add ball_coards 2.0

nba_tracking_data_15_16.py

@@ -88,11 +88,11 @@ class NbaTracking(datasets.GeneratorBasedBuilder):
                 "quarter": datasets.Value("int64"),
                 "game_clock": datasets.Value("float32"),
                 "shot_clock": datasets.Value("float32"),
-                "ball_coordinates": datasets.Sequence(
-                    datasets.Value("float32"),
-                    datasets.Value("float32"),
-                    datasets.Value("float32")
-                ),
+                "ball_coordinates": {
+                    "x": datasets.Value("float32"),
+                    "y": datasets.Value("float32"),
+                    "z": datasets.Value("float32")
+                },
                 # "player_coordinates": datasets.Sequence(
                 #     {
                 #         "teamid": datasets.Value("int64"),
@@ -160,7 +160,9 @@ class NbaTracking(datasets.GeneratorBasedBuilder):
                         quarter = moment[0]
                         game_clock = moment[2]
                         shot_clock = moment[3]
-                        ball_coords = moment[5][0][2:]
+                        ball_coords_x = moment[5][0][2]
+                        ball_coords_y = moment[5][0][3]
+                        ball_coords_z = moment[5][0][4]
                         for player in moment[5][1:]:
                             team_id = player[0]
                             player_id = player[1]
@@ -180,5 +182,9 @@ class NbaTracking(datasets.GeneratorBasedBuilder):
                                 "quarter": quarter,
                                 "game_clock": game_clock, 
                                 "shot_clock": shot_clock,
-                                "ball_coordinates": ball_coords
+                                "ball_coordinates": {
+                                    "x": ball_coords_x,
+                                    "y": ball_coords_y,
+                                    "z": ball_coords_z
                                 }
+                            }