Example #1
0
def getObjPos(ObjName):
    client = natnet.NatClient(client_ip = '127.0.0.1', data_port = 1511, comm_port = 1510)
    obj = client.rigid_bodies[ObjName]
    if obj.tracking_valid:
        return obj.position
    else:
        return None
Example #2
0
def getObjPos(ObjName):
    client = natnet.NatClient(client_ip='127.0.0.1',
                              data_port=1511,
                              comm_port=1510)
    obj = client.rigid_bodies[ObjName]
    if obj.seen:
        x = obj.position[0]
        y = -obj.position[1]
        z = -obj.position[2]
        objPos = [x, y, z]  # make a line
        return objPos
    else:
        return None
 def __init__(self):
     ''' ROS node for natnet client'''
     self.read_parameters()
     try:
         self.client = natnet.NatClient(client_ip=self.client_ip,
                                        server_ip=self.server_ip,
                                        data_port=self.data_port,
                                        comm_port=self.comm_port,
                                        read_rate=self.read_rate)
     except:
         rospy.logerr(
             "Error at connecting to the server. Please check the ip address."
         )
         exit()
Example #4
0
def get_rigid_body(rigid_body):
    try:
        import natnetclient as natnet
        client = natnet.NatClient()
        try:
            led = client.rigid_bodies[rigid_body]
        except KeyError:
            raise KeyError("No Motive Rigid Body detected named '{}'.".format(rigid_body))
        if led.position is None:
            raise IOError("Motive is not sending rigid body positions")
    except ConnectionResetError:
        raise ConnectionResetError("Cannot detect Tracking Client.  Is your tracking system sending data?")

    return led
Example #5
0
def test_total_tracking():
    myarduino = vrl.Arduino.from_experiment_type(port='COM9', baudrate=250000, experiment_type='Total')
    mystim = vrl.Stimulus(position=(0, 0), color=(1, 1, 1))
    mystim.mesh.point_size = 5
    mystim.mesh.scale.xyz = .03, .2, 1
    client = natnet.NatClient()
    led = client.rigid_bodies['LED']
    trials = random.randint(5, 16)
    myexp = vrl.TotalExperiment(arduino=myarduino,
                                stim=mystim,
                                on_width=[.01, .3],
                                rigid_body=led,
                                trials=trials,
                                screen_ind=1,
                                fullscreen=True)
    myexp.run()
    assert trials == myexp.data.values[-2]
    assert len(myexp.data.values) == 5 * 500 * trials  # each trial, 500 packets, each packet 5 elements
Example #6
0
pyglet.options['debug_gl'] = False
from pyglet.window import key
import ratcave as rc
import _transformations as trans
import numpy as np
import natnetclient
import socket
import pickle
import pdb

RIGID_BODY_NAME = 'Rat'
ADJUSTMENT_STEP_SIZE = .001

# Connect to Motive and get tracked object
try:
    tracker = natnetclient.NatClient()
except socket.error as excpt:
    raise IOError("NatNet Server not detected.  Confirm that Motive is streaming data to localhost!")

try:
    rbody = tracker.rigid_bodies[RIGID_BODY_NAME]
    assert bool(rbody), "No rigid body position found.  Make sure rigid bodies are streaming from Motive (off in Motive now by default)"
except KeyError:
    raise KeyError("Rigid Body {} not detected.  Add it in Motive, so we can track it!".format(RIGID_BODY_NAME))

print(tracker.rigid_bodies)


# Load up Projector
with open('projector_data.pickle') as f:
    projdict = pickle.load(f)
Example #7
0
import natnetclient as natnet
client = natnet.NatClient(client_ip='192.168.1.101',
                          data_port=1511,
                          comm_port=1510)

hand = client.rigid_bodies[
    'Rigid Body1']  # Assuming a Motive Rigid Body is available that you named "Hand"
print(hand.position)
print(hand.rotation)

hand_markers = hand.markers  # returns a list of markers, each with their own properties
print(hand_markers[0].position)
     dest='body_name',
     action='store',
     type=str,
     default="Plane",
     help=
     'The body name of the optitrack rigid body, if not inputted, will send first key'
 )
 parser.add_argument('-v',
                     "--verbose",
                     action='store_true',
                     help='Turns on verbose messages.')
 args = parser.parse_args()
 # Connect to Motive
 try:
     client = natnet.NatClient(client_ip=args.natnet_ip,
                               data_port=1511,
                               comm_port=1510)
 except Exception as e:
     print("Could not connect to NatNet computer at IP " + args.natnet_ip)
     print(e)
     sys.exit(0)
     # Connect to the drone
     # vehicle = dronekit.connect(args.mav_link, wait_ready=False, rate=200, heartbeat_timeout=0)
     #print client.rigid_bodies
     # embed()
 ## Create the ros node
 rospy.init_node('CameraNode', anonymous=True)
 rate = rospy.Rate(100)  # run the loop at these many Hz
 pub = rospy.Publisher('CameraStream', Camera, queue_size=10)
 # pub_plane = rospy.Publisher('CameraStream_Plane', Camera, queue_size = 10)
 # pub_pole = rospy.Publisher('CameraStream_Pole',  Camera, queue_size = 10)
Example #9
0
import pyglet
pyglet.options['debug_gl'] = False
pyglet.options['debug_gl_trace'] = False
import ratcave as rc
import natnetclient as natnet
from Stimulus.stimulus import Stimulus

# initiate a natnet object
client = natnet.NatClient()
LED = client.rigid_bodies['LED']

# create a window and project it on the display of your choice
platform = pyglet.window.get_platform()
display = platform.get_default_display()
screen = display.get_screens()[1]
mywin = pyglet.window.Window(fullscreen=True, screen=screen, vsync=False)
fr = pyglet.window.FPSDisplay(mywin)

# initialize a stim object
plane = rc.WavefrontReader(rc.resources.obj_primitives).get_mesh(
    'Plane', drawmode=rc.POINTS)
plane.point_size = 4.
plane.position.xyz = 0, 0, -3
plane.rotation.x = 0
plane.scale.xyz = .2
# plane.uniforms['diffuse'] = [0., 0., 0.]


@mywin.event
def on_draw():
    mywin.clear()
import pyglet

pyglet.options['debug_gl'] = False
pyglet.options['debug_gl_trace'] = False
import ratcave as rc
import natnetclient as natnet

# initiate a natnet object
client = natnet.NatClient()  # read_rate=1000
LED = client.rigid_bodies['LED']

# create a window and project it on the display of your choice
platform = pyglet.window.get_platform()
display = platform.get_default_display()
screen = display.get_screens()[1]
mywin = pyglet.window.Window(fullscreen=True, screen=screen, vsync=False)
fr = pyglet.window.FPSDisplay(mywin)

# initialize a stim object
plane = rc.WavefrontReader(rc.resources.obj_primitives).get_mesh(
    'Plane', drawmode=rc.POINTS)
plane.point_size = 10.
plane.position.xyz = 0, 0, -3
plane.rotation.x = 0
plane.scale.xyz = .2
# plane.uniforms['diffuse'] = [0., 0., 0.]


@mywin.event
def on_draw():
    mywin.clear()
Example #11
0
def master_loop(q_controls, q_gains, q_ref, q_data):
    global ref

    # Initialize natnet client
    client = natnet.NatClient(client_ip='127.0.0.1',
                              data_port=1511,
                              comm_port=1510)
    uav_tracker = client.rigid_bodies['UAV']

    # Initialize PCtoRC
    #uav_controller = pctorc.UAVController()

    #Initialize ARDrone
    uav_controller = ardrone_wrapper.ARDroneController()
    uav_controller.navdata_ready.wait()
    uav_controller.trim()

    # Initialize ERG
    dic = spio.loadmat("./ss_decoupled_final_mat_only.mat")
    ss = (np.matrix(dic["A"]), np.matrix(dic["B"]), np.matrix(dic["C"]),
          np.matrix(dic["D"]))
    #P = np.matrix(np.load("./erg/ss_v1_P.npy"))
    P = np.matrix(spio.loadmat("./ss_decoupled_final_P_optimal.mat")["P"])

    # Create constraints
    delta = 0.4
    zeta = 0.5
    c1 = erg.WallConstraint(np.array([[1, 1, 0]]).T, 1, delta, zeta)
    c2 = erg.WallConstraint(np.array([[-1, -1, 0]]).T, 1, delta, zeta)
    c3 = erg.WallConstraint(np.array([[1, -1, 0]]).T, 1, delta, zeta)
    c4 = erg.WallConstraint(np.array([[-1, 1, 0]]).T, 1, delta, zeta)
    c5 = erg.SphereConstraint(np.array([[0.5, 0.5, -1.2]]).T, 0.1, delta, zeta)
    c6 = erg.CylinderConstraint(np.array([[0.5, 0.5]]).T, 0.1, 0.4, 0.5)

    uav_erg = erg.ERG(ss, P, [c1, c6], 2, 0.01)

    ref_mod = np.copy(ref)

    # Initialize variables
    is_watching = True
    is_recording = False

    measurements = np.zeros([0, 18])

    #Main loop
    iframe = client.iFrame
    timestamp = client.timestamp

    while is_watching:
        # Get natnet data
        client.get_data()

        # Get GUI controls
        while True:
            try:
                c = q_controls.get_nowait()
                if c == GuiControls.ON_OFF:
                    if uav_controller.state.fly_mask:
                        uav_controller.landing = True
                    else:
                        uav_controller.takingoff = True
                elif c == GuiControls.EMERGENCY:
                    pass
                elif c == GuiControls.CONTROL:
                    uav_controller.controlling = not uav_controller.controlling
                elif c == GuiControls.RECORD:
                    is_recording = not is_recording
                    if not is_recording:
                        np.save(
                            time.strftime("recordings/%Y-%m-%d-%H%M.npy",
                                          time.localtime()), measurements)
                        measurements = np.zeros([0, 18])
                elif c == GuiControls.QUIT:
                    uav_controller.controlling = False
                    is_watching = False
                    time.sleep(1)
            except:
                break

        # Update gains and reference
        try:
            kpxy, kpz, kdxy, kdz = q_gains.get_nowait()
            control.Kp_pos = np.array([[kpxy, kpxy, kpz]]).T
            control.Kd_pos = np.array([[kdxy, kdxy, kdz]]).T
        except:
            pass
        try:
            r = q_ref.get_nowait()
            ref = np.matrix(r).T
        except:
            pass

        iframe_old = iframe
        iframe = client.iFrame
        """if iframe == iframe_old:
            continue"""

        # Update time step
        timestamp_old = timestamp
        timestamp = client.timestamp
        pc_time = time.time()
        dt = timestamp - timestamp_old

        # Get measurements
        p_meas = np.matrix(uav_tracker.position).T
        q_meas = np.matrix(uav_tracker.quaternion).T
        r_meas = np.matrix(quat.q_to_euler(uav_tracker.quaternion, 'xyzw')).T

        # Filter
        p_est, v_est = kalman.update(p_meas, dt)

        # ERG
        x = np.concatenate((p_meas, v_est), axis=0)
        ref_mod[0:3] = uav_erg.compute_reference(x, ref[0:3], ref_mod[0:3], dt)
        ref_mod[3] = ref[3]  # forward psi ref

        # Control
        Tc, phic, thetac, psic = control.outerloop(p_est, v_est, r_meas[0],
                                                   ref_mod)

        # Send command to UAV
        uav_controller.command = uav_controller.normalize_command(
            np.array([phic, thetac, Tc, psic]))
        uav_controller.send_control()

        # Update recordings
        meas = np.concatenate([[[iframe, pc_time, timestamp]], p_meas.T,
                               q_meas.T, ref.T, ref_mod.T],
                              axis=1)

        q_data.put(meas)

        if is_recording:
            measurements = np.append(measurements, meas, axis=0)

        time.sleep(0.002)

    # Finalize recording
    if is_recording:
        np.save(
            time.strftime("recordings/%Y-%m-%d-%H%M.npy", time.localtime()),
            measurements)

    uav_controller._close()
Example #12
0
def client():
    return natnet.NatClient()