mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-03 02:32:04 +08:00
fef182fd96
Purpose: Codemaintenance Description: read/write APIs have been changed. Solution: Made necessary changes to the source code. Platforms tested: Linux, Solaris 2.7, O2K, T3E
82 lines
1.8 KiB
Fortran
82 lines
1.8 KiB
Fortran
!
|
|
! 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.
|
|
!
|
|
|
|
|
|
PROGRAM RWDSETEXAMPLE
|
|
|
|
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, DIMENSION(7) :: 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 RWDSETEXAMPLE
|
|
|
|
|
|
|