! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ! * Copyright by The HDF Group. * ! * Copyright by the Board of Trustees of the University of Illinois. * ! * 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://support.hdfgroup.org/ftp/HDF5/releases. * ! If you do not have access to either file, you may request a copy from * ! help@hdfgroup.org. * ! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * PROGRAM example_ds USE HDF5 USE H5LT USE H5DS IMPLICIT NONE INTEGER, PARAMETER :: RANK = 2 ! rank of DATA dataset INTEGER, PARAMETER :: DIM_DATA = 12 INTEGER, PARAMETER :: DIM1_SIZE = 3 INTEGER, PARAMETER :: DIM2_SIZE = 4 INTEGER, PARAMETER :: DIM1 = 1 INTEGER, PARAMETER :: DIM2 = 2 CHARACTER(LEN=6), PARAMETER :: DSET_NAME = "MYDATA" CHARACTER(LEN=5), PARAMETER :: DS_1_NAME = "Xaxis" CHARACTER(LEN=5), PARAMETER :: DS_2_NAME = "Yaxis" INTEGER(hid_t) :: fid ! file ID INTEGER(hid_t) :: did ! dataset ID INTEGER(hid_t) :: dsid ! DS dataset ID INTEGER :: rankds = 1 ! rank of DS dataset INTEGER(hsize_t), DIMENSION(1:rank) :: dims = (/DIM2_SIZE,DIM1_SIZE/) ! size of data dataset INTEGER, DIMENSION(1:DIM_DATA) :: buf = (/1,2,3,4,5,6,7,8,9,10,11,12/) ! data of data dataset INTEGER(hsize_t), DIMENSION(1:1) :: s1_dim = (/DIM1_SIZE/) ! size of DS 1 dataset INTEGER(hsize_t), DIMENSION(1:1) :: s2_dim = (/DIM2_SIZE/) ! size of DS 2 dataset REAL, DIMENSION(1:DIM1_SIZE) :: s1_wbuf = (/10,20,30/) ! data of DS 1 dataset REAL, DIMENSION(1:DIM2_SIZE) :: s2_wbuf = (/10,20,50,100/) ! data of DS 2 dataset INTEGER :: err INTEGER :: num_scales INTEGER(size_t) :: name_len CHARACTER(LEN=80) :: name INTEGER(size_t) :: label_len CHARACTER(LEN=80) :: label LOGICAL :: is_attached, is_scale ! ! Initialize FORTRAN predefined datatypes. ! CALL h5open_f(err) ! create a file using default properties CALL H5Fcreate_f("ex_ds1.h5",H5F_ACC_TRUNC_F, fid, err) ! make a dataset CALL H5LTmake_dataset_int_f(fid, DSET_NAME, rank,dims,buf, err) ! make a DS dataset for the first dimension CALL H5LTmake_dataset_float_f(fid,DS_1_NAME,rankds,s1_dim,s1_wbuf,err) ! make a DS dataset for the second dimension CALL H5LTmake_dataset_float_f(fid,DS_2_NAME,rankds,s2_dim,s2_wbuf,err) !------------------------------------------------------------------------- ! attach the DS_1_NAME dimension scale to DSET_NAME at dimension 1 ! and then detach it. !------------------------------------------------------------------------- ! get the dataset id for DSET_NAME CALL H5Dopen_f(fid, DSET_NAME, did, err) ! get the DS dataset id CALL H5Dopen_f(fid, DS_1_NAME, dsid, err) WRITE(*,'(/,5A,I0)') & "Attach Dimension Scale """,TRIM(DS_1_NAME),'" to "', TRIM(DSET_NAME), '" at dimension ', DIM1 ! attach the DS_1_NAME dimension scale to DSET_NAME at dimension index 1 CALL H5DSattach_scale_f(did, dsid, DIM1, err) ! Test if dimension Scale Attached CALL H5DSis_attached_f(did, dsid, DIM1, is_attached, err) WRITE(*,'(/,5X,3(A,1X),I0,A,L1)') 'Is',TRIM(DS_1_NAME),& 'attached to dimension',DIM1,' ... ',is_attached ! Check to see how many Dimension Scales are attached CALL H5DSget_num_scales_f(did, DIM1, num_scales, err) WRITE(*,'(5X,A,I0)') 'Total number of Dimension Scales Attached ... ', num_scales ! Detach scale CALL H5DSdetach_scale_f(did, dsid, DIM1, err) WRITE(*,'(/,5A,I0)') & "Detach Dimension Scale """,TRIM(DS_1_NAME),'" from "', TRIM(DSET_NAME), '" at dimension ', DIM1 ! Check to see if a dimension scale is attached, should be .false. CALL H5DSis_attached_f(did, dsid, DIM1, is_attached, err) WRITE(*,'(/,5X,3(A,1X),I0,A,L1)') 'Is',TRIM(DS_1_NAME),& 'attached to dimension',DIM1,' ... ',is_attached !------------------------------------------------------------------------- ! set the DS_1_NAME dimension scale to DSET_NAME at dimension 1 !------------------------------------------------------------------------- WRITE(*,'(/,5A,I0)') & 'Set Dimension Scale "', TRIM(DS_1_NAME), '" to "', TRIM(DSET_NAME), '" at dimension ', DIM1 CALL H5DSset_scale_f(dsid, err, "Set X") ! Test if Dimension Scale CALL H5DSis_scale_f(dsid, is_scale, err) ! Get scale name name_len = 25 name = '' CALL H5DSget_scale_name_f(dsid, name, name_len, err) WRITE(*,'(/,5X,A,A)') 'The Dimension Scale name is ... ', name(1:name_len) ! Setting Dimension Scale Label WRITE(*,'(/,A,I0)') "Setting Dimension Scale label ""X"" for dimension ", DIM1 CALL H5DSset_label_f(did, DIM1, "X", err) label_len = 25 label = '' CALL H5DSget_label_f(did, DIM1, label, label_len, err) WRITE(*,'(/,5X,A,I0,2A)') 'Dimension Scale Label for dimension ', DIM1, ' is ... ', label(1:label_len) ! close DS id CALL H5Dclose_f(dsid, err) !------------------------------------------------------------------------- ! attach the DS_2_NAME dimension scale to DSET_NAME !------------------------------------------------------------------------- ! get the DS dataset id CALL H5Dopen_f(fid, DS_2_NAME, dsid, err) ! attach the DS_2_NAME dimension scale to DSET_NAME as the 2nd dimension (index 2) WRITE(*,'(/,5A,I0)') & 'Set Dimension Scale "', TRIM(DS_2_NAME), '" to "', TRIM(DSET_NAME), '" at dimension ', DIM2 CALL H5DSattach_scale_f(did, dsid, DIM2, err) CALL H5DSis_attached_f(did, dsid, DIM2, is_attached, err) CALL H5DSset_scale_f(dsid, err, "Set Y") ! Get scale name name_len = 25 name = '' CALL H5DSget_scale_name_f(dsid, name(1:name_len), name_len, err) WRITE(*,'(/,5X,A,A)') 'The Dimension Scale name is ... ', name(1:name_len) ! Setting Dimension Scale Label WRITE(*,'(/,A,I0)') "Setting Dimension Scale label ""Y"" for dimension ", DIM2 CALL H5DSset_label_f(did, DIM2, "Y", err) ! Get Label label_len = 25 label = '' CALL H5DSget_label_f(did, DIM2, label, label_len, err) WRITE(*,'(/,5X,A,I0,2A,/)') 'Dimension Scale Label for dimension ', DIM2, ' is ... ', label(1:label_len) ! close DS id CALL H5Dclose_f(dsid, err) ! close file CALL H5Fclose_f(fid, err) END PROGRAM example_ds