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authorScot Breitenfeld <brtnfld@hdfgroup.org>2011-06-21 15:18:25 (GMT)
committerScot Breitenfeld <brtnfld@hdfgroup.org>2011-06-21 15:18:25 (GMT)
commitd23c582bf6caa0eb41809511d20f482f7b7d0c31 (patch)
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[svn-r21006] Description:
Added Fortran example for HL DS APIs. Tested: jam (intel)
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+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+! * 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 files COPYING and Copyright.html. COPYING can be found at the root *
+! * of the source code distribution tree; Copyright.html can be found at the *
+! * root level of an installed copy of the electronic HDF5 document set and *
+! * is linked from the top-level documents page. It can also be found at *
+! * http://hdfgroup.org/HDF5/doc/Copyright.html. 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
+