""" Inspect actual camera data structure to find wrist camera. """ import sys from pathlib import Path sys.path.append(str(Path(__file__).parent.parent)) import json import numpy as np calib_dir = Path('/root/workspace/code/wmrl/Dual-Dynamics-Models/DROID-main/vision/u/wenlongh/datasets/droid_v4/cameras') # Load first calibration file calib_files = sorted(calib_dir.glob("*_cameras.json")) calib_file = calib_files[0] print("=" * 80) print(f"File: {calib_file.name}") print("=" * 80) with open(calib_file, 'r') as f: calib = json.load(f) serials = [k for k in calib.keys() if k not in ['uuid', 'scene_path', 'optimization_summary', 'error_info']] print(f"\nFound {len(serials)} cameras: {serials}") for serial in serials: cam_data = calib[serial] print(f"\n{'='*80}") print(f"Camera: {serial}") print(f"{'='*80}") print(f"Keys: {list(cam_data.keys())}") for key, value in cam_data.items(): if isinstance(value, (list, np.ndarray)): value_array = np.array(value) print(f" {key}: shape={value_array.shape}, dtype={value_array.dtype}") if value_array.size <= 20: # Print small arrays print(f" {value_array}") elif isinstance(value, dict): print(f" {key}: dict with keys {list(value.keys())}") else: print(f" {key}: {value}") print("\n" + "=" * 80) print("Checking how CameraCalibrationLoader identifies wrist camera:") print("=" * 80) from utils.load_camera_calibration import CameraCalibrationLoader calib_loader = CameraCalibrationLoader(str(calib_dir)) # Get UUID uuid = calib['uuid'] print(f"UUID: {uuid}") # Try to get dual view params try: dual_params = calib_loader.get_dual_view_params(uuid, param_type='refined', require_refined=False) if dual_params: print(f"\nDual view params found!") print(f" exterior_1: K shape={dual_params['exterior_1'][0].shape}, E shape={dual_params['exterior_1'][1].shape}") print(f" wrist: K shape={dual_params['wrist'][0].shape}, E shape={dual_params['wrist'][1].shape}") K_wrist = dual_params['wrist'][0] E_wrist = dual_params['wrist'][1] print(f"\nWrist K:\n{K_wrist}") print(f"\nWrist E:\n{E_wrist}") except Exception as e: print(f"Error: {e}")