def cvt_bin_txt(model_folder):
converter = SceneManager( model_folder )
converter.load_cameras()
converter.load_images()
converter.load_points3D()
converter.save_cameras(output_folder=model_folder, output_file=None, binary=False)
converter.save_images(output_folder=model_folder, output_file=None, binary=False)
converter.save_points3D(output_folder=model_folder, output_file=None, binary=False)
