content: import os
  import trimesh
  import numpy as np
  import argparse
  import json
  
  from partcrafter_src.utils.data_utils import normalize_mesh
  from partcrafter_src.utils.metric_utils import compute_IoU_for_scene
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser()
      parser.add_argument('--input', type=str, default='assets/objects/scissors.glb')
      parser.add_argument('--output', type=str, default='preprocessed_data')
      args = parser.parse_args()
  
      input_path = args.input
      output_path = args.output
  
      assert os.path.exists(input_path), f'{input_path} does not exist'
  
      mesh_name = os.path.basename(input_path).split('.')[0]
      output_path = os.path.join(output_path, mesh_name)
      if not os.path.exists(output_path):
          os.makedirs(output_path)
  
      config = {
          'iou_mean': 0.0,
          'iou_max': 0.0,
          'iou_list': [],
      }
      mesh = normalize_mesh(trimesh.load(input_path, process=False))
      try:
          iou_list = compute_IoU_for_scene(mesh, return_type='iou_list')
          config['iou_list'] = iou_list
          config['iou_mean'] = np.mean(iou_list)
          config['iou_max'] = np.max(iou_list)
      except:
          config['iou_list'] = []
          config['iou_mean'] = 0.0
          config['iou_max'] = 0.0
  
      json.dump(config, open(os.path.join(output_path, f'iou.json'), 'w'), indent=4)