Python models.AerialPosition类代码示例

    def create_data(self):
        """Create a basic sample dataset."""
        self.user1 = User.objects.create_user('user1', '[email protected]',
                                              'testpass')
        self.user1.save()

        self.user2 = User.objects.create_user('user2', '[email protected]',
                                              'testpass')
        self.user2.save()

        # user1 is flying
        event = TakeoffOrLandingEvent(user=self.user1, uas_in_air=True)
        event.save()

        # user2 has landed
        event = TakeoffOrLandingEvent(user=self.user2, uas_in_air=True)
        event.save()
        event = TakeoffOrLandingEvent(user=self.user2, uas_in_air=False)
        event.save()

        # user2 is active
        self.timestamp = timezone.now()

        gps = GpsPosition(latitude=38.6462, longitude=-76.2452)
        gps.save()

        pos = AerialPosition(gps_position=gps, altitude_msl=0)
        pos.save()

        telem = UasTelemetry(user=self.user2, uas_position=pos, uas_heading=90)
        telem.save()
        telem.timestamp = self.timestamp
        telem.save()

    def create_moving_obstacle(self, waypoints):
        """Create a new MovingObstacle model.

        Args:
            waypoints: List of (lat, lon, alt) tuples

        Returns:
            Saved MovingObstacle
        """
        obstacle = MovingObstacle(speed_avg=40, sphere_radius=100)
        obstacle.save()

        for num, waypoint in enumerate(waypoints):
            (lat, lon, alt) = waypoint

            gps = GpsPosition(latitude=lat, longitude=lon)
            gps.save()

            pos = AerialPosition(gps_position=gps, altitude_msl=alt)
            pos.save()

            waypoint = Waypoint(order=num, position=pos)
            waypoint.save()

            obstacle.waypoints.add(waypoint)

        obstacle.save()
        return obstacle

    def create_uas_logs(self, user, entries):
        """Create a list of uas telemetry logs.

        Args:
            user: User to create logs for.
            entries: List of (lat, lon, alt) tuples for each entry.

        Returns:
            List of UasTelemetry objects
        """
        ret = []

        for (lat, lon, alt) in entries:
            pos = GpsPosition()
            pos.latitude = lat
            pos.longitude = lon
            pos.save()
            apos = AerialPosition()
            apos.altitude_msl = alt
            apos.gps_position = pos
            apos.save()
            log = UasTelemetry()
            log.user = user
            log.uas_position = apos
            log.uas_heading = 0
            log.save()
            ret.append(log)

        return ret

    def create_logs(self,
                    user,
                    num=10,
                    start=None,
                    delta=None,
                    altitude=100,
                    heading=90):
        if start is None:
            start = timezone.now()
        if delta is None:
            delta = datetime.timedelta(seconds=1)

        logs = []

        for i in xrange(num):
            gps = GpsPosition(latitude=38 + 0.001 * i,
                              longitude=-78 + 0.001 * i)
            gps.save()

            pos = AerialPosition(gps_position=gps, altitude_msl=altitude)
            pos.save()

            log = UasTelemetry(user=user,
                               uas_position=pos,
                               uas_heading=heading)
            log.save()
            log.timestamp = start + i * delta
            log.save()
            logs.append(log)

        return logs

 def setUp(self):
     """Creates test data."""
     # Form test set for contains position
     self.testdata_containspos = []
     for test_data in TESTDATA_FLYZONE_CONTAINSPOS:
         # Create the FlyZone
         zone = FlyZone()
         zone.altitude_msl_min = test_data['min_alt']
         zone.altitude_msl_max = test_data['max_alt']
         zone.save()
         for waypoint_id in range(len(test_data['waypoints'])):
             (lat, lon) = test_data['waypoints'][waypoint_id]
             gpos = GpsPosition()
             gpos.latitude = lat
             gpos.longitude = lon
             gpos.save()
             apos = AerialPosition()
             apos.gps_position = gpos
             apos.altitude_msl = 0
             apos.save()
             wpt = Waypoint()
             wpt.order = waypoint_id
             wpt.position = apos
             wpt.save()
             zone.boundary_pts.add(wpt)
         # Form test set
         test_pos = []
         for pos in test_data['inside_pos']:
             test_pos.append((pos, True))
         for pos in test_data['outside_pos']:
             test_pos.append((pos, False))
         # Store
         self.testdata_containspos.append((zone, test_pos))

 def test_get_waypoint_travel_time(self):
     """Tests travel time calc."""
     test_spds = [1, 10, 100, 500]
     for (lon2, lat2, lon1, lat1, dist_km) in TESTDATA_COMPETITION_DIST:
         dist_ft = units.kilometers_to_feet(dist_km)
         for speed in test_spds:
             speed_fps = units.knots_to_feet_per_second(speed)
             time = dist_ft / speed_fps
             gpos1 = GpsPosition()
             gpos1.latitude = lat1
             gpos1.longitude = lon1
             gpos1.save()
             apos1 = AerialPosition()
             apos1.gps_position = gpos1
             apos1.altitude_msl = 0
             apos1.save()
             wpt1 = Waypoint()
             wpt1.position = apos1
             gpos2 = GpsPosition()
             gpos2.latitude = lat2
             gpos2.longitude = lon2
             gpos2.save()
             apos2 = AerialPosition()
             apos2.gps_position = gpos2
             apos2.altitude_msl = 0
             apos2.save()
             wpt2 = Waypoint()
             wpt2.position = apos2
             waypoints = [wpt1, wpt2]
             obstacle = MovingObstacle()
             obstacle.speed_avg = speed
             self.assertTrue(self.eval_travel_time(
                 obstacle.get_waypoint_travel_time(waypoints, 0, 1), time))

 def test_unicode(self):
     """Tests the unicode method executes."""
     pos = GpsPosition()
     pos.latitude = 10
     pos.longitude = 100
     pos.save()
     apos = AerialPosition()
     apos.altitude_msl = 1000
     apos.gps_position = pos
     apos.save()
     wpt = Waypoint()
     wpt.position = apos
     wpt.order = 10
     wpt.save()
     config = MissionConfig()
     config.home_pos = pos
     config.emergent_last_known_pos = pos
     config.off_axis_target_pos = pos
     config.sric_pos = pos
     config.air_drop_pos = pos
     config.server_info = self.info
     config.save()
     config.mission_waypoints.add(wpt)
     config.search_grid_points.add(wpt)
     config.save()
     self.assertTrue(config.__unicode__())

    def test_satisfied_waypoints(self):
        """Tests the evaluation of waypoints method."""
        data = TESTDATA_MISSIONCONFIG_EVALWAYPOINTS
        (waypoint_details, uas_log_details, exp_satisfied) = data

        # Create mission config
        gpos = GpsPosition()
        gpos.latitude = 10
        gpos.longitude = 10
        gpos.save()
        config = MissionConfig()
        config.home_pos = gpos
        config.emergent_last_known_pos = gpos
        config.off_axis_target_pos = gpos
        config.sric_pos = gpos
        config.air_drop_pos = gpos
        config.server_info = self.info
        config.save()

        # Create waypoints for config
        for wpt_id in xrange(len(waypoint_details)):
            (lat, lon, alt) = waypoint_details[wpt_id]
            pos = GpsPosition()
            pos.latitude = lat
            pos.longitude = lon
            pos.save()
            apos = AerialPosition()
            apos.altitude_msl = alt
            apos.gps_position = pos
            apos.save()
            wpt = Waypoint()
            wpt.position = apos
            wpt.order = wpt_id
            wpt.save()
            config.mission_waypoints.add(wpt)
        config.save()

        # Create UAS telemetry logs
        uas_logs = []
        user = User.objects.create_user('testuser', '[email protected]',
                                        'testpass')
        for (lat, lon, alt) in uas_log_details:
            pos = GpsPosition()
            pos.latitude = lat
            pos.longitude = lon
            pos.save()
            apos = AerialPosition()
            apos.altitude_msl = alt
            apos.gps_position = pos
            apos.save()
            log = UasTelemetry()
            log.user = user
            log.uas_position = apos
            log.uas_heading = 0
            log.save()
            uas_logs.append(log)

        # Assert correct satisfied waypoints
        wpts_satisfied = config.satisfied_waypoints(uas_logs)
        self.assertEqual(wpts_satisfied, exp_satisfied)

def postUasPosition(request):
    """Posts the UAS position with a POST request.

    User must send a POST request with the following paramters:
    latitude: A latitude in decimal degrees.
    longitude: A logitude in decimal degrees.
    altitude_msl: An MSL altitude in decimal feet.
    uas_heading: The UAS heading in decimal degrees. (0=north, 90=east)
    """
    # Validate user is logged in to make request
    if not request.user.is_authenticated():
        return HttpResponseBadRequest('User not logged in. Login required.')
    # Validate user made a POST request
    if request.method != 'POST':
        return HttpResponseBadRequest('Request must be POST request.')

    try:
        # Get the parameters
        latitude = float(request.POST['latitude'])
        longitude = float(request.POST['longitude'])
        altitude_msl = float(request.POST['altitude_msl'])
        uas_heading = float(request.POST['uas_heading'])
    except KeyError:
        # Failed to get POST parameters
        return HttpResponseBadRequest(
                'Posting UAS position must contain POST parameters "latitude", '
                '"longitude", "altitude_msl", and "uas_heading".')
    except ValueError:
        # Failed to convert parameters
        return HttpResponseBadRequest(
                'Failed to convert provided POST parameters to correct form.')
    else:
        # Check the values make sense
        if latitude < -90 or latitude > 90:
            return HttpResponseBadRequest(
                    'Must provide latitude between -90 and 90 degrees.')
        if longitude < -180 or longitude > 180:
            return HttpResponseBadRequest(
                    'Must provide longitude between -180 and 180 degrees.')
        if uas_heading < 0 or uas_heading > 360:
            return HttpResponseBadRequest(
                    'Must provide heading between 0 and 360 degrees.')

        # Store telemetry
        gps_position = GpsPosition()
        gps_position.latitude = latitude
        gps_position.longitude = longitude
        gps_position.save()
        aerial_position = AerialPosition()
        aerial_position.gps_position = gps_position
        aerial_position.altitude_msl = altitude_msl
        aerial_position.save()
        uas_telemetry = UasTelemetry()
        uas_telemetry.user = request.user
        uas_telemetry.uas_position = aerial_position
        uas_telemetry.uas_heading = uas_heading
        uas_telemetry.save()

        return HttpResponse('UAS Telemetry Successfully Posted.')

    def setUp(self):
        """Create the obstacles for testing."""
        # Obstacle with no waypoints
        obst_no_wpt = MovingObstacle()
        obst_no_wpt.speed_avg = 1
        obst_no_wpt.sphere_radius = 1
        obst_no_wpt.save()
        self.obst_no_wpt = obst_no_wpt

        # Obstacle with single waypoint
        self.single_wpt_lat = 40
        self.single_wpt_lon = 76
        self.single_wpt_alt = 100
        obst_single_wpt = MovingObstacle()
        obst_single_wpt.speed_avg = 1
        obst_single_wpt.sphere_radius = 1
        obst_single_wpt.save()
        single_gpos = GpsPosition()
        single_gpos.latitude = self.single_wpt_lat
        single_gpos.longitude = self.single_wpt_lon
        single_gpos.save()
        single_apos = AerialPosition()
        single_apos.gps_position = single_gpos
        single_apos.altitude_msl = self.single_wpt_alt
        single_apos.save()
        single_wpt = Waypoint()
        single_wpt.position = single_apos
        single_wpt.name = 'Waypoint'
        single_wpt.order = 1
        single_wpt.save()
        obst_single_wpt.waypoints.add(single_wpt)
        self.obst_single_wpt = obst_single_wpt

        # Obstacles with predefined path
        self.obstacles = list()
        for path in TESTDATA_MOVOBST_PATHS:
            cur_obst = MovingObstacle()
            cur_obst.name = 'MovingObstacle'
            cur_obst.speed_avg = 68
            cur_obst.sphere_radius = 10
            cur_obst.save()
            for pt_id in range(len(path)):
                (lat, lon, alt) = path[pt_id]
                cur_gpos = GpsPosition()
                cur_gpos.latitude = lat
                cur_gpos.longitude = lon
                cur_gpos.save()
                cur_apos = AerialPosition()
                cur_apos.gps_position = cur_gpos
                cur_apos.altitude_msl = alt
                cur_apos.save()
                cur_wpt = Waypoint()
                cur_wpt.position = cur_apos
                cur_wpt.name = 'Waypoint'
                cur_wpt.order = pt_id
                cur_wpt.save()
                cur_obst.waypoints.add(cur_wpt)
            cur_obst.save()
            self.obstacles.append(cur_obst)

    def test_unicode(self):
        """Tests the unicode method executes."""
        gps = GpsPosition(latitude=10, longitude=100)
        gps.save()

        pos = AerialPosition(gps_position=gps, altitude_msl=100)
        pos.save()

        pos.__unicode__()

 def create_log_element(self, lat, lon, alt, user, log_time):
     pos = GpsPosition(latitude=lat, longitude=lon)
     pos.save()
     apos = AerialPosition(gps_position=pos, altitude_msl=alt)
     apos.save()
     log = UasTelemetry(user=user, uas_position=apos, uas_heading=100, )
     log.save()
     log.timestamp = log_time
     log.save()
     return log

 def create_log_element(self, timestamp, user, lat, lon, alt, heading):
     pos = GpsPosition(latitude=lat, longitude=lon)
     pos.save()
     apos = AerialPosition(gps_position=pos, altitude_msl=alt)
     apos.save()
     log = UasTelemetry(timestamp=timezone.now(),
                        user=user,
                        uas_position=apos,
                        uas_heading=heading)
     log.save()
     return log

 def test_contains_pos(self):
     """Tests the contains_pos method."""
     for (zone, test_pos) in self.testdata_containspos:
         for ((lat, lon, alt), inside) in test_pos:
             gpos = GpsPosition()
             gpos.latitude = lat
             gpos.longitude = lon
             gpos.save()
             apos = AerialPosition()
             apos.altitude_msl = alt
             apos.gps_position = gpos
             self.assertEqual(zone.contains_pos(apos), inside)

    def test_duplicate_equal(self):
        """Tests the duplicate function with unequal positions."""
        gps1 = GpsPosition(latitude=0, longitude=0)
        gps1.save()
        gps2 = GpsPosition(latitude=0, longitude=0)
        gps2.save()

        pos1 = AerialPosition(gps_position=gps1, altitude_msl=0)
        pos2 = AerialPosition(gps_position=gps2, altitude_msl=0)
        pos3 = AerialPosition(gps_position=gps1, altitude_msl=0)

        self.assertTrue(pos1.duplicate(pos2))
        self.assertTrue(pos1.duplicate(pos3))