def room2blocks_plus(data_label, num_point, block_size, stride,
                     random_sample, sample_num, sample_aug):
    """ room2block with input filename and RGB preprocessing.
    """
    data = data_label[:,0:6]
    data[:,3:6] /= 255.0
    label = data_label[:,-1].astype(np.uint8)
    
    return room2blocks(data, label, num_point, block_size, stride,
                       random_sample, sample_num, sample_aug)
 room2block with input filename and RGB preprocessing.
    
data_utils/indoor3d_util.py