minor

app.py

@@ -28,7 +28,7 @@ def check_ram_usage(threshold_percent=90):
 def main() -> None:
     # Load data once at startup using the function from vis_st4rtrack.py
     global global_data_cache
-    global_data_cache = load_trajectory_data(use_float16=True, max_frames=100, traj_path="train", mask_folder="train")
+    global_data_cache = load_trajectory_data(use_float16=True, max_frames=100, traj_path="480p_train", mask_folder="train")
     
     app = fastapi.FastAPI()
     viser_manager = ViserProxyManager(app)
@@ -75,7 +75,8 @@ def main() -> None:
                     "color_code": "jet",
                     "blue_rgb": (0.0, 0.149, 0.463),  # #002676
                     "red_rgb": (0.769, 0.510, 0.055),   # #FDB515
-                    "blend_ratio": 0.7
+                    "blend_ratio": 0.7,
+                    "camera_position": (1e-3, 2., -0.25),
                 },
                 daemon=True
             ).start()