from pylab import *; from pydao.io import Lox_Stack,ImgArray; from pydao.ohdf import OGroup; import os; dirname = r"D:\2014_12_CLSPEEM\141212"; files = os.listdir(dirname); for file in files: if file.endswith('.tif'): tif_filename = os.path.join(dirname,file); img = ImgArray(tif_filename); img.read(dtype=0); img.savebmp(renormalize='minmax');