iolib.py 文件源码

def replace_ndv(b, new_ndv):
    b_ndv = get_ndv_b(b)    
    bma = np.ma.masked_values(b.ReadAsArray(), b_ndv)
    bma.set_fill_value(new_ndv)
    b.WriteArray(bma.filled())
    b.SetNoDataValue(new_ndv)
    return b