Opened "tvldtypes1.h5" with sec2 driver.
Dataset1.0               Dataset {4/4}
    Location:  1:976
    Links:     1
    Storage:   information not available
    Type:      variable length of
                   native int
Dataset2.0               Dataset {4/4}
    Location:  1:1576
    Links:     1
    Storage:   information not available
    Type:      variable length of
                   native float
Dataset3.0               Dataset {SCALAR}
    Location:  1:6272
    Links:     1
    Storage:   information not available
    Type:      variable length of
                   native int
