mirror of
https://github.com/HDFGroup/hdf5.git
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193 lines
6.8 KiB
Fortran
193 lines
6.8 KiB
Fortran
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! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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! * Copyright by The HDF Group. *
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! * Copyright by the Board of Trustees of the University of Illinois. *
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! * All rights reserved. *
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! * *
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! * This file is part of HDF5. The full HDF5 copyright notice, including *
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! * terms governing use, modification, and redistribution, is contained in *
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! * the files COPYING and Copyright.html. COPYING can be found at the root *
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! * of the source code distribution tree; Copyright.html can be found at the *
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! * root level of an installed copy of the electronic HDF5 document set and *
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! * is linked from the top-level documents page. It can also be found at *
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! * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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! * access to either file, you may request a copy from help@hdfgroup.org. *
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! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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PROGRAM example_ds
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USE HDF5
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USE H5LT
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USE H5DS
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IMPLICIT NONE
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INTEGER, PARAMETER :: RANK = 2 ! rank of DATA dataset
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INTEGER, PARAMETER :: DIM_DATA = 12
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INTEGER, PARAMETER :: DIM1_SIZE = 3
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INTEGER, PARAMETER :: DIM2_SIZE = 4
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INTEGER, PARAMETER :: DIM1 = 1
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INTEGER, PARAMETER :: DIM2 = 2
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CHARACTER(LEN=6), PARAMETER :: DSET_NAME = "MYDATA"
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CHARACTER(LEN=5), PARAMETER :: DS_1_NAME = "Xaxis"
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CHARACTER(LEN=5), PARAMETER :: DS_2_NAME = "Yaxis"
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INTEGER(hid_t) :: fid ! file ID
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INTEGER(hid_t) :: did ! dataset ID
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INTEGER(hid_t) :: dsid ! DS dataset ID
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INTEGER :: rankds = 1 ! rank of DS dataset
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INTEGER(hsize_t), DIMENSION(1:rank) :: dims = (/DIM2_SIZE,DIM1_SIZE/) ! size of data dataset
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INTEGER, DIMENSION(1:DIM_DATA) :: buf = (/1,2,3,4,5,6,7,8,9,10,11,12/) ! data of data dataset
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INTEGER(hsize_t), DIMENSION(1:1) :: s1_dim = (/DIM1_SIZE/) ! size of DS 1 dataset
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INTEGER(hsize_t), DIMENSION(1:1) :: s2_dim = (/DIM2_SIZE/) ! size of DS 2 dataset
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REAL, DIMENSION(1:DIM1_SIZE) :: s1_wbuf = (/10,20,30/) ! data of DS 1 dataset
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REAL, DIMENSION(1:DIM2_SIZE) :: s2_wbuf = (/10,20,50,100/) ! data of DS 2 dataset
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INTEGER :: err
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INTEGER :: num_scales
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INTEGER(size_t) :: name_len
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CHARACTER(LEN=80) :: name
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INTEGER(size_t) :: label_len
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CHARACTER(LEN=80) :: label
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LOGICAL :: is_attached, is_scale
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!
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! Initialize FORTRAN predefined datatypes.
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!
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CALL h5open_f(err)
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! create a file using default properties
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CALL H5Fcreate_f("ex_ds1.h5",H5F_ACC_TRUNC_F, fid, err)
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! make a dataset
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CALL H5LTmake_dataset_int_f(fid, DSET_NAME, rank,dims,buf, err)
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! make a DS dataset for the first dimension
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CALL H5LTmake_dataset_float_f(fid,DS_1_NAME,rankds,s1_dim,s1_wbuf,err)
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! make a DS dataset for the second dimension
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CALL H5LTmake_dataset_float_f(fid,DS_2_NAME,rankds,s2_dim,s2_wbuf,err)
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!-------------------------------------------------------------------------
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! attach the DS_1_NAME dimension scale to DSET_NAME at dimension 1
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! and then detach it.
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!-------------------------------------------------------------------------
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! get the dataset id for DSET_NAME
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CALL H5Dopen_f(fid, DSET_NAME, did, err)
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! get the DS dataset id
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CALL H5Dopen_f(fid, DS_1_NAME, dsid, err)
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WRITE(*,'(/,5A,I0)') &
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"Attach Dimension Scale """,TRIM(DS_1_NAME),'" to "', TRIM(DSET_NAME), '" at dimension ', DIM1
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! attach the DS_1_NAME dimension scale to DSET_NAME at dimension index 1
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CALL H5DSattach_scale_f(did, dsid, DIM1, err)
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! Test if dimension Scale Attached
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CALL H5DSis_attached_f(did, dsid, DIM1, is_attached, err)
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WRITE(*,'(/,5X 3(A,1X),I0,A,L1)') 'Is',TRIM(DS_1_NAME),&
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'attached to dimension',DIM1,' ... ',is_attached
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! Check to see how many Dimension Scales are attached
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CALL H5DSget_num_scales_f(did, DIM1, num_scales, err)
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WRITE(*,'(5X,A,I0)') 'Total number of Dimension Scales Attached ... ', num_scales
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! Detach scale
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CALL H5DSdetach_scale_f(did, dsid, DIM1, err)
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WRITE(*,'(/,5A,I0)') &
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"Detach Dimension Scale """,TRIM(DS_1_NAME),'" from "', TRIM(DSET_NAME), '" at dimension ', DIM1
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! Check to see if a dimension scale is attached, should be .false.
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CALL H5DSis_attached_f(did, dsid, DIM1, is_attached, err)
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WRITE(*,'(/,5X,3(A,1X),I0,A,L1)') 'Is',TRIM(DS_1_NAME),&
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'attached to dimension',DIM1,' ... ',is_attached
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!-------------------------------------------------------------------------
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! set the DS_1_NAME dimension scale to DSET_NAME at dimension 1
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!-------------------------------------------------------------------------
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WRITE(*,'(/,5A,I0)') &
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'Set Dimension Scale "', TRIM(DS_1_NAME), '" to "', TRIM(DSET_NAME), '" at dimension ', DIM1
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CALL H5DSset_scale_f(dsid, err, "Set X")
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! Test if Dimension Scale
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CALL H5DSis_scale_f(dsid, is_scale, err)
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! Get scale name
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name_len = 25
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name = ''
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CALL H5DSget_scale_name_f(dsid, name, name_len, err)
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WRITE(*,'(/,5X,A,A)') 'The Dimension Scale name is ... ', name(1:name_len)
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! Setting Dimension Scale Label
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WRITE(*,'(/,A,I0)') "Setting Dimension Scale label ""X"" for dimension ", DIM1
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CALL H5DSset_label_f(did, DIM1, "X", err)
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label_len = 25
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label = ''
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CALL H5DSget_label_f(did, DIM1, label, label_len, err)
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WRITE(*,'(/,5X,A,I0,2A)') 'Dimension Scale Label for dimension ', DIM1, ' is ... ', label(1:label_len)
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! close DS id
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CALL H5Dclose_f(dsid, err)
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!-------------------------------------------------------------------------
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! attach the DS_2_NAME dimension scale to DSET_NAME
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!-------------------------------------------------------------------------
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! get the DS dataset id
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CALL H5Dopen_f(fid, DS_2_NAME, dsid, err)
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! attach the DS_2_NAME dimension scale to DSET_NAME as the 2nd dimension (index 2)
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WRITE(*,'(/,5A,I0)') &
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'Set Dimension Scale "', TRIM(DS_2_NAME), '" to "', TRIM(DSET_NAME), '" at dimension ', DIM2
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CALL H5DSattach_scale_f(did, dsid, DIM2, err)
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CALL H5DSis_attached_f(did, dsid, DIM2, is_attached, err)
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CALL H5DSset_scale_f(dsid, err, "Set Y")
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! Get scale name
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name_len = 25
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name = ''
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CALL H5DSget_scale_name_f(dsid, name(1:name_len), name_len, err)
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WRITE(*,'(/,5X,A,A)') 'The Dimension Scale name is ... ', name(1:name_len)
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! Setting Dimension Scale Label
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WRITE(*,'(/,A,I0)') "Setting Dimension Scale label ""Y"" for dimension ", DIM2
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CALL H5DSset_label_f(did, DIM2, "Y", err)
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! Get Label
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label_len = 25
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label = ''
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CALL H5DSget_label_f(did, DIM2, label, label_len, err)
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WRITE(*,'(/,5X,A,I0,2A,/)') 'Dimension Scale Label for dimension ', DIM2, ' is ... ', label(1:label_len)
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! close DS id
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CALL H5Dclose_f(dsid, err)
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! close file
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CALL H5Fclose_f(fid, err)
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END PROGRAM example_ds
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