summaryrefslogtreecommitdiffstats
path: root/fortran/examples/dsetexample.f90
blob: 2d8b96fab7e09625aa447e9d6507e8f255b1fd1f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
!
! The following example shows how to create an empty dataset. 
! It creates a file called 'dsetf.h5', defines the
! dataset dataspace, creates a dataset which is a 4x6 integer array,
! and then closes the dataspace, the dataset, and the file.
!

     PROGRAM DSETEXAMPLE

     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(HID_T) :: dspace_id     ! Dataspace identifier


     INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/4,6/) ! Dataset dimensions
     INTEGER     ::   rank = 2                        ! Dataset rank

     INTEGER     ::   error ! Error flag

     !
     ! Initialize FORTRAN interface.
     !
     CALL h5init_fortran_f(error)

     !
     ! Create a new file using default properties.
     ! 
     CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)

     ! 
     ! Create the dataspace.
     !
     CALL h5screate_simple_f(rank, dims, dspace_id, error)

     !
     ! Create the dataset with default properties.
     !
     CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dspace_id, &
                      dset_id, error)

     !   
     ! End access to the dataset and release resources used by it.
     ! 
     CALL h5dclose_f(dset_id, error)

     !
     ! Terminate access to the data space.
     !
     CALL h5sclose_f(dspace_id, error)

     ! 
     ! Close the file.
     !
     CALL h5fclose_f(file_id, error)

     !
     ! Close FORTRAN interface.
     !
     CALL h5close_fortran_f(error)

     END PROGRAM DSETEXAMPLE