コード例 #1
0
class TestDetection:
    def setup_method(self):
        latitude = constants.LATITUDE
        longitude = constants.LONGITUDE
        date_time = constants.DATETIME
        user_id = constants.UID

        lat_lons = np.array(
            [[43.8430139, 10.5079940], [43.5442700, 10.3261500],
             [43.7085300, 10.4036000], [43.7792500, 11.2462600],
             [43.8430139, 10.5079940], [43.7085300, 10.4036000],
             [43.8430139, 10.5079940], [43.5442700, 10.3261500],
             [43.5442700, 10.3261500], [43.7085300, 10.4036000],
             [43.8430139, 10.5079940], [43.7792500, 11.2462600],
             [43.7085300, 10.4036000], [43.5442700, 10.3261500],
             [43.7792500, 11.2462600], [43.7085300, 10.4036000],
             [43.7792500, 11.2462600], [43.8430139, 10.5079940],
             [43.8430139, 10.5079940], [43.5442700, 10.3261500]])

        traj = pd.DataFrame(lat_lons, columns=[latitude, longitude])

        traj[date_time] = pd.to_datetime([
            '20110203 8:34:04', '20110203 9:34:04', '20110203 10:34:04',
            '20110204 10:34:04', '20110203 8:34:04', '20110203 9:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110203 8:34:04',
            '20110203 9:34:04', '20110204 10:34:04', '20110204 11:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110204 12:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110205 12:34:04',
            '20110204 10:34:04', '20110204 11:34:04'
        ])

        traj[user_id] = [1 for _ in range(4)] + [2 for _ in range(4)] + \
                        [3 for _ in range(4)] + [4 for _ in range(3)] + \
                        [5 for _ in range(3)] + [6 for _ in range(2)]

        self.unique_points = [(43.544270, 10.326150), (43.708530, 10.403600),
                              (43.779250, 11.246260), (43.843014, 10.507994)]

        self.traj = traj.sort_values([user_id, date_time])
        self.trjdat = TrajDataFrame(traj, user_id=user_id)

    def test_stops(self):
        output = detection.stops(self.trjdat)

        expected = self.trjdat.drop([3, 7, 11, 14, 17, 19])
        stamps = [
            pd.Timestamp('2011-02-03 09:34:04'),
            pd.Timestamp('2011-02-03 10:34:04'),
            pd.Timestamp('2011-02-04 10:34:04'),
            pd.Timestamp('2011-02-03 09:34:04'),
            pd.Timestamp('2011-02-04 10:34:04'),
            pd.Timestamp('2011-02-04 11:34:04'),
            pd.Timestamp('2011-02-03 09:34:04'),
            pd.Timestamp('2011-02-04 10:34:04'),
            pd.Timestamp('2011-02-04 11:34:04'),
            pd.Timestamp('2011-02-04 11:34:04'),
            pd.Timestamp('2011-02-04 12:34:04'),
            pd.Timestamp('2011-02-04 11:34:04'),
            pd.Timestamp('2011-02-05 12:34:04'),
            pd.Timestamp('2011-02-04 11:34:04')
        ]

        expected['leaving_datetime'] = stamps

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected, check_dtype=False)

        output = detection.stops(self.trjdat,
                                 minutes_for_a_stop=60.0,
                                 leaving_time=False)

        expected = self.trjdat.drop(
            [0, 1, 3, 4, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19])

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected, check_dtype=False)
コード例 #2
0
    def test_compress(self):
        output = compression.compress(self.trjdat)

        expected = self.trjdat.copy()

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected)

        output = compression.compress(self.trjdat, spatial_radius_km=20)

        expected = TrajDataFrame(
            {
                "lat": {
                    "0": 43.8430139,
                    "1": 43.6264,
                    "2": 43.77925,
                    "3": 43.8430139,
                    "4": 43.54427,
                    "5": 43.6264,
                    "6": 43.8430139,
                    "7": 43.77925,
                    "8": 43.6264,
                    "9": 43.77925,
                    "10": 43.70853,
                    "11": 43.77925,
                    "12": 43.8430139,
                    "13": 43.8430139,
                    "14": 43.54427
                },
                "lng": {
                    "0": 10.507994,
                    "1": 10.364875,
                    "2": 11.24626,
                    "3": 10.507994,
                    "4": 10.32615,
                    "5": 10.364875,
                    "6": 10.507994,
                    "7": 11.24626,
                    "8": 10.364875,
                    "9": 11.24626,
                    "10": 10.4036,
                    "11": 11.24626,
                    "12": 10.507994,
                    "13": 10.507994,
                    "14": 10.32615
                },
                "datetime": {
                    "0": 1296722044,
                    "1": 1296725644,
                    "2": 1296815644,
                    "3": 1296722044,
                    "4": 1296819244,
                    "5": 1296722044,
                    "6": 1296815644,
                    "7": 1296819244,
                    "8": 1296815644,
                    "9": 1296822844,
                    "10": 1296815644,
                    "11": 1296819244,
                    "12": 1296909244,
                    "13": 1296815644,
                    "14": 1296819244
                },
                "uid": {
                    "0": 1,
                    "1": 1,
                    "2": 1,
                    "3": 2,
                    "4": 2,
                    "5": 3,
                    "6": 3,
                    "7": 3,
                    "8": 4,
                    "9": 4,
                    "10": 5,
                    "11": 5,
                    "12": 5,
                    "13": 6,
                    "14": 6
                }
            },
            timestamp=True)

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected, check_dtype=False)
コード例 #3
0
class TestFiltering:
    def setup_method(self):
        latitude = constants.LATITUDE
        longitude = constants.LONGITUDE
        date_time = constants.DATETIME
        user_id = constants.UID

        lat_lons = np.array(
            [[43.8430139, 10.5079940], [43.5442700, 10.3261500],
             [43.7085300, 10.4036000], [43.7792500, 11.2462600],
             [43.8430139, 10.5079940], [43.7085300, 10.4036000],
             [43.8430139, 10.5079940], [43.5442700, 10.3261500],
             [43.5442700, 10.3261500], [43.7085300, 10.4036000],
             [43.8430139, 10.5079940], [43.7792500, 11.2462600],
             [43.7085300, 10.4036000], [43.5442700, 10.3261500],
             [43.7792500, 11.2462600], [43.7085300, 10.4036000],
             [43.7792500, 11.2462600], [43.8430139, 10.5079940],
             [43.8430139, 10.5079940], [43.5442700, 10.3261500]])

        traj = pd.DataFrame(lat_lons, columns=[latitude, longitude])

        traj[date_time] = pd.to_datetime([
            '20110203 8:34:04', '20110203 9:34:04', '20110203 10:34:04',
            '20110204 10:34:04', '20110203 8:34:04', '20110203 9:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110203 8:34:04',
            '20110203 9:34:04', '20110204 10:34:04', '20110204 11:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110204 12:34:04',
            '20110204 10:34:04', '20110204 11:34:04', '20110205 12:34:04',
            '20110204 10:34:04', '20110204 11:34:04'
        ])

        traj[user_id] = [1 for _ in range(4)] + [2 for _ in range(4)] + \
                        [3 for _ in range(4)] + [4 for _ in range(3)] + \
                        [5 for _ in range(3)] + [6 for _ in range(2)]

        self.unique_points = [(43.544270, 10.326150), (43.708530, 10.403600),
                              (43.779250, 11.246260), (43.843014, 10.507994)]

        self.traj = traj.sort_values([user_id, date_time])
        self.trjdat = TrajDataFrame(traj, user_id=user_id)

    def test_filter(self):
        output = filtering.filter(self.trjdat, max_speed_kmh=10.)

        expected = self.trjdat.drop([1, 5, 9, 13, 16])

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected)

        output = filtering.filter(self.trjdat, max_speed_kmh=120.)
        expected = self.trjdat

        # assert
        pd.testing.assert_frame_equal(output, expected)

        output = filtering.filter(self.trjdat, max_speed_kmh=10., max_loop=1)

        expected = self.trjdat.drop([1, 5, 9, 13, 16])

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected)

        output = filtering.filter(self.trjdat,
                                  max_speed_kmh=10.,
                                  ratio_max=0.9)

        expected = self.trjdat.drop([1, 5, 9, 13, 16])

        output.reset_index(inplace=True)
        output.drop(columns=['index'], inplace=True)

        expected.reset_index(inplace=True)
        expected.drop(columns=['index'], inplace=True)

        # assert
        pd.testing.assert_frame_equal(output, expected)