Exemple #1
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def test_channel():
    channel = Channel(uri=URI, exchange=EXCHANGE)
    subscription = Subscription(channel)
    subscription.subscribe("MyTopic.Sub.Sub")

    struct = Struct()
    struct.fields["value"].number_value = 666.0

    sent = Message(struct)
    sent.reply_to = subscription
    sent.created_at = int(1000 * now()) / 1000.0
    sent.timeout = 1.0
    sent.topic = "MyTopic.Sub.Sub"

    channel.publish(message=sent)
    received = channel.consume(timeout=1.0)

    assert sent.reply_to == received.reply_to
    assert sent.subscription_id == received.subscription_id
    assert sent.content_type == received.content_type
    assert sent.body == received.body
    assert sent.status == received.status
    assert sent.topic == received.topic
    assert sent.correlation_id == received.correlation_id
    assert sent.timeout == received.timeout
    assert sent.metadata == received.metadata
    assert sent.created_at == received.created_at
    assert str(sent) == str(received)

    struct2 = received.unpack(Struct)
    assert str(struct) == str(struct2)
    assert struct == struct2

    channel.close()
Exemple #2
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class TransformationFetcher:
  def __init__(self, broker_uri=None):
    self.channel = Channel() if broker_uri is None else Channel(broker_uri)
    self.subscription = Subscription(self.channel)
    self.transformations = {}

  def get_transformation(self, _from, _to):
    if _from in self.transformations and _to in self.transformations[_from]:
        return self.transformations[_from][_to]
    if self._request_transformation(_from, _to):
      return self.transformations[_from][_to]
    return None

  def _request_transformation(self, _from, _to):
    topic = 'FrameTransformation.{}.{}'.format(_from, _to)
    self.subscription.subscribe(topic)
    try:
      msg = self.channel.consume(timeout=5.0)
      self.subscription.unsubscribe(topic)
    except:
      self.subscription.unsubscribe(topic)
      return False
    transformation = msg.unpack(FrameTransformation)
    if _from not in self.transformations:
      self.transformations[_from] = {}
    self.transformations[_from][_to] = to_np(transformation.tf)
    return True
Exemple #3
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class BrokerEvents(object):
    def __init__(self, broker_uri, management_uri, log_level):
        self.log = Logger(name="BrokerEvents", level=log_level)

        self.log.debug("broker_uri='{}'", broker_uri)
        self.channel = Channel(broker_uri)
        self.subscription = Subscription(self.channel)
        self.subscription.subscribe(topic="binding.*")

        self.log.debug("management_uri='{}'", management_uri)
        self.consumers = self.query_consumers_http(management_uri)

    def run(self):
        while True:
            msg = self.channel.consume()
            self.log.debug("topic='{}' metadata={}", msg.topic, msg.metadata)

            if msg.metadata["destination_kind"] != "queue" or \
               msg.metadata["source_name"] != "is":
                continue

            event = msg.topic.split('.')[-1]
            topic = msg.metadata["routing_key"]
            queue = msg.metadata["destination_name"]

            if event == "created":
                self.consumers.info[topic].consumers.append(queue)
            elif event == "deleted":
                self.consumers.info[topic].consumers.remove(queue)
                if len(self.consumers.info[topic].consumers) == 0:
                    del self.consumers.info[topic]

            self.log.info("event='{}' topic='{}' queue='{}'", event, topic,
                          queue)

            self.channel.publish(
                Message(content=self.consumers),
                topic="BrokerEvents.Consumers",
            )

    @staticmethod
    def query_consumers_http(management_uri):
        reply = requests.get(management_uri + "/api/bindings")
        if reply.status_code != 200:
            why = "Failed to query management API, code={}".format(
                reply.status_code)
            raise RuntimeError(why)

        bindings = reply.json()
        bindings = [
            b for b in bindings
            if b["destination_type"] == "queue" and b["source"] == "is"
        ]

        consumers = ConsumerList()
        for b in bindings:
            consumers.info[b["routing_key"]].consumers.append(b["destination"])
        return consumers
def main():
    service_name = 'SkeletonsDetector.Detection'
    re_topic = re.compile(r'CameraGateway.(\w+).Frame')

    op = load_options()
    sd = SkeletonsDetector(op)

    log = Logger(name=service_name)
    channel = StreamChannel(op.broker_uri)
    log.info('Connected to broker {}', op.broker_uri)

    max_batch_size = max(100, op.zipkin_batch_size)
    exporter = ZipkinExporter(
        service_name=service_name,
        host_name=op.zipkin_host,
        port=op.zipkin_port,
        transport=BackgroundThreadTransport(max_batch_size=max_batch_size),
    )

    subscription = Subscription(channel=channel, name=service_name)
    subscription.subscribe('CameraGateway.*.Frame')

    while True:
        msg, dropped = channel.consume(return_dropped=True)

        tracer = Tracer(exporter, span_context=msg.extract_tracing())
        span = tracer.start_span(name='detection_and_render')
        detection_span = None

        with tracer.span(name='unpack'):
            im = msg.unpack(Image)
            im_np = get_np_image(im)
        with tracer.span(name='detection') as _span:
            skeletons = sd.detect(im_np)
            detection_span = _span
        with tracer.span(name='pack_and_publish_detections'):
            sks_msg = Message()
            sks_msg.topic = re_topic.sub(r'SkeletonsDetector.\1.Detection',
                                         msg.topic)
            sks_msg.inject_tracing(span)
            sks_msg.pack(skeletons)
            channel.publish(sks_msg)
        with tracer.span(name='render_pack_publish'):
            im_rendered = draw_skeletons(im_np, skeletons)
            rendered_msg = Message()
            rendered_msg.topic = re_topic.sub(r'SkeletonsDetector.\1.Rendered',
                                              msg.topic)
            rendered_msg.pack(get_pb_image(im_rendered))
            channel.publish(rendered_msg)

        span.add_attribute('Detections', len(skeletons.objects))
        tracer.end_span()
        log.info('detections = {:2d}, dropped_messages = {:2d}',
                 len(skeletons.objects), dropped)
        log.info('took_ms = {{ detection: {:5.2f}, service: {:5.2f}}}',
                 span_duration_ms(detection_span), span_duration_ms(span))
Exemple #5
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def main():
    service_name = "FaceDetector.Detection"
    log = Logger(name=service_name)
    op = load_options()
    face_detector = FaceDetector(op.model)

    channel = StreamChannel(op.broker_uri)
    log.info('Connected to broker {}', op.broker_uri)

    exporter = create_exporter(service_name=service_name, uri=op.zipkin_uri)

    subscription = Subscription(channel=channel, name=service_name)
    subscription.subscribe(topic='CameraGateway.*.Frame')

    while True:
        msg, dropped = channel.consume_last(return_dropped=True)

        tracer = Tracer(exporter, span_context=msg.extract_tracing())
        span = tracer.start_span(name='detection_and_render')
        detection_span = None

        with tracer.span(name='unpack'):
            im = msg.unpack(Image)
            im_np = to_np(im)

        with tracer.span(name='detection') as _span:
            camera_id = get_topic_id(msg.topic)
            faces = face_detector.detect(im_np)
            detection_span = _span

        with tracer.span(name='pack_and_publish_detections'):
            faces_msg = Message()
            faces_msg.topic = 'FaceDetector.{}.Detection'.format(camera_id)
            faces_msg.inject_tracing(span)
            faces_msg.pack(faces)
            channel.publish(faces_msg)

        with tracer.span(name='render_pack_publish'):
            img_rendered = draw_detection(im_np, faces)
            rendered_msg = Message()
            rendered_msg.topic = 'FaceDetector.{}.Rendered'.format(camera_id)
            rendered_msg.pack(to_image(img_rendered))
            channel.publish(rendered_msg)

        span.add_attribute('Detections', len(faces.objects))
        tracer.end_span()

        info = {
            'detections': len(faces.objects),
            'dropped_messages': dropped,
            'took_ms': {
                'detection': round(span_duration_ms(detection_span), 2),
                'service': round(span_duration_ms(span), 2)
            }
        }
        log.info('{}', str(info).replace("'", '"'))
def main(_argv):
    # Connect to the broker
    broker = "ampq://*****:*****@10.10.2.1:30000"
    channel = Channel(broker)

    # Subscribe to the desired topic
    subscription = Subscription(channel)
    camera_id = "CameraGateway." + FLAGS.camera + ".Frame"
    subscription.subscribe(topic=camera_id)

    if FLAGS.tiny:
        yolo = YoloV3Tiny()
    else:
        yolo = YoloV3()

    yolo.load_weights(FLAGS.weights)
    logging.info('weights loaded')

    class_names = [c.strip() for c in open(FLAGS.classes).readlines()]
    logging.info('classes loaded')

    msg = channel.consume()
    img = msg.unpack(Image)
    img = get_np_image(img)
    img_to_draw = img

    #img = tf.image.decode_image(img, channels=3)
    img = tf.expand_dims(img, 0)
    img = transform_images(img, FLAGS.size)

    t1 = time.time()
    boxes, scores, classes, nums = yolo(img)
    t2 = time.time()
    logging.info('time: {}'.format(t2 - t1))

    logging.info('detections:')
    for i in range(nums[0]):
        logging.info('\t{}, {}, {}'.format(class_names[int(classes[0][i])],
                                           np.array(scores[0][i]),
                                           np.array(boxes[0][i])))

    img_to_draw = draw_outputs(img_to_draw, (boxes, scores, classes, nums),
                               class_names)
    cv2.imwrite(FLAGS.output, img_to_draw)
    logging.info('output saved to: {}'.format(FLAGS.output))
Exemple #7
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def test_body(size):
    channel = Channel(uri=URI, exchange=EXCHANGE)

    subscription = Subscription(channel)
    subscription.subscribe("MyTopic.Sub.Sub")

    sent = Message()
    sent.reply_to = subscription
    sent.topic = "MyTopic.Sub.Sub"
    sent.body = bytes(bytearray(range(256)) * int(size))

    channel.publish(message=sent)
    received = channel.consume(timeout=1.0)

    assert repr(sent.body) == repr(received.body)
    assert sent.body == received.body

    channel.close()
Exemple #8
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def test_propagation():
    topic = "span_test"
    channel = Channel(uri=URI, exchange=EXCHANGE)
    subscription = Subscription(channel)
    subscription.subscribe(topic)

    tracer = Tracer()
    with tracer.span(name="span_name") as span:
        span_id = span.span_id
        message = Message()
        message.body = "body".encode('latin1')
        message.inject_tracing(span)
        channel.publish(topic=topic, message=message)

    message2 = channel.consume(timeout=1.0)
    span_context = message2.extract_tracing()

    assert span_context.span_id == span_id
    assert span_context.trace_id == tracer.tracer.span_context.trace_id
from is_msgs.common_pb2 import Position, Pose
from is_msgs.camera_pb2 import FrameTransformation
import numpy as np  #
from numpy.linalg import inv
import math

# Create a channel to connect to the broker
channel = Channel("amqp://10.10.2.20:30000")
# Create a subscription
subscription = Subscription(channel)

# Subscribe to get the relation from the initial reference frame where the robot was
# turned on and its current reference frame (dead reckoning odometry)
##################subscription.subscribe("FrameTransformation.1000.2000")

subscription.subscribe("FrameTransformation.2000.2001")
subscription.subscribe("FrameTransformation.2001.1003")

# Goal in the World Frame
# Change the goals value to make the robot move to different coordinates.
goalX = 0
goalY = 0
#goalWorldFrame = math.reshape(math.matrix([goalX, goalY, 0, 1]), [4, 1])
goalWorldFrame = np.matrix([goalX, goalY, 0, 1]).T

# Initialize transformation matrices used for storing odometry and correction
pepperPose = np.identity(4)
robotToWorld = np.identity(4)

# Change this variable to test between NavigateTo and MoveTo
useNavigate = True
service_name = 'SkeletonsHeatmap'
log = Logger(name=service_name)
ops = load_options()

channel = MyChannel(ops.broker_uri)
subscription = Subscription(channel, name='{}.Render'.format(service_name))
exporter = ZipkinExporter(
    service_name=service_name,
    host_name=ops.zipkin_host,
    port=ops.zipkin_port,
    transport=BackgroundThreadTransport(max_batch_size=20),
)

for group_id in ops.group_ids:
    subscription.subscribe('SkeletonsGrouper.{}.Localization'.format(group_id))

sks_hm = SkeletonsHeatmap(ops)

period = ops.period_ms / 1000.0
deadline = now()
while True:
    deadline += period
    msgs = []
    while True:
        try:
            msgs.append(channel.consume_until(deadline=deadline))
        except:
            break

    span_context = msgs[-1].extract_tracing() if len(msgs) > 0 else None
def get_keyPressed(event):
    keyPressed["letter"] = event.key
 
##### Main Program
## Plot world frame and robot frame in the same graphic
#######################

# Create a channel to connect to the broker
channel = Channel("amqp://10.10.2.20:30000")
# Create a subscription 
subscription = Subscription(channel)
# Subscribe to get the relation from the initial reference frame (2001) where the robot was
# turned on and its current reference frame (2000). This Frame Transforamtion corressponds
# to the dead reckoning odometry
subscription.subscribe("NewRobotPose")


# Create a 3D figure
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')

update_axis (ax,0,0)
# world reference frame
posx,posy,posz,u_vectors,v_vectors,w_vectors = create_world_frame()
# plot frame
ax.quiver(posx,posy,posz,u_vectors,v_vectors,w_vectors)
plt.draw()

keyPressed = {"letter":None} 
Exemple #12
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    if key == 'y':
        shutil.rmtree(sequence_folder)
    elif key == 'n':
        sys.exit(0)
    else:
        log.critical('Invalid command \'{}\', exiting.', key)
        sys.exit(-1)

os.makedirs(sequence_folder)

channel = Channel(op.broker_uri)
subscription = Subscription(channel)

if device == "webcam":
    # subscribe to one camera
    subscription.subscribe('CameraGateway.{}.Frame'.format(cam.id))

elif device == "cameras":
    # subscribe to multiple cameras
    for c in cam:
        subscription.subscribe('CameraGateway.{}.Frame'.format(c.id))

    # get display image size
    size = (2 * cam[0].config["image"]["resolution"]["height"],
            2 * cam[0].config["image"]["resolution"]["width"], 3)
    # create empty image do display
    full_image = np.zeros(size, dtype=np.uint8)

else:
    log.error("Invalid device option")
    sys.exit(-1)
Exemple #13
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def call_via_aruco(arucoID):

    # parameters for navigation 
    mapFile = "../lesson09_mapping_with_ArUco/map3011.dat"
    robotArUco = 8
    worldFrame = 1000
    step = 2
    robotRadius = .8
    N_KNN = 40  # number of edge from one sampled point
    MAX_EDGE_LEN = 2.5 # [m] Maximum edge length
    show_path = False



    # Create a channel to connect to the broker
    channel = Channel("amqp://10.10.2.23:30000")
    # Create a subscription 
    subscription = Subscription(channel)

    # Subscribe to the following topic:
    # - To get the position of the ArUco marker used as a calling signal for the robot

    topicGetArUcoLocation = "FrameTransformation."+str(arucoID+100)+"."+str(worldFrame)
    
    subscription.subscribe(topicGetArUcoLocation)

    # Localise the marker for calling the robot
    
    markerLocalized = False
    notSeen = 0
    count = 0

    while not markerLocalized:
        # Source must be the current position of the robot in the world frame
        message = channel.consume()
        
        notSeen = notSeen + 1

        if (message.topic == topicGetArUcoLocation):
            print("Found ArUco")
            # get the frame transformation betweeb the ArUco marker on the robot's back and the world
            arUcoToWorld = unpackFrameTransformation (message)
            
            goalX = arUcoToWorld[0,3]
            goalY = arUcoToWorld[1,3]
            print("x= ",goalX," y= ",goalY)
            markerLocalized = True
            notSeen = 0

        
        
        if notSeen > 30:
            notSeen = 0
            count = count + 1
            print("Try to turn the marker or show to other camera.")


            if count > 4:
                print("I can't localize the marker in the Intelligent Space.")
                sys.exit(0)
            

            
    # unsubscribe to not accumulate messages
    subscription.unsubscribe(topicGetArUcoLocation)
    
    

    # call the robot
    navigate(goalX,goalY,robotArUco, worldFrame, mapFile,step,robotRadius,N_KNN,MAX_EDGE_LEN,show_path)
Exemple #14
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sd = SkeletonsDetector(op)

log = Logger(name=service_name)
channel = StreamChannel(op.broker_uri)
log.info('Connected to broker {}', op.broker_uri)

max_batch_size = max(100, op.zipkin_batch_size)
exporter = ZipkinExporter(
    service_name=service_name,
    host_name=op.zipkin_host,
    port=op.zipkin_port,
    transport=BackgroundThreadTransport(max_batch_size=max_batch_size),
)

subscription = Subscription(channel=channel, name=service_name)
subscription.subscribe('CameraGateway.*.Frame')

while True:
    msg, dropped = channel.consume(return_dropped=True)

    tracer = Tracer(exporter, span_context=msg.extract_tracing())
    span = tracer.start_span(name='detection_and_render')

    with tracer.span(name='unpack'):
        im = msg.unpack(Image)
        im_np = get_np_image(im)
    with tracer.span(name='detect'):
        skeletons = sd.detect(im_np)
    with tracer.span(name='pack_and_publish_detections'):
        sks_msg = Message()
        sks_msg.topic = re_topic.sub(r'Skeletons.\1.Detection', msg.topic)
Exemple #15
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def main():

    service_name = 'GestureRecognizer.Recognition'
    log = Logger(name=service_name)

    op = load_options()

    channel = Channel(op.broker_uri)
    log.info('Connected to broker {}', op.broker_uri)

    exporter = create_exporter(service_name=service_name, uri=op.zipkin_uri)

    subscription = Subscription(channel=channel, name=service_name)
    for group_id in list(op.group_ids):
        subscription.subscribe(
            'SkeletonsGrouper.{}.Localization'.format(group_id))

    model = GestureRecognizer("model_gesture1_72.00.pth")
    log.info('Initialize the model')

    unc = Gauge('uncertainty_total', "Uncertainty about predict")
    unc.set(0.0)
    start_http_server(8000)

    buffer = list()
    predict_flag = False

    mean = lambda x: (sum(x) / len(x))

    while True:

        msg = channel.consume()

        tracer = Tracer(exporter, span_context=msg.extract_tracing())
        span = tracer.start_span(name='detection_and_info')

        annotations = msg.unpack(ObjectAnnotations)
        skeleton = select_skeletons(annotations=annotations,
                                    min_keypoints=op.skeletons.min_keypoints,
                                    x_range=op.skeletons.x_range,
                                    y_range=op.skeletons.y_range)

        if skeleton is None:
            tracer.end_span()
            continue

        skl = Skeleton(skeleton)
        skl_normalized = skl.normalize()
        pred, prob, uncertainty = model.predict(skl_normalized)

        if pred == 0 and predict_flag is False:
            pass

        elif pred != 0 and predict_flag is False:
            initial_time = time.time()
            predict_flag = True
            buffer.append(uncertainty)

        elif pred != 0 and predict_flag is True:
            buffer.append(uncertainty)

        elif pred == 0 and predict_flag is True:
            predict_flag = False
            exec_time = time.time() - initial_time
            if exec_time >= op.exec_time:
                unc.set(mean(buffer))
                log.info("execution_ms: {}, buffer_mean: {}",
                         (exec_time * 1000), mean(buffer))
            buffer = []

        tracer.end_span()

        info = {
            'prediction': pred,
            'probability': prob,
            'uncertainty': uncertainty,
            'took_ms': {
                'service': round(span_duration_ms(span), 2)
            }
        }
        log.info('{}', str(info).replace("'", '"'))
Exemple #16
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op_config = load_options()

ATSPlog = Logger(name='unpack')

service_name = "RobotGateway.{}".format(op_config.robot_parameters.id)
sonar_topic = "RobotGateway.{}.SonarScan".format(op_config.robot_parameters.id)
pose_topic = "RobotGateway.{}.Pose".format(op_config.robot_parameters.id)

# instania channel passando endereco do broker
# estabelece conexao com o broker
channel = Channel(op_config.broker_uri)
ATSPlog.info("event=ChannelInitDone")

# Inscreve nos topicos que deseja receber mensagem
subscription = Subscription(channel)
subscription.subscribe(pose_topic)
subscription.subscribe(sonar_topic)
ATSPlog.info("SubscriptionsDone")

# Envia mensagem de getConfig
get_req = Message(reply_to=subscription)
# Salva correlation_id do request
cor_id = get_req.correlation_id
# print("cor_id: ", cor_id)
# Broadcast message to anyone interested (subscribed)
channel.publish(message=get_req, topic=service_name + ".GetConfig")

# Envia msg de setConfig
config = RobotConfig()
config.speed.linear = 0.5
config.speed.angular = 0.0
Exemple #17
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from __future__ import print_function
from is_wire.core import Channel, Subscription
from is_msgs.common_pb2 import Tensor
from is_msgs.camera_pb2 import FrameTransformations
import numpy as np

# Connect to the broker
channel = Channel("amqp://10.10.2.23:30000")

# Subscribe to the desired topic(s)
subscription = Subscription(channel)
topic02 = "ArUco.7.FrameTransformations"  # get relation between camera 7 and the ArUco detected
subscription.subscribe(topic02)

# Blocks forever waiting for message

diretArucoPose = np.matrix('0,0,0,0;0,0,0,0;0,0,0,0;0,0,0,0')
matrix = np.matrix('0,0,0,0;0,0,0,0;0,0,0,0;0,0,0,0')

# Compare the Frame Transforamtion obtained directly from the Aruco detecion service  when an Aruco Marker is seen
# with the calculated Frame Transforamtion when considering the camera extrinsic matrix and the Aruco Marker position in the world
while True:
    message = channel.consume()

    # Get the Frame Transformation that represents the pose of the Aruco mark in the camera 7 reference frame
    # Then multiply by the extrinsic matrix of camera 7 to obtain the Aruco pose in world reference frame
    if message.topic == topic02:
        # Message returns a list of Frame Transformations
        frameTransList = message.unpack(FrameTransformations)
        # Check if there is any element (Frame Transformation) in the list
        if frameTransList.tfs:
def navigate(goalX, goalY, robotArUco, worldFrame, mapFile, step, robot_size,
             N_KNN, MAX_EDGE_LEN, show_path):

    exporter = ZipkinExporter(
        service_name="Robot.Controller",
        host_name="10.10.2.13",
        port="30200",
        transport=AsyncTransport,
    )

    # Create a channel to connect to the broker
    channel = Channel("amqp://10.10.2.13:30000")
    # Create a subscription
    subscription = Subscription(channel)

    # Subscribe to the following topics:
    # - To get the robot's current position in relation where it was turned on, i.e., dead reckoning odometry
    # - To get the position of the ArUco marker attached to the robot's back

    #robotArUco = 8  # ArUco marker ID attached to the robot's back
    #worldFrame = 1000    # Number of the world reference frame in the HPN Intelligent Space

    awarenessOff(channel)
    time.sleep(6)  # to wait some time to be sure the awareness if off

    topicGetRobotOdometry = "FrameTransformation.2000.2001"
    topicGetArUcoRobotBack = "FrameTransformation." + str(
        robotArUco + 100) + "." + str(worldFrame)

    subscription.subscribe(topicGetRobotOdometry)
    subscription.subscribe(topicGetArUcoRobotBack)

    # Initialise transformation matrices used for storing odometry and correction
    pepperPose = np.identity(4)
    robotOriginToWorld = np.identity(4)
    lastOdometry = np.identity(4)

    # Load the frame transformation between the ArUco marker on the robot's back and the robot's base frame.
    fileName = "frameArUcoRobot.dat"
    arUcoToRobot = read_frameTransformation(fileName)
    robotToArUco = inv(arUcoToRobot)

    print("Goal: ", goalX, "  ", goalY)

    # Localize the robot before start path planning

    robotLocalized = False
    notSeen = 0
    count = 0

    while not robotLocalized:
        # Source must be the current position of the robot in the world frame
        message = channel.consume()
        if (message.topic == topicGetRobotOdometry):
            print("reading odometry")
            # get the transformation matrix corresponding to the current rotation and position of the robot
            lastOdometry = unpackFrameTransformation(message)
            notSeen = notSeen + 1
            print(notSeen)

        if (message.topic == topicGetArUcoRobotBack):
            print("correcting odometry")
            # get the frame transformation betweeb the ArUco marker on the robot's back and the world
            arUcoToWorld = unpackFrameTransformation(message)
            # calculates the robot pose in the world frame
            pepperPose = arUcoToWorld * robotToArUco
            # calculate the frame transformation needed to correct robot's odometry while the ArUco marker is not seen by the intelligent space
            robotOriginToWorld = pepperPose * inv(lastOdometry)

            sourceX = pepperPose[0, 3]
            sourceY = pepperPose[1, 3]
            print("x= ", sourceX, " y= ", sourceY)
            robotLocalized = True
            notSeen = 0

        if notSeen > 30:
            notSeen = 0
            count = count + 1
            # unsubscribe to not accumulate messages
            subscription.unsubscribe(topicGetRobotOdometry)
            subscription.unsubscribe(topicGetArUcoRobotBack)

            if count > 4:
                print("I can't get localized by the Intelligent Space.")
                print(
                    "Please take me to a spot where the marker on my back can be seen by one of the cameras."
                )
                sys.exit(0)

            makeTurn(0, 0.3, channel)
            subscription.subscribe(topicGetRobotOdometry)
            subscription.subscribe(topicGetArUcoRobotBack)

    # unsubscribe to not accumulate messages
    subscription.unsubscribe(topicGetRobotOdometry)
    subscription.unsubscribe(topicGetArUcoRobotBack)

    #sys.exit(0)

    # Create obstacles
    ox, oy = create_virtualObstacles()

    # Call path planning
    # rx, ry contains the positions in the path
    rx, ry = PRM_planning(mapFile, sourceX, sourceY, goalX, goalY, ox, oy,
                          robot_size, step, N_KNN, MAX_EDGE_LEN)

    # Check if a path was found/home/raquel/ProgrammingIS/learningISBristol//
    #assert len(rx) != 0, 'Cannot found path'
    if len(rx) == 0:
        print('Cannot find path')
        raise SystemError

    #sys.exit(0)

    # Plot map points and obstacles
    if show_path:
        map_x, map_y = read_map(mapFile, step)
        plt.plot(ox, oy, ".k")
        plt.plot(sourceX, sourceY, "^r")
        plt.plot(goalX, goalY, "^c")
        plt.plot(map_x, map_y, ".b")
        plt.grid(True)
        plt.axis("equal")
        plt.plot(rx, ry, "-r")
        plt.plot(rx, ry, "og")
        plt.show()

    # Reverse the order of the path (list) returned by the path-planning algorithm
    # The original list contains the goal at the beginning and the source at the end. We need the reverse
    rx = rx[::-1]
    ry = ry[::-1]
    print(rx)
    print(ry)

    #sys.exit(0)

    # Subscribe to the previous topics
    subscription.subscribe(topicGetRobotOdometry)
    subscription.subscribe(topicGetArUcoRobotBack)

    i = 0
    k = 0
    stuck = 0
    dist = 100.0
    threshold = 0.2

    try:
        while True:

            try:

                # listen the channelprint(frameArUcoRobot)
                message = channel.consume(timeout=0.5)

                spanr = message.extract_tracing()
                tracer = Tracer(exporter, spanr)
                tracer.start_span(name="Navigate")
                # Check if the message received is the robot's odometry - FrameTransformation type
                if (message.topic == topicGetRobotOdometry):
                    # get the transformation matrix corresponding to the current rotation and position of the robot
                    lastOdometry = unpackFrameTransformation(message)
                    pepperPose = robotOriginToWorld * lastOdometry

                    #print(pepperPose)

                elif (message.topic == topicGetArUcoRobotBack):

                    print("Odometry Corrected")
                    # get the transformation matrix corresponding to the current pose of the robot corrected when
                    # it sees an ArUco marker
                    arUcoToWorld = unpackFrameTransformation(message)
                    pepperPose = arUcoToWorld * robotToArUco
                    robotOriginToWorld = pepperPose * inv(lastOdometry)
            except socket.timeout:

                print("Time out")

            # matrix Inverse
            toPepperFrame = inv(pepperPose)
            # transform the goal from the world frame to the robot frame
            posX, posY, posZ = changeRefFrame(rx[i], ry[i], 0, toPepperFrame)

            distPrevious = dist
            dist = math.sqrt(posX**2 + posY**2)
            #print(dist)
            # If distance to current goal is less than the threshold, pick the next point in the path to be the next goal
            if dist < threshold:
                i = i + 1
                stuck = 0
                print(dist)
                print("Path index: ", i, "  of ", len(rx))

                if i == (len(rx) - 1):
                    threshold = 0.5

                # If that was the last point in the path, finish navigation. Goal achieved.
                if i >= len(rx):

                    print("Goal achieved")
                    break
                # If not the last point in the path, get the next point and converte it to robot frame
                print("Next point in the path")
                posX, posY, posZ = changeRefFrame(rx[i], ry[i], 0,
                                                  toPepperFrame)
                # Command robot to move
                commandMoveTo(posX, posY, channel)
                #commandNavigateTo(posX,posY,channel)

            # If distance to current goal is greater than the threshold, check if robot is stopped
            # To check if robot is stopped, calculate the difference between current distance and previous one
            elif abs(dist - distPrevious
                     ) < 0.005:  # if difference is less than 0.5 cm
                k = k + 1  # accumulate
                if k == 20:  #see if situation remains for 20 times
                    # Robot is stuck. Let's send a move command again
                    print(dist)
                    k = 0
                    print(
                        "Ooops.... I got stuck.... I will try to move. Stuck = ",
                        stuck)
                    posX, posY, posZ = changeRefFrame(rx[i], ry[i], 0,
                                                      toPepperFrame)

                    stuck = stuck + 1
                    if stuck == 4:

                        goBack(-10, 0, channel)
                        stuck = 0
                        posX, posY, posZ = changeRefFrame(
                            rx[i], ry[i], 0, toPepperFrame)
                        # Command robot to move
                        commandMoveTo(posX, posY, channel)
                    else:
                        commandMoveTo(posX, posY, channel)
            tracer.end_span()

    except KeyboardInterrupt:

        commandMoveTo(0, 0, channel)

    #awarenessOff(channel)

    awarenessOn(channel)
    time.sleep(6)
Exemple #19
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def main(_argv):
    if FLAGS.tiny:
        yolo = YoloV3Tiny()
    else:
        yolo = YoloV3()

    yolo.load_weights(FLAGS.weights)
    logging.info('weights loaded')

    class_names = [c.strip() for c in open(FLAGS.classes).readlines()]
    logging.info('classes loaded')

    times = []

    # Connect to the broker
    broker = "ampq://*****:*****@10.10.2.1:30000"
    channel = Channel(broker)

    # Subscribe to the desired topic
    subscription = Subscription(channel)
    camera_id = "CameraGateway." + FLAGS.camera + ".Frame"
    subscription.subscribe(topic=camera_id)

    #fourcc = cv2.VideoWriter_fourcc(*'MJPG')
    #fourcc = cv2.VideoWriter_fourcc(*'XVID')
    fourcc = cv2.VideoWriter_fourcc('m', 'p', '4', 'v')
    out = cv2.VideoWriter(FLAGS.output, fourcc, 5.0, (1288, 728))
    for i in range(FLAGS.nframes):

        msg = channel.consume()
        img = msg.unpack(Image)
        img = get_np_image(img)
        img_to_draw = img

        #img = tf.image.decode_image(img, channels=3)
        img = tf.expand_dims(img, 0)
        img = transform_images(img, FLAGS.size)

        t1 = time.time()
        boxes, scores, classes, nums = yolo.predict(img)
        t2 = time.time()
        times.append(t2 - t1)
        times = times[-20:]

        for i in range(nums[0]):
            logging.info('\t{}, {}, {}'.format(class_names[int(classes[0][i])],
                                               np.array(scores[0][i]),
                                               np.array(boxes[0][i])))
        rects = get_rects(img_to_draw, (boxes, scores, classes, nums))

        img_to_draw = draw_outputs(img_to_draw, (boxes, scores, classes, nums),
                                   class_names)

        objects = centroidTracker.update(rects)

        # loop over the tracked objects
        for (objectID, centroid) in objects.items():
            # draw both the ID of the object and the centroid of the
            # object on the output frame
            text = "{}".format(objectID)
            cv2.putText(img_to_draw, text, (centroid[0], centroid[1]),
                        cv2.FONT_HERSHEY_COMPLEX, 1, (0, 240, 0), 4)
            #cv2.circle(frame, (centroid[0], centroid[1]), 3, (0, 255, 0), -1)

        out.write(img_to_draw)

    out.release()
Exemple #20
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def input_thread(key):
    raw_input()
    key.append(None)
 

####  Main Program #######################
# Using keypad to control the robot with some 
# feedback on the screen

# Create a channel to connect to the broker
channel = Channel("amqp://10.10.2.20:30000")
# Create a subscription 
subscription = Subscription(channel)

topic = "Skeletons.Localization"
subscription.subscribe(topic)

worldFrame = 1000
tfFetcher = TransformationFetcher("amqp://10.10.2.20:30000")
x = []
y = []

threshold = 0.5
jointList = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]

#stdscr = curses.initscr()
#curses.cbreak()
#stdscr.keypad(1)
#stdscr.addstr(0,10,"Hit 'q' to quit")
#stdscr.refresh()

####  Main Program #######################
# Colleting all the 3D positions where skeletons were detected

# Create a channel to connect to the broker
channel = Channel("amqp://10.10.2.23:30000")
# Create a subscription
subscription = Subscription(channel)

# Subscribe in all the topics that can return the skeletons localization in the different areas
# In this case the areas are 0, 1 and 2
topics = []
for i in range(0, 3):
    topics.append("SkeletonsGrouper." + str(i) + ".Localization")
    subscription.subscribe(topics[i])

worldFrame = 1000
tfFetcher = TransformationFetcher("amqp://10.10.2.20:30000")
x = []
y = []

mapFile = "mapTest.dat"

with open(mapFile, 'w') as f:

    try:
        while True:
            message = channel.consume()

            # Check if the message is of the type expected
Exemple #22
0
elif args.type == 'eight':
    task = lemniscate_of_bernoulli(shape=(args.x, args.y),
                                   center=(0, 0),
                                   lap_time=25,
                                   rate=args.rate)
else:
    task = stop()

channel = Channel(options["broker_uri"])
subscription = Subscription(channel)

prefix = "RobotController.{}".format(options["parameters"]["robot_id"])
set_task_topic = "{}.SetTask".format(prefix)
progress_topic = "{}.Progress".format(prefix)

message = Message(content=task, reply_to=subscription)
channel.publish(message, topic=set_task_topic)
reply = channel.consume(timeout=1.0)
if not reply.status.ok():
    raise Exception(reply.status.why)
print(reply.unpack(RobotTaskReply))

subscription.subscribe(progress_topic)
while True:
    try:
        message = channel.consume()
        if message.topic == progress_topic:
            print(message.unpack(RobotControllerProgress))
    except KeyboardInterrupt:
        channel.publish(Message(content=stop()), topic=set_task_topic)
        sys.exit()
Exemple #23
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# Subscribe to get the relations between referential frames
##################

robotArUco = 8
worldFrame = 1003

# Relation between the initial reference frame where the robot was turned on and its current reference frame (dead reckoning odometry)
getRobotOdometry = "FrameTransformation.2000.2001"
# Relation between the initial reference frame where the robot was turned on and the world frame
getRobotWorldPosition = "FrameTransformation.2001." + str(worldFrame)
# Relation between the ArUco on the robot's back and the world frame
getArUcoRobotBack = "FrameTransformation." + str(robotArUco +
                                                 100) + "." + str(worldFrame)

subscription.subscribe(getRobotOdometry)
subscription.subscribe(getRobotWorldPosition)
subscription.subscribe(getArUcoRobotBack)

# Initialize transformation matrices used for storing odometry and correction
robotOdometry = np.identity(4)
robotWorldPosition = np.identity(4)
arUcoRobotBack = np.identity(4)
n = 1
k = 1
fileName = "frameArUcoRobot.dat"

testPoint = np.matrix([[0], [0], [0], [1]])

try:
    while True:
Exemple #24
0
from __future__ import print_function
from is_wire.core import Channel, Subscription
from is_msgs.camera_pb2 import FrameTransformation
import numpy as np
import json
import sys

if len(sys.argv) < 3:
    print("USAGE: python consume.py <FROM> <HINTS> <TO>")
    sys.exit(0)

c = Channel(json.load(open("../etc/conf/options.json"))["broker_uri"])
s = Subscription(c)

np.set_printoptions(precision=3, suppress=True)

topic = "FrameTransformation.%s" % ".".join(sys.argv[1:])
s.subscribe(topic)

while True:
    message = c.consume()
    transformation = message.unpack(FrameTransformation)
    tf = transformation.tf
    if len(tf.shape.dims):
        T = np.matrix(tf.doubles).reshape(tf.shape.dims[0].size,
                                          tf.shape.dims[1].size)
        print(T[:, 3], np.linalg.norm(T[:3, 3]))
import cv2
import sys
import re

# This program allows to see the images from one of the 8 cameras of
# the Intelligent Space
# User can chage the camera by pressing a number between 0 and 7

# Connect to the broker
channel = Channel("amqp://10.10.2.23:30000")

# Subscribe to the desired topic(s)
subscription = Subscription(channel)
# Create the topic name to the camera gateway that can be changed later
Topic = ["CameraGateway.0.Frame"]
subscription.subscribe(Topic[0])

# ... subscription.subscribe(topic="Other.Topic")


# Function to change the camera gateway
def changeCamera(camID):
    # First we must unsubscribe from the latest topic (camera gateway)
    subscription.unsubscribe(Topic[0])
    # Change for the new topic
    Topic[0] = "CameraGateway." + camID + ".Frame"
    # Subscribe in the new topic
    subscription.subscribe(Topic[0])


# Keep executing until 'q' is pressed
from __future__ import print_function
from is_wire.core import Channel, Subscription, Message


# This program shows how to consume a message published
# in some topic using the Intelligent Space framework

# Connect to the broker
channel = Channel("amqp://10.10.2.23:30000")

# Subscribe to the channel
subscription = Subscription(channel)

# Define topic name
Topic= "Aula01"

# Subscribe to the topic
subscription.subscribe(Topic)


while True:
    # Keep listening to the channel
    message = channel.consume()

    # Print message whenever receive one
    print ("Received message:")
    print (message.body)
    

        return super().consume(timeout=timeout)

service_name = 'Skeletons.Heatmap'
log = Logger(name=service_name)
ops = load_options()

channel = MyChannel(ops.broker_uri)
subscription = Subscription(channel)
exporter = ZipkinExporter(
    service_name=service_name,
    host_name=ops.zipkin_host,
    port=ops.zipkin_port,
    transport=BackgroundThreadTransport(max_batch_size=20),
)

subscription.subscribe('Skeletons.Localization')

sks_hm = SkeletonsHeatmap(ops)

period = ops.period_ms / 1000.0
deadline = now()
while True:
    deadline += period
    msgs = []
    while True:
        try:
            msgs.append(channel.consume_until(deadline=deadline))
        except:
            break
    
    span_context = msgs[-1].extract_tracing() if len(msgs) > 0 else None
Exemple #28
0
import qi

session = qi.Session()
try:
    session.connect("tcp://10.10.0.111:9559")
except RuntimeError:
    print("Can't connect to Naoqi")

motion_service = session.service("ALMotion")

# Create a channel to connect to the broker
channel = Channel("amqp://10.10.2.20:30000")
# Create a subscription
subscription = Subscription(channel)
topicGetRobotOdometry = "FrameTransformation.2000.2001"
subscription.subscribe(topicGetRobotOdometry)

try:
    while True:
        message = channel.consume()
        if (message.topic == topicGetRobotOdometry):
            # unpack the message according to its format
            frameTransf = message.unpack(FrameTransformation)
            tensor = frameTransf.tf
            # get the transformation matrix corresponding to the current rotation and position of the robot
            lastOdometry = np.matrix(tensor.doubles).reshape(
                tensor.shape.dims[0].size, tensor.shape.dims[1].size)
            print("######################################")
            print("Last odometry")
            print(lastOdometry)
            print("######################################")