vec1 = ik_solver_.get_soln(); 
    q_vec1(6) = gripper_ang1_; // include desired gripper opening angle

    des_gripper_affine2_ = affine_lcamera_to_psm_two_.inverse()*des_gripper2_affine_wrt_lcamera_;
    ik_solver_.ik_solve(des_gripper_affine2_); //convert desired pose into equiv joint displacements
    q_vec2 = ik_solver_.get_soln();  
    cout<<"q_vec1 of goal pose: "<<endl;
    for (int i=0;i<6;i++) {
        cout<<q_vec1[i]<<", ";
    }
    cout<<endl;
    q_vec2(6) = gripper_ang2_;
        for (int i=0;i<7;i++) {
            trajectory_point.positions[i] = q_vec1(i);
            trajectory_point.positions[i+7] = q_vec2(i);  
        }
      trajectory_point.time_from_start = ros::Duration(arrival_time_);
   cout<<"goal traj pt: "<<endl;
    for (int i=0;i<14;i++) {
        cout<<trajectory_point.positions[i]<<", ";
    }
    cout<<endl;
      des_trajectory.points.push_back(trajectory_point);

    js_goal_.trajectory = des_trajectory;

    // Need boost::bind to pass in the 'this' pointer
  // see example: http://library.isr.ist.utl.pt/docs/roswiki/actionlib_tutorials%282f%29Tutorials%282f%29Writing%2820%29a%2820%29Callback%2820%29Based%2820%29Simple%2820%29Action%2820%29Client.html
  //  ac.sendGoal(goal,
  //              boost::bind(&MyNode::doneCb, this, _1, _2),
  //              Client::SimpleActiveCallback(),
  //              Client::SimpleFeedbackCallback());

    js_action_client_.sendGoal(js_goal_, boost::bind(&CartMoveActionServer::js_doneCb_,this,_1,_2)); // we could also name additional callback functions here, if desired
    //    action_client.sendGoal(goal, &doneCb, &activeCb, &feedbackCb); //alt--more callback funcs possible
    
    double t_timeout=arrival_time_+2.0; //wait 2 sec longer than expected duration of move
    
    bool finished_before_timeout = js_action_client_.waitForResult(ros::Duration(t_timeout));
    //bool finished_before_timeout = action_client.waitForResult(); // wait forever...
    if (!finished_before_timeout) {
        ROS_WARN("joint-space interpolation result is overdue ");
    } else {
        ROS_INFO("finished before timeout");
    }

    ROS_INFO("completed callback" );
    cart_move_as_.setSucceeded(cart_result_); // tell the client that we were successful acting on the request, and return the "result" message 
    
    //let's remember the last pose commanded, so we can use it as start pose for next move
    gripper1_affine_last_commanded_pose_ = des_gripper1_affine_wrt_lcamera_;
    gripper2_affine_last_commanded_pose_ = des_gripper2_affine_wrt_lcamera_;    
    //and the jaw opening angles:
    last_gripper_ang1_=gripper_ang1_;
    last_gripper_ang2_=gripper_ang2_;
}
  bool executeGrasps(const std::vector<manipulation_msgs::Grasp>& possible_grasps,
                     const geometry_msgs::Pose& block_pose)
  {
    ROS_INFO_STREAM_NAMED("pick_place_moveit","Creating Pickup Goal");


    // ---------------------------------------------------------------------------------------------
    // Create PlanningOptions
    moveit_msgs::PlanningOptions options;

    // The diff to consider for the planning scene (optional)
    //PlanningScene planning_scene_diff

    // If this flag is set to true, the action
    // returns an executable plan in the response but does not attempt execution
    options.plan_only = false;

    // If this flag is set to true, the action of planning &
    // executing is allowed to look around  (move sensors) if
    // it seems that not enough information is available about
    // the environment
    options.look_around = false;

    // If this value is positive, the action of planning & executing
    // is allowed to look around for a maximum number of attempts;
    // If the value is left as 0, the default value is used, as set
    // with dynamic_reconfigure
    //int32 look_around_attempts

    // If set and if look_around is true, this value is used as
    // the maximum cost allowed for a path to be considered executable.
    // If the cost of a path is higher than this value, more sensing or
    // a new plan needed. If left as 0.0 but look_around is true, then
    // the default value set via dynamic_reconfigure is used
    //float64 max_safe_execution_cost

    // If the plan becomes invalidated during execution, it is possible to have
    // that plan recomputed and execution restarted. This flag enables this
    // functionality
    options.replan = false;

    // The maximum number of replanning attempts
    //int32 replan_attempts

    // ---------------------------------------------------------------------------------------------
    // Create and populate the goal
    moveit_msgs::PickupGoal goal;

    // An action for picking up an object

    // The name of the object to pick up (as known in the planning scene)
    goal.target_name = chosen_block_object_.id;

    // which group should be used to plan for pickup
    goal.group_name = PLANNING_GROUP_NAME;

    // which end-effector to be used for pickup (ideally descpending from the group above)
    goal.end_effector = EE_NAME;

    // a list of possible grasps to be used. At least one grasp must be filled in
    goal.possible_grasps.resize(possible_grasps.size());
    goal.possible_grasps = possible_grasps;

    // the name that the support surface (e.g. table) has in the collision map
    // can be left empty if no name is available
    //string collision_support_surface_name

    // whether collisions between the gripper and the support surface should be acceptable
    // during move from pre-grasp to grasp and during lift. Collisions when moving to the
    // pre-grasp location are still not allowed even if this is set to true.
    goal.allow_gripper_support_collision = true;

    // The names of the links the object to be attached is allowed to touch;
    // If this is left empty, it defaults to the links in the used end-effector
    //string[] attached_object_touch_links

    // Optional constraints to be imposed on every point in the motion plan
    //Constraints path_constraints

    // an optional list of obstacles that we have semantic information about
    // and that can be touched/pushed/moved in the course of grasping;
    // CAREFUL: If the object name 'all' is used, collisions with all objects are disabled during the approach & lift.
    //string[] allowed_touch_objects

    // The maximum amount of time the motion planner is allowed to plan for
    goal.allowed_planning_time = 10.0; // seconds?

    // Planning options
    goal.planning_options = options;

    //ROS_INFO_STREAM_NAMED("pick_place_moveit","Pause");
    //ros::Duration(5.0).sleep();

    // ---------------------------------------------------------------------------------------------
    // Send the grasp to move_group/Pickup
    ROS_INFO_STREAM_NAMED("pick_place_moveit","Sending pick action to move_group/Pickup");

    movegroup_action_.sendGoal(goal);

    if(!movegroup_action_.waitForResult(ros::Duration(20.0)))
    {
      ROS_INFO_STREAM_NAMED("pick_place_moveit","Returned early?");
      return false;
    }
    if (movegroup_action_.getState() == actionlib::SimpleClientGoalState::SUCCEEDED)
    {
      ROS_INFO_STREAM_NAMED("pick_place_moveit","Plan successful!");
    }
    else
    {
      ROS_ERROR_STREAM_NAMED("pick_place_moveit","FAILED: " << movegroup_action_.getState().toString() << ": " << movegroup_action_.getState().getText());
      return false;
    }

    return true;
  }