class TestTrajectoryCollection: def setup_method(self): df = pd.DataFrame([{ 'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 9, 'val2': 'a' }, { 'id': 1, 'obj': 'A', 'geometry': Point(6, 0), 't': datetime(2018, 1, 1, 12, 6, 0), 'val': 5, 'val2': 'b' }, { 'id': 1, 'obj': 'A', 'geometry': Point(6, 6), 't': datetime(2018, 1, 1, 14, 10, 0), 'val': 2, 'val2': 'c' }, { 'id': 1, 'obj': 'A', 'geometry': Point(9, 9), 't': datetime(2018, 1, 1, 14, 15, 0), 'val': 4, 'val2': 'd' }, { 'id': 2, 'obj': 'A', 'geometry': Point(10, 10), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 10, 'val2': 'e' }, { 'id': 2, 'obj': 'A', 'geometry': Point(16, 10), 't': datetime(2018, 1, 1, 12, 6, 0), 'val': 6, 'val2': 'f' }, { 'id': 2, 'obj': 'A', 'geometry': Point(16, 16), 't': datetime(2018, 1, 2, 13, 10, 0), 'val': 7, 'val2': 'g' }, { 'id': 2, 'obj': 'A', 'geometry': Point(190, 19), 't': datetime(2018, 1, 2, 13, 15, 0), 'val': 3, 'val2': 'h' }]).set_index('t') self.geo_df = GeoDataFrame(df, crs=CRS_METRIC) self.collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj') self.geo_df_latlon = GeoDataFrame(df, crs=CRS_LATLON) self.collection_latlon = TrajectoryCollection(self.geo_df_latlon, 'id', obj_id_col='obj') def test_number_of_trajectories(self): assert len(self.collection) == 2 def test_number_of_trajectories_min_length(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=100) assert len(collection) == 1 def test_number_of_trajectories_min_length_never_reached(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=1000) assert len(collection) == 0 def test_get_trajectory(self): assert self.collection.get_trajectory(1).id == 1 assert self.collection.get_trajectory(1).obj_id == 'A' assert self.collection.get_trajectory(2).id == 2 assert self.collection.get_trajectory(3) is None def test_get_locations_at(self): locs = self.collection.get_locations_at(datetime(2018, 1, 1, 12, 6, 0)) assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(6, 0), Point(16, 10)] assert locs.iloc[0].val in [5, 6] assert locs.iloc[1].geometry in [Point(6, 0), Point(16, 10)] assert locs.iloc[0].geometry != locs.iloc[1].geometry def test_get_locations_at_needing_interpolation(self): locs = self.collection.get_locations_at(datetime(2018, 1, 1, 12, 6, 1)) assert len(locs) == 2 assert locs.iloc[0].val in [5, 6] def test_get_locations_at_out_of_time_range(self): locs = self.collection.get_locations_at(datetime(2017, 1, 1, 12, 6, 1)) assert len(locs) == 0 def test_get_start_locations(self): locs = self.collection.get_start_locations() assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].id in [1, 2] assert locs.iloc[0].obj == 'A' assert locs.iloc[0].val in [9, 10] assert locs.iloc[0].val2 in ['a', 'e'] assert locs.iloc[1].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].geometry != locs.iloc[1].geometry def test_get_end_locations(self): locs = self.collection.get_end_locations() assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(9, 9), Point(190, 19)] assert locs.iloc[0].id in [1, 2] assert locs.iloc[0].obj == 'A' assert locs.iloc[0].val in [4, 3] assert locs.iloc[0].val2 in ['d', 'h'] assert locs.iloc[1].geometry in [Point(9, 9), Point(190, 19)] assert locs.iloc[0].geometry != locs.iloc[1].geometry def test_get_intersecting(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.get_intersecting(polygon) assert len(collection) == 1 assert collection.trajectories[0] == self.collection.trajectories[0] def test_clip(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.clip(polygon) assert len(collection) == 1 assert collection.trajectories[0].to_linestring( ).wkt == 'LINESTRING (0 0, 1 0)' def test_filter(self): assert len(self.collection.filter('obj', 'A')) == 2 assert len(self.collection.filter('obj', ['A'])) == 2 assert len(self.collection.filter('obj', ['B'])) == 0 assert len(self.collection.filter('obj', [1])) == 0 def test_get_min_and_max(self): assert self.collection.get_min('val') == 2 assert self.collection.get_max('val') == 10 def test_plot_exists(self): from matplotlib.axes import Axes result = self.collection.plot() assert isinstance(result, Axes) def test_hvplot_exists(self): import holoviews result = self.collection_latlon.hvplot() assert isinstance(result, holoviews.core.overlay.Overlay) def test_plot_exist_column(self): from matplotlib.axes import Axes result = self.collection.plot(column='val') assert isinstance(result, Axes) def test_plot_speed_not_altering_collection(self): self.collection.plot(column='speed') assert (all([ 'speed' not in traj.df.columns.values for traj in self.collection.trajectories ])) def test_traj_with_less_than_two_points(self): df = pd.DataFrame([{ 'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 9, 'val2': 'a' }]).set_index('t') geo_df = GeoDataFrame(df, crs=CRS_METRIC) tc = TrajectoryCollection(geo_df, 'id', obj_id_col='obj') assert len(tc) == 0 def test_traj_with_two_points_at_the_same_time(self): df = pd.DataFrame([ { 'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 9, 'val2': 'a' }, { 'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 9, 'val2': 'a' }, ]).set_index('t') geo_df = GeoDataFrame(df, crs=CRS_METRIC) tc = TrajectoryCollection(geo_df, 'id', obj_id_col='obj') assert len(tc) == 0 def test_iteration(self): assert sum([1 for _ in self.collection]) == len(self.collection) def test_iteration_error(self): def filter_trajectory(trajectory): trajectory.df = trajectory.df[trajectory.df['val'] >= 7] return trajectory trajs = [filter_trajectory(traj) for traj in self.collection] lengths = (1, 2) for i, traj in enumerate(trajs): assert len(traj.df) == lengths[i] collection = copy(self.collection) collection.trajectories = trajs with pytest.raises(ValueError): for _ in collection: pass
class TestTrajectoryCollection: def setup_method(self): df = pd.DataFrame([{ 'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 9, 'val2': 'a' }, { 'id': 1, 'obj': 'A', 'geometry': Point(6, 0), 't': datetime(2018, 1, 1, 12, 6, 0), 'val': 5, 'val2': 'b' }, { 'id': 1, 'obj': 'A', 'geometry': Point(6, 6), 't': datetime(2018, 1, 1, 14, 10, 0), 'val': 2, 'val2': 'c' }, { 'id': 1, 'obj': 'A', 'geometry': Point(9, 9), 't': datetime(2018, 1, 1, 14, 15, 0), 'val': 4, 'val2': 'd' }, { 'id': 2, 'obj': 'A', 'geometry': Point(10, 10), 't': datetime(2018, 1, 1, 12, 0, 0), 'val': 10, 'val2': 'e' }, { 'id': 2, 'obj': 'A', 'geometry': Point(16, 10), 't': datetime(2018, 1, 1, 12, 6, 0), 'val': 6, 'val2': 'f' }, { 'id': 2, 'obj': 'A', 'geometry': Point(16, 16), 't': datetime(2018, 1, 2, 13, 10, 0), 'val': 7, 'val2': 'g' }, { 'id': 2, 'obj': 'A', 'geometry': Point(190, 19), 't': datetime(2018, 1, 2, 13, 15, 0), 'val': 3, 'val2': 'h' }]).set_index('t') self.geo_df = GeoDataFrame(df, crs=CRS_METRIC) self.collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj') self.geo_df_latlon = GeoDataFrame(df, crs=CRS_LATLON) self.collection_latlon = TrajectoryCollection(self.geo_df_latlon, 'id', obj_id_col='obj') def test_number_of_trajectories(self): assert len(self.collection) == 2 def test_number_of_trajectories_min_length(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=100) assert len(collection) == 1 def test_number_of_trajectories_min_length_never_reached(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=1000) assert len(collection) == 0 def test_get_trajectory(self): assert self.collection.get_trajectory(1).id == 1 assert self.collection.get_trajectory(1).obj_id == 'A' assert self.collection.get_trajectory(2).id == 2 assert self.collection.get_trajectory(3) is None def test_get_start_locations(self): locs = self.collection.get_start_locations(columns=['val', 'val2']) assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].traj_id in [1, 2] assert locs.iloc[0].obj_id == 'A' assert locs.iloc[0].val in [9, 10] assert locs.iloc[0].val2 in ['a', 'e'] assert locs.iloc[1].geometry in [Point(0, 0), Point(10, 10)] def test_get_end_locations(self): locs = self.collection.get_end_locations(columns=['val', 'val2']) assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(9, 9), Point(190, 19)] assert locs.iloc[0].traj_id in [1, 2] assert locs.iloc[0].obj_id == 'A' assert locs.iloc[0].val in [4, 3] assert locs.iloc[0].val2 in ['d', 'h'] assert locs.iloc[1].geometry in [Point(9, 9), Point(190, 19)] def test_generalize(self): collection = self.collection.generalize( mode='min-time-delta', tolerance=timedelta(minutes=10)) assert len(collection) == 2 assert collection.trajectories[0].to_linestring( ).wkt == 'LINESTRING (0 0, 6 6, 9 9)' assert collection.trajectories[1].to_linestring( ).wkt == 'LINESTRING (10 10, 16 16, 190 19)' def test_split_by_date(self): collection = self.collection.split_by_date(mode='day') assert len(collection) == 3 def test_split_by_observation_gap(self): collection = self.collection.split_by_observation_gap( timedelta(hours=1)) assert len(collection) == 4 def test_get_intersecting(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.get_intersecting(polygon) assert len(collection) == 1 assert collection.trajectories[0] == self.collection.trajectories[0] def test_clip(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.clip(polygon) assert len(collection) == 1 assert collection.trajectories[0].to_linestring( ).wkt == 'LINESTRING (0 0, 1 0)' def test_filter(self): assert len(self.collection.filter('obj', 'A')) == 2 assert len(self.collection.filter('obj', 'B')) == 0 def test_get_min_and_max(self): assert self.collection.get_min('val') == 2 assert self.collection.get_max('val') == 10 def test_plot_exists(self): from matplotlib.axes import Axes result = self.collection.plot() assert isinstance(result, Axes) def test_hvplot_exists(self): import holoviews result = self.collection_latlon.hvplot() assert isinstance(result, holoviews.core.overlay.Overlay)
def test_get_trajectory(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj') assert collection.get_trajectory(1).id == 1 assert collection.get_trajectory(1).obj_id == 'A' assert collection.get_trajectory(2).id == 2 assert collection.get_trajectory(3) is None
class TestTrajectoryCollection: def setup_method(self): df = pd.DataFrame( [ [1, "A", Point(0, 0), datetime(2018, 1, 1, 12, 0, 0), 9, "a"], [1, "A", Point(6, 0), datetime(2018, 1, 1, 12, 6, 0), 5, "b"], [1, "A", Point(6, 6), datetime(2018, 1, 1, 14, 10, 0), 2, "c"], [1, "A", Point(9, 9), datetime(2018, 1, 1, 14, 15, 0), 4, "d"], [ 2, "A", Point(10, 10), datetime(2018, 1, 1, 12, 0, 0), 10, "e" ], [ 2, "A", Point(16, 10), datetime(2018, 1, 1, 12, 6, 0), 6, "f" ], [ 2, "A", Point(16, 16), datetime(2018, 1, 2, 13, 10, 0), 7, "g" ], [ 2, "A", Point(190, 10), datetime(2018, 1, 2, 13, 15, 0), 3, "h" ], ], columns=["id", "obj", "geometry", "t", "val", "val2"], ).set_index("t") self.geo_df = GeoDataFrame(df, crs=CRS_METRIC) self.collection = TrajectoryCollection(self.geo_df, "id", obj_id_col="obj") self.geo_df_latlon = GeoDataFrame(df, crs=CRS_LATLON) self.collection_latlon = TrajectoryCollection(self.geo_df_latlon, "id", obj_id_col="obj") def test_number_of_trajectories(self): assert len(self.collection) == 2 def test_number_of_trajectories_min_length(self): collection = TrajectoryCollection(self.geo_df, "id", obj_id_col="obj", min_length=100) assert len(collection) == 1 def test_number_of_trajectories_min_length_never_reached(self): collection = TrajectoryCollection(self.geo_df, "id", obj_id_col="obj", min_length=1000) assert len(collection) == 0 def test_number_of_trajectories_min_duration(self): collection = TrajectoryCollection(self.geo_df, "id", obj_id_col="obj", min_duration=timedelta(days=1)) assert len(collection) == 1 def test_number_of_trajectories_min_duration_from_list(self): collection = TrajectoryCollection(self.collection.trajectories, min_duration=timedelta(days=1)) assert len(collection) == 1 def test_number_of_trajectories_min_duration_never_reached(self): collection = TrajectoryCollection(self.geo_df, "id", obj_id_col="obj", min_duration=timedelta(weeks=1)) assert len(collection) == 0 def test_get_trajectory(self): assert self.collection.get_trajectory(1).id == 1 assert self.collection.get_trajectory(1).obj_id == "A" assert self.collection.get_trajectory(2).id == 2 assert self.collection.get_trajectory(3) is None def test_get_locations_at(self): locs = self.collection.get_locations_at(datetime(2018, 1, 1, 12, 6, 0)) assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(6, 0), Point(16, 10)] assert locs.iloc[0].val in [5, 6] assert locs.iloc[1].geometry in [Point(6, 0), Point(16, 10)] assert locs.iloc[0].geometry != locs.iloc[1].geometry def test_get_locations_at_needing_interpolation(self): locs = self.collection.get_locations_at(datetime(2018, 1, 1, 12, 6, 1)) assert len(locs) == 2 assert locs.iloc[0].val in [5, 6] def test_get_locations_at_out_of_time_range(self): locs = self.collection.get_locations_at(datetime(2017, 1, 1, 12, 6, 1)) assert len(locs) == 0 def test_get_start_locations(self): locs = self.collection.get_start_locations() assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].id in [1, 2] assert locs.iloc[0].obj == "A" assert locs.iloc[0].val in [9, 10] assert locs.iloc[0].val2 in ["a", "e"] assert locs.iloc[1].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].geometry != locs.iloc[1].geometry assert isinstance(locs, GeoDataFrame) def test_get_end_locations(self): locs = self.collection.get_end_locations() assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(9, 9), Point(190, 10)] assert locs.iloc[0].id in [1, 2] assert locs.iloc[0].obj == "A" assert locs.iloc[0].val in [4, 3] assert locs.iloc[0].val2 in ["d", "h"] assert locs.iloc[1].geometry in [Point(9, 9), Point(190, 10)] assert locs.iloc[0].geometry != locs.iloc[1].geometry assert isinstance(locs, GeoDataFrame) def test_get_intersecting(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.get_intersecting(polygon) assert len(collection) == 1 assert collection.trajectories[0] == self.collection.trajectories[0] def test_clip(self): polygon = Polygon([(-1, -1), (-1, 1), (1, 1), (1, -1), (-1, -1)]) collection = self.collection.clip(polygon) assert len(collection) == 1 assert collection.trajectories[0].to_linestring( ).wkt == "LINESTRING (0 0, 1 0)" def test_filter(self): assert len(self.collection.filter("obj", "A")) == 2 assert len(self.collection.filter("obj", ["A"])) == 2 assert len(self.collection.filter("obj", ["B"])) == 0 assert len(self.collection.filter("obj", [1])) == 0 def test_get_min_and_max(self): assert self.collection.get_min("val") == 2 assert self.collection.get_max("val") == 10 def test_plot_exists(self): from matplotlib.axes import Axes result = self.collection.plot() assert isinstance(result, Axes) def test_hvplot_exists(self): import holoviews result = self.collection_latlon.hvplot() assert isinstance(result, holoviews.core.overlay.Overlay) def test_plot_exist_column(self): from matplotlib.axes import Axes result = self.collection.plot(column="val") assert isinstance(result, Axes) def test_plot_speed_not_altering_collection(self): self.collection.plot(column="speed") assert all([ "speed" not in traj.df.columns.values for traj in self.collection.trajectories ]) def test_traj_with_less_than_two_points(self): df = pd.DataFrame( [[1, "A", Point(0, 0), datetime(2018, 1, 1, 12, 0, 0), 9, "a"]], columns=["id", "obj", "geometry", "t", "val", "val2"], ).set_index("t") geo_df = GeoDataFrame(df, crs=CRS_METRIC) tc = TrajectoryCollection(geo_df, "id", obj_id_col="obj") assert len(tc) == 0 def test_traj_with_two_points_at_the_same_time(self): df = pd.DataFrame( [ [1, "A", Point(0, 0), datetime(2018, 1, 1, 12, 0, 0), 9, "a"], [1, "A", Point(0, 0), datetime(2018, 1, 1, 12, 0, 0), 9, "a"], ], columns=["id", "obj", "geometry", "t", "val", "val2"], ).set_index("t") geo_df = GeoDataFrame(df, crs=CRS_METRIC) tc = TrajectoryCollection(geo_df, "id", obj_id_col="obj") assert len(tc) == 0 def test_iteration(self): assert sum([1 for _ in self.collection]) == len(self.collection) def test_iteration_error(self): def filter_trajectory(trajectory): trajectory.df = trajectory.df[trajectory.df["val"] >= 7] return trajectory trajs = [filter_trajectory(traj) for traj in self.collection] lengths = (1, 2) for i, traj in enumerate(trajs): assert len(traj.df) == lengths[i] collection = copy(self.collection) collection.trajectories = trajs with pytest.raises(ValueError): for _ in collection: pass def test_add_traj_id(self): self.collection.add_traj_id() result1 = self.collection.trajectories[0].df[TRAJ_ID_COL_NAME].tolist() assert result1 == [1, 1, 1, 1] result2 = self.collection.trajectories[1].df[TRAJ_ID_COL_NAME].tolist() assert result2 == [2, 2, 2, 2] def test_add_traj_id_overwrite_raises_error(self): gdf = self.geo_df.copy() gdf[TRAJ_ID_COL_NAME] = "a" collection = TrajectoryCollection(gdf, "id", obj_id_col="obj") with pytest.raises(RuntimeError): collection.add_traj_id() def test_to_point_gdf(self): point_gdf = self.collection.to_point_gdf() point_gdf.to_file("temp.gpkg", layer="points", driver="GPKG") assert_frame_equal(point_gdf, self.geo_df) def test_to_line_gdf(self): temp_df = self.geo_df.drop(columns=["obj", "val", "val2"]) tc = TrajectoryCollection(temp_df, "id") line_gdf = tc.to_line_gdf() line_gdf.to_file("temp.gpkg", layer="lines", driver="GPKG") t1 = [ datetime(2018, 1, 1, 12, 0), datetime(2018, 1, 1, 12, 6), datetime(2018, 1, 1, 14, 10), datetime(2018, 1, 1, 14, 15), ] t2 = [ datetime(2018, 1, 1, 12, 0, 0), datetime(2018, 1, 1, 12, 6, 0), datetime(2018, 1, 2, 13, 10, 0), datetime(2018, 1, 2, 13, 15, 0), ] df2 = pd.DataFrame( [ [1, t1[1], t1[0], LineString([(0, 0), (6, 0)])], [1, t1[2], t1[1], LineString([(6, 0), (6, 6)])], [1, t1[3], t1[2], LineString([(6, 6), (9, 9)])], [2, t2[1], t2[0], LineString([(10, 10), (16, 10)])], [2, t2[2], t2[1], LineString([(16, 10), (16, 16)])], [2, t2[3], t2[2], LineString([(16, 16), (190, 10)])], ], columns=["id", "t", "prev_t", "geometry"], ) expected_line_gdf = GeoDataFrame(df2, crs=CRS_METRIC) assert_frame_equal(line_gdf, expected_line_gdf) def test_to_traj_gdf(self): temp_df = self.geo_df.drop(columns=["obj", "val", "val2"]) tc = TrajectoryCollection(temp_df, "id") traj_gdf = tc.to_traj_gdf() traj_gdf.to_file("temp.gpkg", layer="trajs", driver="GPKG") rows = [ { "traj_id": 1, "start_t": datetime(2018, 1, 1, 12, 0, 0), "end_t": datetime(2018, 1, 1, 14, 15, 0), "geometry": LineString([(0, 0), (6, 0), (6, 6), (9, 9)]), "length": 12 + sqrt(18), "direction": 45.0, }, { "traj_id": 2, "start_t": datetime(2018, 1, 1, 12, 0, 0), "end_t": datetime(2018, 1, 2, 13, 15, 0), "geometry": LineString([(10, 10), (16, 10), (16, 16), (190, 10)]), "length": 12 + sqrt(174 * 174 + 36), "direction": 90.0, }, ] df2 = pd.DataFrame(rows) expected_line_gdf = GeoDataFrame(df2, crs=CRS_METRIC) assert_frame_equal(traj_gdf, expected_line_gdf)
class TestTrajectoryCollection: def setup_method(self): df = pd.DataFrame([ {'id': 1, 'obj': 'A', 'geometry': Point(0, 0), 't': datetime(2018,1,1,12,0,0), 'val': 9}, {'id': 1, 'obj': 'A', 'geometry': Point(6, 0), 't': datetime(2018,1,1,12,6,0), 'val': 5}, {'id': 1, 'obj': 'A', 'geometry': Point(6, 6), 't': datetime(2018,1,1,12,10,0), 'val': 2}, {'id': 1, 'obj': 'A', 'geometry': Point(9, 9), 't': datetime(2018,1,1,12,15,0), 'val': 4}, {'id': 2, 'obj': 'A', 'geometry': Point(10, 10), 't': datetime(2018,1,1,12,0,0), 'val': 10}, {'id': 2, 'obj': 'A', 'geometry': Point(16, 10), 't': datetime(2018,1,1,12,6,0), 'val': 6}, {'id': 2, 'obj': 'A', 'geometry': Point(16, 16), 't': datetime(2018,1,2,12,10,0), 'val': 7}, {'id': 2, 'obj': 'A', 'geometry': Point(190, 19), 't': datetime(2018,1,2,12,15,0), 'val': 3} ]).set_index('t') self.geo_df = GeoDataFrame(df, crs=CRS_METRIC) self.collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj') self.geo_df_latlon = GeoDataFrame(df, crs=CRS_LATLON) self.collection_latlon = TrajectoryCollection(self.geo_df_latlon, 'id', obj_id_col='obj') def test_number_of_trajectories(self): assert len(self.collection) == 2 def test_number_of_trajectories_min_length(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=100) assert len(collection) == 1 def test_number_of_trajectories_min_length_never_reached(self): collection = TrajectoryCollection(self.geo_df, 'id', obj_id_col='obj', min_length=1000) assert len(collection) == 0 def test_split_by_date(self): collection = self.collection.split_by_date(mode='day') assert len(collection) == 3 def test_get_trajectory(self): assert self.collection.get_trajectory(1).id == 1 assert self.collection.get_trajectory(1).obj_id == 'A' assert self.collection.get_trajectory(2).id == 2 assert self.collection.get_trajectory(3) is None def test_filter(self): assert len(self.collection.filter('obj', 'A')) == 2 assert len(self.collection.filter('obj', 'B')) == 0 def test_get_min_and_max(self): assert self.collection.get_min('val') == 2 assert self.collection.get_max('val') == 10 def test_get_start_locations(self): locs = self.collection.get_start_locations(columns=['val']) assert len(locs) == 2 assert locs.iloc[0].geometry in [Point(0, 0), Point(10, 10)] assert locs.iloc[0].traj_id in [1, 2] assert locs.iloc[0].obj_id == 'A' assert locs.iloc[0].val in [9, 10] assert locs.iloc[1].geometry in [Point(0, 0), Point(10, 10)] def test_plot_exists(self): from matplotlib.axes import Axes result = self.collection.plot() assert isinstance(result, Axes) def test_hvplot_exists(self): import holoviews result = self.collection_latlon.hvplot() assert isinstance(result, holoviews.core.overlay.Overlay)