Example #1
0
void testPlotting(std::vector< Matrix<P_DIM> >& waypoints) {
	std::vector<Matrix<B_DIM> > B(T*NUM_WAYPOINTS, zeros<B_DIM,1>());

	Matrix<P_DIM> start = zeros<P_DIM,1>();
	int index = 0;
	for(int i = 0; i < NUM_WAYPOINTS; ++i) {
		std::vector<Matrix<P_DIM> > interp = linearlyInterpolate(start, waypoints[i], T);
		for(int t = 0; t < T; ++t) {
			B[index++].insert<P_DIM>(0, 0, interp[t]);
		}
		start = waypoints[i];
	}

	pythonDisplayTrajectory(B, waypoints, T*NUM_WAYPOINTS);
}
Example #2
0
bool MissionControlSpeedFilter::setToInterpolated(const MissionControlBase& missionController1, const MissionControlBase& missionController2, double t) {
  const MissionControlSpeedFilter& controller1 = static_cast<const MissionControlSpeedFilter& >(missionController1);
  const MissionControlSpeedFilter& controller2 = static_cast<const MissionControlSpeedFilter& >(missionController2);
  maximumBaseTwistInHeadingFrame_.getTranslationalVelocity().x() = linearlyInterpolate(controller1.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().x(),
                                                                                       controller2.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().x(), 0.0, 1.0, t);
  maximumBaseTwistInHeadingFrame_.getTranslationalVelocity().y() = linearlyInterpolate(controller1.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().y(),
                                                                                       controller2.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().y(), 0.0, 1.0, t);
  maximumBaseTwistInHeadingFrame_.getTranslationalVelocity().z() = linearlyInterpolate(controller1.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().z(),
                                                                                       controller2.getMaximumBaseTwistInHeadingFrame().getTranslationalVelocity().z(), 0.0, 1.0, t);
  maximumBaseTwistInHeadingFrame_.getRotationalVelocity().z() = linearlyInterpolate(controller1.getMaximumBaseTwistInHeadingFrame().getRotationalVelocity().z(),
                                                                                       controller2.getMaximumBaseTwistInHeadingFrame().getRotationalVelocity().z(), 0.0, 1.0, t);


  minimalDesiredPositionOffsetInWorldFrame_ = linearlyInterpolate(controller1.getMinimalPositionOffsetInWorldFrame(),
                                                                           controller2.getMinimalPositionOffsetInWorldFrame(), 0.0, 1.0, t);

  maximalDesiredPositionOffsetInWorldFrame_ = linearlyInterpolate(controller1.getMaximalPositionOffsetInWorldFrame(),
                                                                           controller2.getMaximalPositionOffsetInWorldFrame(), 0.0, 1.0, t);


  return true;
}
lwr_impedance_controller::CartImpTrajectoryPoint 
CartImpTrajectory::sampleInterpolation() {
    lwr_impedance_controller::CartImpTrajectoryPoint next_point;

    double timeFromStart = (double)time_ * dt_;
    double segStartTime = last_point_.time_from_start.toSec();
    double segEndTime = trajectory_.trajectory[trajectory_index_].time_from_start.toSec();
    
 //std::cout << "initial pose : [ " << trajectory_.trajectory[trajectory_index_].pose.position.x << " " << trajectory_.trajectory[trajectory_index_].pose.position.y << " " << trajectory_.trajectory[trajectory_index_].pose.position.z << " ]  [ " << trajectory_.trajectory[trajectory_index_].pose.orientation.x << " " << trajectory_.trajectory[trajectory_index_].pose.orientation.y << " " << trajectory_.trajectory[trajectory_index_].pose.orientation.z << " " << trajectory_.trajectory[trajectory_index_].pose.orientation.w << " ]" << std::endl;

    next_point = setpoint_;
 
    // interpolate position
    // x
    next_point.pose.position.x = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.position.x, trajectory_.trajectory[trajectory_index_].pose.position.x);
    // y
    next_point.pose.position.y = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.position.y, trajectory_.trajectory[trajectory_index_].pose.position.y); 
    // z
    next_point.pose.position.z = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.position.z, trajectory_.trajectory[trajectory_index_].pose.position.z); 
       
    // interpolate orientation
    // x
    next_point.pose.orientation.x = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.orientation.x, trajectory_.trajectory[trajectory_index_].pose.orientation.x); 
    // y
    next_point.pose.orientation.y = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.orientation.y, trajectory_.trajectory[trajectory_index_].pose.orientation.y);
    // z
    next_point.pose.orientation.z = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.orientation.z, trajectory_.trajectory[trajectory_index_].pose.orientation.z); 
    // w
    next_point.pose.orientation.w = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.pose.orientation.w, trajectory_.trajectory[trajectory_index_].pose.orientation.w); 

    //interpolate stiffness
    // x
    next_point.impedance.stiffness.force.x = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.force.x, trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.x); 
       
    next_point.impedance.stiffness.force.y = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.force.y, trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.y); 
       
    next_point.impedance.stiffness.force.z = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.force.z, trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.z);
       
    next_point.impedance.stiffness.torque.x = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.torque.x, trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.x); 
       
    next_point.impedance.stiffness.torque.y = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.torque.y, trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.y);
       
    next_point.impedance.stiffness.torque.z = linearlyInterpolate
      (timeFromStart, segStartTime, segEndTime, 
       last_point_.impedance.stiffness.torque.z, trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.z);  

    next_point.impedance.damping = trajectory_.trajectory[trajectory_index_].impedance.damping;
    next_point.wrench = trajectory_.trajectory[trajectory_index_].wrench;

    return next_point;
}
  lwr_impedance_controller::CartImpTrajectoryPoint sampleInterpolation() {
    lwr_impedance_controller::CartImpTrajectoryPoint next_point;

    double timeFromStart =
        (double) (now() - trajectory_.header.stamp).toSec();
    double segStartTime = last_point_.time_from_start.toSec();
    double segEndTime =
        trajectory_.trajectory[trajectory_index_].time_from_start.toSec();

    next_point = setpoint_;

    // interpolate position
    // x
    next_point.pose.position.x = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.pose.position.x,
        trajectory_.trajectory[trajectory_index_].pose.position.x);
    // y
    next_point.pose.position.y = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.pose.position.y,
        trajectory_.trajectory[trajectory_index_].pose.position.y);
    // z
    next_point.pose.position.z = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.pose.position.z,
        trajectory_.trajectory[trajectory_index_].pose.position.z);

    // interpolate orientation

    Eigen::Quaternion<double> start = Eigen::Quaternion<double>(last_point_.pose.orientation.w,
        last_point_.pose.orientation.x, last_point_.pose.orientation.y,
        last_point_.pose.orientation.z);
    Eigen::Quaternion<double> end = Eigen::Quaternion<double>(
        trajectory_.trajectory[trajectory_index_].pose.orientation.w,
        trajectory_.trajectory[trajectory_index_].pose.orientation.x,
        trajectory_.trajectory[trajectory_index_].pose.orientation.y,
        trajectory_.trajectory[trajectory_index_].pose.orientation.z);

    double t = linearlyInterpolate(timeFromStart, segStartTime, segEndTime, 0,
        1);

    Eigen::Quaternion<double> rot = start.slerp(t, end);

    next_point.pose.orientation.x = rot.x();
    next_point.pose.orientation.y = rot.y();
    next_point.pose.orientation.z = rot.z();
    next_point.pose.orientation.w = rot.w();


    /*
     // x
     next_point.pose.orientation.x = linearlyInterpolate(timeFromStart,
     segStartTime, segEndTime, last_point_.pose.orientation.x,
     trajectory_.trajectory[trajectory_index_].pose.orientation.x);
     // y
     next_point.pose.orientation.y = linearlyInterpolate(timeFromStart,
     segStartTime, segEndTime, last_point_.pose.orientation.y,
     trajectory_.trajectory[trajectory_index_].pose.orientation.y);
     // z
     next_point.pose.orientation.z = linearlyInterpolate(timeFromStart,
     segStartTime, segEndTime, last_point_.pose.orientation.z,
     trajectory_.trajectory[trajectory_index_].pose.orientation.z);
     // w
     next_point.pose.orientation.w = linearlyInterpolate(timeFromStart,
     segStartTime, segEndTime, last_point_.pose.orientation.w,
     trajectory_.trajectory[trajectory_index_].pose.orientation.w);
     */
    //interpolate stiffness
    // x
    next_point.impedance.stiffness.force.x = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.force.x,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.x);

    next_point.impedance.stiffness.force.y = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.force.y,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.y);

    next_point.impedance.stiffness.force.z = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.force.z,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.force.z);

    next_point.impedance.stiffness.torque.x = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.torque.x,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.x);

    next_point.impedance.stiffness.torque.y = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.torque.y,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.y);

    next_point.impedance.stiffness.torque.z = linearlyInterpolate(timeFromStart,
        segStartTime, segEndTime, last_point_.impedance.stiffness.torque.z,
        trajectory_.trajectory[trajectory_index_].impedance.stiffness.torque.z);

    next_point.impedance.damping =
        trajectory_.trajectory[trajectory_index_].impedance.damping;
    next_point.wrench = trajectory_.trajectory[trajectory_index_].wrench;

    return next_point;
  }