@Test
void GpmSubImport(){

    String inFile = new File(getClass().getResource("/3B-HHR.MS.MRG.3IMERG.20170103-S110000-E112959.0660.V06B.HDF5.SUB.hdf5").getFile()).toString();
    String variableName = "precipitationCal";
    DataReader reader = DataReader.builder()
            .path(inFile)
            .variable(variableName)
            .build();
    List<VortexGrid> dtos = reader.getDtos().stream().map(grid -> (VortexGrid) grid).collect(Collectors.toList());
}