! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ! Copyright by The HDF Group. * ! All rights reserved. * ! * ! This file is part of HDF5. The full HDF5 copyright notice, including * ! terms governing use, modification, and redistribution, is contained in * ! the COPYING file, which can be found at the root of the source code * ! distribution tree, or in https://www.hdfgroup.org/licenses. * ! If you do not have access to either file, you may request a copy from * ! help@hdfgroup.org. * ! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ! ! ! The following example shows how to write and read to/from an existing dataset. ! It opens the file created in the previous example, obtains the dataset ! identifier, writes the data to the dataset in the file, ! then reads the dataset to memory. ! ! This example is used in the HDF5 Tutorial. PROGRAM H5_RDWT USE HDF5 ! This module contains all necessary modules IMPLICIT NONE CHARACTER(LEN=8), PARAMETER :: filename = "dsetf.h5" ! File name CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name INTEGER(HID_T) :: file_id ! File identifier INTEGER(HID_T) :: dset_id ! Dataset identifier INTEGER :: error ! Error flag INTEGER :: i, j INTEGER, DIMENSION(4,6) :: dset_data, data_out ! Data buffers INTEGER(HSIZE_T), DIMENSION(2) :: data_dims ! ! Initialize the dset_data array. ! DO i = 1, 4 DO j = 1, 6 dset_data(i,j) = (i-1)*6 + j END DO END DO ! ! Initialize FORTRAN interface. ! CALL h5open_f(error) ! ! Open an existing file. ! CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error) ! ! Open an existing dataset. ! CALL h5dopen_f(file_id, dsetname, dset_id, error) ! ! Write the dataset. ! data_dims(1) = 4 data_dims(2) = 6 CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, error) ! ! Read the dataset. ! CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error) ! ! Close the dataset. ! CALL h5dclose_f(dset_id, error) ! ! Close the file. ! CALL h5fclose_f(file_id, error) ! ! Close FORTRAN interface. ! CALL h5close_f(error) END PROGRAM H5_RDWT