Esempio n. 1
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    def __init__(self):
        # Define Adjustable Parameters
        self.file_location = rospy.get_param("~file_location")
        self.speed_limit = float(rospy.get_param("~speed_limit"))

        # Internal USE Variables - Do not modify without consultation
        self.mode = 1
        self.front_increment = 0.0    # [m]
        self.new_timestamp = 0
        self.last_timestamp = 1
        self.region_file = self.file_location +"/detection_region.yaml"
        self.outer_zone = ShapelyPolygon()
        self.inner_zone = ShapelyPolygon()
        self.checker_rate = rospy.Rate(5)
        self.cluster_tolerance = 0.05   # [m]
        self.counter = 0
        self.speed_type = 0

        # Publishers
        self.drive_pub = rospy.Publisher(rospy.get_param("~drive_topic"), Twist, queue_size=1)
        self.viz_inner_region_pub = rospy.Publisher(rospy.get_param("~viz_inner_region_topic"), PolygonStamped, queue_size=1)
        self.viz_outer_region_pub = rospy.Publisher(rospy.get_param("~viz_outer_region_topic"), PolygonStamped, queue_size=1)
        self.debug_pub = rospy.Publisher("obstacle_stop/debug", String, queue_size=1)

        # Subscribers
        self.obstacle_mode_sub = rospy.Subscriber(rospy.get_param("~obstacle_mode_topic"), String, self.obstacle_modeCB, queue_size=1)
        self.speed_sub = rospy.Subscriber(rospy.get_param("~speed_topic"), Twist, self.speedCB, queue_size=1)
        self.scan_sub = rospy.Subscriber(rospy.get_param("~scan_topic"), LaserScan, self.scanCB, queue_size=1)

        # Lidar Health Checker Loop
        self.lidar_health_checker()
 def getPointsGroupedFromCloud(self, cloud, outer_region, inner_region):
     outer_pts = []
     inner_pts = []
     outer_polygon = ShapelyPolygon(outer_region)
     inner_polygon = ShapelyPolygon(inner_region)
     for pt in cloud:
         point = ShapelyPoint(pt[0], pt[1])
         if (outer_polygon.contains(point)):
             outer_pts.append(Point32(pt[0], pt[1], 0))
         if (inner_polygon.contains(point)):
             inner_pts.append(Point32(pt[0], pt[1], 0))
     return outer_pts, inner_pts
Esempio n. 3
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    def __init__(self):
        # Define Adjustable Parameters
        self.file_location = rospy.get_param("~file_location")
        self.speed_limit = float(rospy.get_param("~speed_limit"))

        # Internal USE Variables - Do not modify without consultation
        self.ch_params = 1
        #set mode to see the changes or set send mode by publisher
        self.mode="manual"
        self.data="manual"
        self.err_state=""
        self.err=1
        self.front_increment = 0.0    # [m]
        self.new_timestamp = 0
        self.last_timestamp = 1
        self.region_file = "/home/atlas80evo/catkin_ws/src/obstacle_stop/config/detection_region.yaml"
        self.outer_zone = ShapelyPolygon()
        self.inner_zone = ShapelyPolygon()
        self.front_region_zone=ShapelyPolygon()
        self.inner_region_slow_speed_zone=ShapelyPolygon()
        self.inner_region_top_speed_zone=ShapelyPolygon()
        self.checker_rate = rospy.Rate(5)
        self.cluster_tolerance = 0.05   # [m]
        self.counter = 0
        self.speed_type = 0
        self.lifter_status = 0
        self.prestate=""
        self.pre_timer=rospy.Time.now().to_sec()
        self.pre_timer_error=rospy.Time.now().to_sec()
        self.health_param=0
        self.pre_state=""
        print("started")
        # Publishers
        self.drive_pub = rospy.Publisher(rospy.get_param("~drive_topic"), Twist, queue_size=1)
        self.viz_inner_region_pub = rospy.Publisher(rospy.get_param("~viz_inner_region_topic"), PolygonStamped, queue_size=1)
        self.viz_outer_region_pub = rospy.Publisher(rospy.get_param("~viz_outer_region_topic"), PolygonStamped, queue_size=1)
        self.debug_pub = rospy.Publisher("obstacle_stop/debug", String, queue_size=1)

        # Subscribers
        self.lifter_sub = rospy.Subscriber(rospy.get_param("~lifter_call","lifter/status"), String, self.lifterCB, queue_size=1)
        self.obstacle_mode_sub = rospy.Subscriber(rospy.get_param("~fsm_node","/fsm_node/state"), FSMState, self.obstacle_modeCB, queue_size=1)
        self.speed_sub = rospy.Subscriber(rospy.get_param("~speed_topic"), Twist, self.speedCB, queue_size=1)
        self.scan_sub = rospy.Subscriber(rospy.get_param("~scan_topic"), LaserScan, self.scanCB, queue_size=1)

        #service server
        self.update_parameters=rospy.Service("update_params", Empty, self.update_params)
        self.health_obs= rospy.ServiceProxy("/health/obstacle",Empty)
        self.img_send=rospy.ServiceProxy("/screenshot",Empty)
        
        #load the yml file
        self.send_error()
        self.update_params()
Esempio n. 4
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 def getPointsInRegionFromPoints(self, pts, front_region):
     front_pts = []
     front_polygon = ShapelyPolygon(front_region)
     for p in pts:
         if (front_polygon.contains(p)):
             front_pts.append(p)
     return front_pts
    def __init__(self):
        # Define Adjustable Parameters
        self.pt_1 = Point(rospy.get_param("~pt_1_x"), rospy.get_param("~pt_1_y"), 0.0)
        self.pt_1_heading = rospy.get_param("~pt_1_heading")
        self.pt_2 = Point(rospy.get_param("~pt_2_x"), rospy.get_param("~pt_2_y"), 0.0)
        self.pt_2_heading = rospy.get_param("~pt_2_heading")
        self.pt_3 = Point(rospy.get_param("~pt_3_x"), rospy.get_param("~pt_3_y"), 0.0)
        self.pt_3_heading = rospy.get_param("~pt_3_heading")
        self.pt_4 = Point(rospy.get_param("~pt_4_x"), rospy.get_param("~pt_4_y"), 0.0)
        self.pt_4_heading = rospy.get_param("~pt_4_heading")
        self.pt_5 = Point(rospy.get_param("~pt_5_x"), rospy.get_param("~pt_5_y"), 0.0)
        self.pt_5_heading = rospy.get_param("~pt_5_heading")
        self.out_pt = Point(rospy.get_param("~out_pt_x"), rospy.get_param("~out_pt_y"), 0.0)
        self.out_pt_heading = rospy.get_param("~out_pt_heading")
        self.exit_pt = Point(rospy.get_param("~exit_pt_x"), rospy.get_param("~exit_pt_y"), 0.0)
        self.exit_pt_heading = rospy.get_param("~exit_pt_heading")
        self.bay_polygon = ShapelyPolygon([(rospy.get_param("~bay_1_x"), rospy.get_param("~bay_1_y")), (rospy.get_param("~bay_2_x"), rospy.get_param("~bay_2_y")), (rospy.get_param("~bay_3_x"), rospy.get_param("~bay_3_y")), (rospy.get_param("~bay_4_x"), rospy.get_param("~bay_4_y"))])    # Only available in 2D

        # Internal Use Variables - Do not modify without consultation
        self.refresh_rate = rospy.Rate(30)    # 30 [hz] <--> 0.033 [sec]
        self.mag_data = None
        self.k = 0
        self.command = []
        self.tmp_command = []
        self.mag_on = False   # use only between starting and ending
        self.end = False    # use to identify whether currently is starting / ending
        self.once = False    # use to make sure the crossroad detected repeatedly won't be counted
        self.last_msg = ""
        self.goal_pose = Point()
        self.tmp_pose = Point()
        self.turn_counter = 0
        self.turn = ""
        self.step_counter = 0  # use for check whether currently should be "1 - exit mode" or "2 - bay mode"
        self.position = Point()
        self.yaw = 0
        self.direction = ""
        self.iters = 0
        self.abort_iters = 0

        # Publishers
        self.notify_pub = rospy.Publisher(rospy.get_param("~notify_topic"), String, queue_size=1)
        self.drive_pub = rospy.Publisher(rospy.get_param("~drive_topic"), Twist, queue_size=1)
        self.init_90_turn_pub = rospy.Publisher(rospy.get_param("~init_90_turn_topic"), String, queue_size=1)
        self.relocalize_pub = rospy.Publisher(rospy.get_param("~relocalize_topic"), PoseWithCovarianceStamped, queue_size=1)
        self.finish_mag_pub = rospy.Publisher(rospy.get_param("~finish_mag_topic"), String, queue_size=1)
        self.check_drive_pub = rospy.Publisher(rospy.get_param("~check_drive_topic"), Bool, queue_size=1)
        self.debug_pub = rospy.Publisher("/mag_navi/debug", String, queue_size=1)

        # Subscribers
        self.init_mag_sub = rospy.Subscriber(rospy.get_param("~init_mag_topic"), String, self.init_magCB, queue_size=1)
        self.pose_sub = rospy.Subscriber(rospy.get_param("~pose_topic"), Odometry, self.poseCB, queue_size=1)
        self.mag_sub = rospy.Subscriber(rospy.get_param("~mag_topic"), String, self.magCB, queue_size=1)

        self.mag_loop()
Esempio n. 6
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 def getPointsInRegionFromClusters(self, clusters, cloud, detection_region):
     detected_pts = []
     detection_polygon = ShapelyPolygon(detection_region)
     if (len(clusters) != 0):
         for cluster in clusters:
             for pt_id, pt in enumerate(cluster):
                 point = ShapelyPoint(cloud[pt][0], cloud[pt][1])
                 if (detection_polygon.contains(point)):
                     detected_pts.append(point)
                 if (len(detected_pts) > 10):
                     return detected_pts
     return detected_pts
Esempio n. 7
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 def load_params_from_yaml(self, filepath):
     inner_region = []
     fast_outer_region = []
     slow_outer_region = []
     outer_region = []
     with open(filepath, 'r') as infile:
         data = yaml.load(infile)
         for p in data["outer_region"]["fast"]["points"]:
             fast_outer_region.append((p["x"], p["y"]))
         for p in data["outer_region"]["slow"]["points"]:
             slow_outer_region.append((p["x"], p["y"]))
         if(self.speed_type == 1):
             self.outer_zone = ShapelyPolygon(fast_outer_region)
             outer_region = fast_outer_region
         else:
             self.outer_zone = ShapelyPolygon(slow_outer_region)
             outer_region = slow_outer_region
         for p in data["inner_region"]["points"]:
             inner_region.append((p["x"], p["y"]))
         self.inner_zone = ShapelyPolygon(inner_region)
         self.visualize_region(outer_region, inner_region)
Esempio n. 8
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def load_points():
    with open("points_of_interest.json") as file:
        points_of_interest = json.load(file)

    bounding_box = Polygon(*points_of_interest["bounding_box"])

    # push front points forward
    for index in range(4, 10):
        bounding_box.points[index][0] += 0.05

    bounding_box.order_points()

    bounding_box_max = bounding_box.with_polygon(bounding_box)
    bounding_box_min = bounding_box.with_polygon(bounding_box)

    # bounding_box_max.scale(1.2, 1.2)
    bounding_box_max.offset(0.02, 0)

    bounding_box_max_points = np.array(bounding_box_max.points)
    bounding_box_min_points = np.array(bounding_box_min.points)

    # theta = np.radians(180)
    # c, s = np.cos(theta), np.sin(theta)
    # rotation_mat = np.array([[c, -s], [s, c]])
    #
    # bounding_box_max_points = bounding_box_max_points.dot(rotation_mat)
    # bounding_box_min_points = bounding_box_min_points.dot(rotation_mat)

    shapely_bounding_box_max = ShapelyPolygon(bounding_box_max_points)
    # shapely_bounding_box_min = ShapelyPolygon(bounding_box_max_points)

    plt.plot(0, 0, 'ko')
    plt.plot(bounding_box_max_points[:, 0], bounding_box_max_points[:, 1],
             'g.')
    plt.plot(bounding_box_min_points[:, 0], bounding_box_min_points[:, 1], '.')

    plt.gca().add_patch(
        patches.Polygon(bounding_box_max_points, closed=True, fill=False))
    plt.gca().add_patch(
        patches.Polygon(bounding_box_min_points, closed=True, fill=False))

    # test_points = np.random.uniform(-0.5, 0.5, (100, 2))
    test_points = read_test_points("test_points.txt")
    test_algorithm(shapely_bounding_box_max, bounding_box_max_points,
                   test_points)
    # test_algorithm(shapely_bounding_box_min, bounding_box_min_points)

    write_to_file("bounding_box_max.txt", bounding_box_max_points)
    write_to_file("bounding_box_min.txt", bounding_box_min_points)

    plt.show()
Esempio n. 9
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    def load_params_from_yaml(self, filepath):
        if self.ch_params == 1:
            self.inner_region = []
            self.fast_outer_region = []
            self.slow_outer_region = []
            self.delivery_outer_region = []
            self.table_dropping_outer_region = []
            self.table_picking_outer_region = []
            self.manual_outer_region = []
            self.error_outer_region = []
            self.suspend_outer_region = []
            self.none_outer_region = []
            self.charging_outer_region = []
            self.outer_region = []
            self.front_region = []
            self.inner_region_slow_speed = []
            self.inner_region_top_speed = []
            self.newdict = {
                "none": self.none_outer_region,
                "suspend": self.suspend_outer_region,
                "table_dropping": self.table_dropping_outer_region,
                "table_picking": self.table_picking_outer_region,
                "manual": self.manual_outer_region,
                "error": self.error_outer_region,
                "charging": self.charging_outer_region
            }

            with open(filepath, 'r') as infile:
                data = yaml.load(infile)
                for p in data["outer_region"]["fast"]["points"]:
                    self.fast_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["slow"]["points"]:
                    self.slow_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["delivery"]["points"]:
                    self.delivery_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["table_dropping"]["points"]:
                    self.table_dropping_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["table_picking"]["points"]:
                    self.table_picking_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["manual"]["points"]:
                    self.manual_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["error"]["points"]:
                    self.error_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["suspend"]["points"]:
                    self.suspend_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["none"]["points"]:
                    self.none_outer_region.append((p["x"], p["y"]))
                for p in data["outer_region"]["charging"]["points"]:
                    self.charging_outer_region.append((p["x"], p["y"]))
                for p in data["inner_region"]["points"]:
                    self.inner_region.append((p["x"], p["y"]))
                for p in data["front_region"]["points"]:
                    self.front_region.append((p["x"], p["y"]))
                for p in data["inner_region_slow_speed"]["points"]:
                    self.inner_region_slow_speed.append((p["x"], p["y"]))
                for p in data["inner_region_top_speed"]["points"]:
                    self.inner_region_top_speed.append((p["x"], p["y"]))
                self.ch_params = 0

        if self.mode != "error":
            self.pre_state = self.mode
        if self.mode == "error":
            self.mode = self.pre_state

        if self.mode == "delivery":
            if (self.speed_type == 1):
                self.outer_zone = ShapelyPolygon(self.fast_outer_region)
                self.outer_region = self.fast_outer_region
            else:
                self.outer_zone = ShapelyPolygon(self.slow_outer_region)
                self.outer_region = self.slow_outer_region

        else:
            self.outer_zone = ShapelyPolygon(self.newdict["{}".format(
                self.mode)])
            self.outer_region = self.newdict["{}".format(self.mode)]

        self.inner_region_slow_speed_zone = ShapelyPolygon(
            self.inner_region_slow_speed)
        self.inner_region_top_speed_zone = ShapelyPolygon(
            self.inner_region_top_speed)
        self.front_region_zone = ShapelyPolygon(self.front_region)
        self.inner_zone = ShapelyPolygon(self.inner_region)
        self.visualize_region(self.outer_region, self.inner_region)
Esempio n. 10
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"""
map_vertex_list = np.array([(0, 0), (250, 1000), (500, 750), (1000, 1000),
                            (750, 0)])
xmin = get_x(min(map_vertex_list, key=get_x))
xmax = get_x(max(map_vertex_list, key=get_x))
ymin = get_y(min(map_vertex_list, key=get_y))
ymax = get_y(max(map_vertex_list, key=get_y))
"""
Mutation rate for GA
    Format: decimal (1 = 100% (complete randomness))
"""
mutation_rate = 0.01

#Creates two polygon objects used for later calculations
map_poly = Polygon(map_vertex_list, True)
shapely_poly = ShapelyPolygon(map_vertex_list)
"""
The section below calculates the height and coverage radius of the network module on the drone
"""

#Parameters for the caclulation:
wavelength = 0.125
directivity_transmitter_dBi = 14
directivity_reciever_dBi = 5
power_transmitter_dBm = -10
power_reciever_dBm = -70
aperature_angle = 60

#convert angle in degrees to radians
theta = aperature_angle * (np.pi / 180)
Esempio n. 11
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def extract(access, geocode, layer='twitter', **kwargs):
    if 'consumer_key' in access.keys() and 'consumer_secret' in access.keys(
    ) and 'access_token' in access.keys() and 'access_secret' in access.keys():
        auth = OAuthHandler(access['consumer_key'], access['consumer_secret'])
        auth.set_access_token(access['access_token'], access['access_secret'])

    if 'items_per_request' not in kwargs.keys():
        kwargs['items_per_request'] = 100

    if 'wait' not in kwargs.keys():
        kwargs['wait'] = 60

    if 'max_area' not in kwargs.keys():
        kwargs['max_area'] = 200

    api = tweepy.API(auth)
    count = 0
    total = 0
    data = []

    while True:
        try:
            collection = tweepy.Cursor(api.search, geocode=geocode).items(
                kwargs['items_per_request'])
            for status in collection:
                if status.coordinates:
                    data.append(
                        (status.user.screen_name + ':' + str(status.user.id),
                         int(time.mktime(status.created_at.timetuple())),
                         status.coordinates['coordinates'][1],
                         status.coordinates['coordinates'][0], layer))
                    total = total + 1
                elif status.place:
                    polygon = ShapelyPolygon(
                        status.place.bounding_box.coordinates[0])
                    geom_area = ops.transform(
                        partial(
                            pyproj.transform, pyproj.Proj(init='EPSG:4326'),
                            pyproj.Proj(proj='aea',
                                        lat1=polygon.bounds[1],
                                        lat2=polygon.bounds[3])), polygon)

                    if geom_area.area < kwargs['max_area']:
                        point = polygon.representative_point().xy
                        data.append(
                            (status.user.screen_name + ':' +
                             str(status.user.id),
                             int(time.mktime(status.created_at.timetuple())),
                             point[1][0], point[0][0], layer))
        # except tweepy.TweepError as e:
        except:
            logpath = 'data/logs/'
            if not os.path.exists(logpath):
                os.makedirs(logpath)

            filename = datetime.datetime.fromtimestamp(
                time.time()).strftime(logpath + 'error_%Y%m%d.log')
            logging.basicConfig(filename=filename, filemode='a+')
            logging.exception("message")

            if 'force' in kwargs.keys() and kwargs['force']:
                time.sleep(5 * kwargs['wait'])
                continue

        if len(data) > 0:
            frame = pd.DataFrame(data)
            frame.columns = ['uid', 'timestamp', 'lat', 'lon', 'layer']
            data = []

            if 'filename' not in kwargs.keys():
                kwargs['filename'] = 'data/entries/twitter.csv'

            if not os.path.exists('data/entries/'):
                os.makedirs('data/entries/')

            header = not os.path.exists(kwargs['filename'])
            with open(kwargs['filename'], 'a+') as file:
                frame.to_csv(file, header=header, index=False)

        count = count + 1
        if 'limit' in kwargs.keys() and count >= kwargs['limit']:
            break
        time.sleep(kwargs['wait'])
Esempio n. 12
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 def to_shapely(self) -> ShapelyPolygon:
     return ShapelyPolygon(self.to_list(demarcation=True))
Esempio n. 13
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 def to_shapely(self) -> ShapelyPolygon:
     p0 = [self.xmin, self.ymin]
     p1 = [self.xmax, self.ymin]
     p2 = [self.xmax, self.ymax]
     p3 = [self.xmin, self.ymax]
     return ShapelyPolygon([p0, p1, p2, p3])