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-!
-! This example shows how to create a dataset in a particular group.
-! It opens the file created in the previous example and creates two datasets.
-! Absolute and relative dataset names are used.
-!
-
-
- PROGRAM GRPDSETEXAMPLE
-
- USE HDF5 ! This module contains all necessary modules
-
- IMPLICIT NONE
-
- CHARACTER(LEN=10), PARAMETER :: filename = "groupsf.h5" ! File name
- CHARACTER(LEN=15), PARAMETER :: groupname = "MyGroup/Group_A" ! Group name
- CHARACTER(LEN=13), PARAMETER :: dsetname1 = "MyGroup/dset1" ! Dataset name
- CHARACTER(LEN=5), PARAMETER :: dsetname2 = "dset2" ! dataset name
-
- INTEGER(HID_T) :: file_id ! File identifier
- INTEGER(HID_T) :: group_id ! Group identifier
- INTEGER(HID_T) :: dataset_id ! Dataset identifier
- INTEGER(HID_T) :: dataspace_id ! Data space identifier
-
- INTEGER :: i, j
- INTEGER :: error ! Error flag
-
- INTEGER, DIMENSION(3,3) :: dset1_data ! Data arrays
- INTEGER, DIMENSION(2,10) :: dset2_data !
-
- INTEGER(HSIZE_T), DIMENSION(2) :: dims1 = (/3,3/) ! Datasets dimensions
- INTEGER(HSIZE_T), DIMENSION(2) :: dims2 = (/2,10/)!
-
- INTEGER :: rank = 2 ! Datasets rank
-
- !
- !Initialize dset1_data array
- !
- do i = 1, 3
- do j = 1, 3
- dset1_data(i,j) = j;
- end do
- end do
-
-
- !
- !Initialize dset2_data array
- !
- do i = 1, 2
- do j = 1, 10
- dset2_data(i,j) = j;
- end do
- end do
-
- !
- ! Initialize FORTRAN predefined datatypes.
- !
- CALL h5open_f(error)
-
- !
- ! Open an existing file.
- !
- CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error)
-
- !
- ! Create the data space for the first dataset.
- !
- CALL h5screate_simple_f(rank, dims1, dataspace_id, error)
-
- !
- ! Create a dataset in group "MyGroup" with default properties.
- !
- CALL h5dcreate_f(file_id, dsetname1, H5T_NATIVE_INTEGER, dataspace_id, &
- dataset_id, error)
-
- !
- ! Write the first dataset.
- !
- CALL h5dwrite_f(dataset_id, H5T_NATIVE_INTEGER, dset1_data, error)
-
- !
- ! Close the dataspace for the first dataset.
- !
- CALL h5sclose_f(dataspace_id, error)
-
- !
- ! Close the first dataset.
- !
- CALL h5dclose_f(dataset_id, error)
-
- !
- ! Open an existing group in the specified file.
- !
- CALL h5gopen_f(file_id, groupname, group_id, error)
-
- !
- !Create the data space for the second dataset.
- !
- CALL h5screate_simple_f(rank, dims2, dataspace_id, error)
-
- !
- ! Create the second dataset in group "Group_A" with default properties.
- !
- CALL h5dcreate_f(group_id, dsetname2, H5T_NATIVE_INTEGER, dataspace_id, &
- dataset_id, error)
-
- !
- ! Write the second dataset.
- !
- CALL h5dwrite_f(dataset_id, H5T_NATIVE_INTEGER, dset2_data, error)
-
- !
- ! Close the dataspace for the second dataset.
- !
- CALL h5sclose_f(dataspace_id, error)
-
- !
- ! Close the second dataset.
- !
- CALL h5dclose_f(dataset_id, error)
-
- !
- ! Close the group.
- !
- CALL h5gclose_f(group_id, error)
-
- !
- ! Close the file.
- !
- CALL h5fclose_f(file_id, error)
-
- !
- ! Close FORTRAN predefined datatypes.
- !
- CALL h5close_f(error)
-
- END PROGRAM GRPDSETEXAMPLE