mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-01-18 15:15:56 +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
142 lines
3.5 KiB
Fortran
142 lines
3.5 KiB
Fortran
!
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! This example shows how to create a dataset in a particular group.
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! It opens the file created in the previous example and creates two datasets.
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! Absolute and relative dataset names are used.
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!
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PROGRAM GRPDSETEXAMPLE
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USE HDF5 ! This module contains all necessary modules
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IMPLICIT NONE
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CHARACTER(LEN=10), PARAMETER :: filename = "groupsf.h5" ! File name
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CHARACTER(LEN=15), PARAMETER :: groupname = "MyGroup/Group_A" ! Group name
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CHARACTER(LEN=13), PARAMETER :: dsetname1 = "MyGroup/dset1" ! Dataset name
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CHARACTER(LEN=5), PARAMETER :: dsetname2 = "dset2" ! dataset name
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INTEGER(HID_T) :: file_id ! File identifier
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INTEGER(HID_T) :: group_id ! Group identifier
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INTEGER(HID_T) :: dataset_id ! Dataset identifier
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INTEGER(HID_T) :: dataspace_id ! Data space identifier
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INTEGER :: i, j
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INTEGER :: error ! Error flag
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INTEGER, DIMENSION(3,3) :: dset1_data ! Data arrays
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INTEGER, DIMENSION(2,10) :: dset2_data !
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INTEGER(HSIZE_T), DIMENSION(2) :: dims1 = (/3,3/) ! Datasets dimensions
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INTEGER(HSIZE_T), DIMENSION(2) :: dims2 = (/2,10/)!
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INTEGER, DIMENSION(7) :: data_dims
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INTEGER :: rank = 2 ! Datasets rank
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!
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!Initialize dset1_data array
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!
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do i = 1, 3
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do j = 1, 3
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dset1_data(i,j) = j;
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end do
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end do
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!
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!Initialize dset2_data array
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!
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do i = 1, 2
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do j = 1, 10
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dset2_data(i,j) = j;
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end do
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end do
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!
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! Initialize FORTRAN interface.
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!
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CALL h5open_f(error)
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!
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! Open an existing file.
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!
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CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error)
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!
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! Create the data space for the first dataset.
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!
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CALL h5screate_simple_f(rank, dims1, dataspace_id, error)
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!
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! Create a dataset in group "MyGroup" with default properties.
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!
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CALL h5dcreate_f(file_id, dsetname1, H5T_NATIVE_INTEGER, dataspace_id, &
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dataset_id, error)
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!
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! Write the first dataset.
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!
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data_dims(1) = 3
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data_dims(2) = 3
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CALL h5dwrite_f(dataset_id, H5T_NATIVE_INTEGER, dset1_data, data_dims, error)
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!
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! Close the dataspace for the first dataset.
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!
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CALL h5sclose_f(dataspace_id, error)
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!
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! Close the first dataset.
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!
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CALL h5dclose_f(dataset_id, error)
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!
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! Open an existing group in the specified file.
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!
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CALL h5gopen_f(file_id, groupname, group_id, error)
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!
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!Create the data space for the second dataset.
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!
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CALL h5screate_simple_f(rank, dims2, dataspace_id, error)
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!
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! Create the second dataset in group "Group_A" with default properties.
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!
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CALL h5dcreate_f(group_id, dsetname2, H5T_NATIVE_INTEGER, dataspace_id, &
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dataset_id, error)
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!
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! Write the second dataset.
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!
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data_dims(1) = 2
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data_dims(1) = 10
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CALL h5dwrite_f(dataset_id, H5T_NATIVE_INTEGER, dset2_data, data_dims, error)
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!
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! Close the dataspace for the second dataset.
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!
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CALL h5sclose_f(dataspace_id, error)
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!
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! Close the second dataset.
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!
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CALL h5dclose_f(dataset_id, error)
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!
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! Close the group.
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!
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CALL h5gclose_f(group_id, error)
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!
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! Close the file.
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!
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CALL h5fclose_f(file_id, error)
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!
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! Close FORTRAN interface.
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!
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CALL h5close_f(error)
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END PROGRAM GRPDSETEXAMPLE
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