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-rw-r--r--MANIFEST1
-rw-r--r--fortran/examples/CMakeLists.txt1
-rw-r--r--fortran/examples/Makefile.am7
-rw-r--r--fortran/examples/Makefile.in5
-rw-r--r--fortran/examples/h5_cmprss.f90131
-rw-r--r--fortran/examples/run-fortran-ex.sh.in4
6 files changed, 143 insertions, 6 deletions
diff --git a/MANIFEST b/MANIFEST
index 9d50102..80ce202 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -251,6 +251,7 @@
./fortran/examples/compound.f90
./fortran/examples/compound_fortran2003.f90
./fortran/examples/compound_complex_fortran2003.f90
+./fortran/examples/h5_cmprss.f90
./fortran/examples/h5_crtatt.f90
./fortran/examples/h5_crtdat.f90
./fortran/examples/h5_crtgrp.f90
diff --git a/fortran/examples/CMakeLists.txt b/fortran/examples/CMakeLists.txt
index bf4b11a..6154387 100644
--- a/fortran/examples/CMakeLists.txt
+++ b/fortran/examples/CMakeLists.txt
@@ -14,6 +14,7 @@ INCLUDE_DIRECTORIES (${CMAKE_Fortran_MODULE_DIRECTORY} ${HDF5_F90_BINARY_DIR} ${
# Define Sources
#-----------------------------------------------------------------------------
SET (examples
+ h5_cmprss
h5_crtdat
h5_rdwt
h5_crtatt
diff --git a/fortran/examples/Makefile.am b/fortran/examples/Makefile.am
index 867d891..e994d4e 100644
--- a/fortran/examples/Makefile.am
+++ b/fortran/examples/Makefile.am
@@ -33,14 +33,14 @@ endif
# compile them with the regular fortran compiler.
EXAMPLE_PROG=h5_crtdat h5_rdwt h5_crtatt h5_crtgrp \
- h5_crtgrpar h5_crtgrpd h5_extend h5_subset hyperslab selectele \
+ h5_crtgrpar h5_crtgrpd h5_extend h5_subset h5_cmprss hyperslab selectele \
refobjexample refregexample mountexample compound
# List files to be installed here
INSTALL_FILES=h5_crtdat.f90 h5_rdwt.f90 \
h5_crtatt.f90 h5_crtgrp.f90 h5_crtgrpar.f90 h5_crtgrpd.f90 \
- h5_extend.f90 h5_subset.f90 hyperslab.f90 selectele.f90 refobjexample.f90 \
- refregexample.f90 mountexample.f90 compound.f90 ph5example.f90
+ h5_extend.f90 h5_subset.f90 h5_cmprss.f90 hyperslab.f90 selectele.f90 refobjexample.f90 \
+ refregexample.f90 mountexample.f90 compound.f90 ph5example.f90
INSTALL_SCRIPT_FILES = run-fortran-ex.sh
@@ -92,6 +92,7 @@ h5_crtatt: h5_crtatt.f90
h5_crtgrp: h5_crtgrp.f90
h5_crtgrpar: h5_crtgrpar.f90
h5_crtgrpd: h5_crtgrpd.f90
+h5_cmprss: h5_cmprss.f90
hyperslab: hyperslab.f90
selectele: selectele.f90
refobjexample: refobjexample.f90
diff --git a/fortran/examples/Makefile.in b/fortran/examples/Makefile.in
index a0eb2c4..a3b0b98 100644
--- a/fortran/examples/Makefile.in
+++ b/fortran/examples/Makefile.in
@@ -406,14 +406,14 @@ CHECK_CLEANFILES = *.chkexe *.chklog *.clog *.h5
# We don't tell automake about these programs so that it doesn't try to
# compile them with the regular fortran compiler.
EXAMPLE_PROG = h5_crtdat h5_rdwt h5_crtatt h5_crtgrp h5_crtgrpar \
- h5_crtgrpd h5_extend h5_subset hyperslab selectele \
+ h5_crtgrpd h5_extend h5_subset h5_cmprss hyperslab selectele \
refobjexample refregexample mountexample compound \
$(am__append_1)
# List files to be installed here
INSTALL_FILES = h5_crtdat.f90 h5_rdwt.f90 h5_crtatt.f90 h5_crtgrp.f90 \
h5_crtgrpar.f90 h5_crtgrpd.f90 h5_extend.f90 h5_subset.f90 \
- hyperslab.f90 selectele.f90 refobjexample.f90 \
+ h5_cmprss.f90 hyperslab.f90 selectele.f90 refobjexample.f90 \
refregexample.f90 mountexample.f90 compound.f90 ph5example.f90 \
$(am__append_2)
INSTALL_SCRIPT_FILES = run-fortran-ex.sh
@@ -696,6 +696,7 @@ h5_crtatt: h5_crtatt.f90
h5_crtgrp: h5_crtgrp.f90
h5_crtgrpar: h5_crtgrpar.f90
h5_crtgrpd: h5_crtgrpd.f90
+h5_cmprss: h5_cmprss.f90
hyperslab: hyperslab.f90
selectele: selectele.f90
refobjexample: refobjexample.f90
diff --git a/fortran/examples/h5_cmprss.f90 b/fortran/examples/h5_cmprss.f90
new file mode 100644
index 0000000..847a922
--- /dev/null
+++ b/fortran/examples/h5_cmprss.f90
@@ -0,0 +1,131 @@
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+! 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. *
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!
+! This example illustrates how to create a compressed dataset.
+! It is used in the HDF5 Tutorial.
+!
+PROGRAM h5_cmprss
+
+ USE HDF5 ! This module contains all necessary modules
+
+ IMPLICIT NONE
+ !
+ ! The dataset is stored in file "h5_cmprss.h5"
+ !
+ CHARACTER(LEN=12), PARAMETER :: filename = "h5_cmprss.h5"
+ INTEGER, PARAMETER :: rank = 2 ! Rank of the data set
+ INTEGER, PARAMETER :: dim0 = 100 ! Data set sizes
+ INTEGER, PARAMETER :: dim1 = 20
+
+ INTEGER(hid_t) :: file_id, dataset_id, dataspace_id ! Identifiers
+ INTEGER(hid_t) :: plist_id ! Property list identifier
+
+ INTEGER :: error
+ INTEGER(hsize_t), DIMENSION(1:rank) :: dims ! dimensions of data
+ INTEGER(hsize_t), DIMENSION(1:rank) :: cdims ! sizes of chunked data
+
+ INTEGER :: i,j, numfilt
+ INTEGER, DIMENSION(1:dim0,1:dim1) :: buf ! write buffer
+ INTEGER, DIMENSION(1:dim0,1:dim1) :: rbuf ! read buffer
+ INTEGER(HSIZE_T), DIMENSION(1:rank) :: data_dims ! dimensions of data buffers
+
+ INTEGER, DIMENSION(1:1) :: cd_values ! Auxiliary data for the filter
+ INTEGER(size_t) :: nelmts ! Number of elements in cd_values
+ INTEGER :: flags ! Bit vector specifying certain general properties of the filter
+ INTEGER(SIZE_T) :: namelen = 180 ! Anticipated number of characters in name
+ CHARACTER(LEN=180) :: name ! Name of the filter
+ INTEGER :: filter_id ! Filter identification number
+
+ ! Uncomment these variables to use SZIP compression
+ !INTEGER :: szip_options_mask
+ !INTEGER :: szip_pixels_per_block
+
+ !
+ !Initialize FORTRAN predifined datatypes
+ !
+ CALL h5open_f(error)
+ !
+ ! Create a file
+ CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
+ !
+ ! Create dataset "Compressed Data" in the group using absolute name.
+ dims(1:2) = (/dim0, dim1/)
+ CALL h5screate_simple_f(rank, dims, dataspace_id, error)
+ CALL h5pcreate_f(H5P_DATASET_CREATE_F, plist_id, error)
+ !
+ ! Dataset must be chunked for compression
+ cdims(1:2) = 20
+ CALL h5pset_chunk_f(plist_id, 2, cdims, error)
+
+ ! Set ZLIB / DEFLATE Compression using compression level 6.
+ ! To use SZIP Compression comment out these lines.
+ CALL h5pset_deflate_f(plist_id, 6, error)
+
+ ! Uncomment these lines to set SZIP Compression
+ !szip_options_mask = H5_SZIP_NN_OM_F
+ !szip_pixels_per_block = 16
+ !CALL H5Pset_szip_f(plist_id, szip_options_mask, szip_pixels_per_block, error)
+
+ ! Create data set
+ CALL h5dcreate_f(file_id, "Compressed_Data", H5T_NATIVE_INTEGER, dataspace_id, &
+ dataset_id, error, dcpl_id=plist_id)
+
+ DO j = 1, dim1
+ DO i = 1, dim0
+ buf(i,j) = i+j
+ ENDDO
+ ENDDO
+
+ data_dims(1:2) = (/dim0,dim1/)
+ CALL h5dwrite_f(dataset_id, H5T_NATIVE_INTEGER, buf, data_dims, error)
+
+ ! Close resources
+ CALL h5sclose_f(dataspace_id, error)
+ CALL h5pclose_f(plist_id, error)
+ CALL h5dclose_f(dataset_id, error)
+ CALL h5fclose_f(file_id, error)
+
+ ! Now reopen the file and dataset in the file.
+ CALL h5fopen_f(filename, H5F_ACC_RDONLY_F, file_id, error)
+ CALL h5dopen_f(file_id, "Compressed_Data", dataset_id, error)
+
+ ! Retrieve filter information.
+ CALL h5dget_create_plist_f(dataset_id, plist_id, error)
+
+ CALL h5pget_nfilters_f(plist_id, numfilt, error)
+ WRITE(*,'(A, I0)') "Number of filters associated with dataset: ", numfilt
+
+ DO i = 1, numfilt
+ nelmts = 1
+ CALL h5pget_filter_f(plist_id, 0, flags, nelmts, cd_values, &
+ namelen, name, filter_id, error)
+
+ WRITE(*,'(30X,A)', ADVANCE='NO')"Filter Type: "
+ IF(filter_id.EQ.H5Z_FILTER_DEFLATE_F)THEN
+ WRITE(*,'(A)') "H5Z_FILTER_DEFLATE"
+ ELSEIF (filter_id.EQ.H5Z_FILTER_SZIP_F)THEN
+ WRITE(*,'(A)') "H5Z_FILTER_SZIP"
+ ELSE
+ WRITE(*,'(A)') "Other filter type included"
+ ENDIF
+ ENDDO
+ data_dims(1:2) = (/dim0,dim1/)
+ CALL h5dread_f(dataset_id, H5T_NATIVE_INTEGER, rbuf, data_dims, error)
+
+ CALL h5dclose_f(dataset_id, error)
+ CALL h5pclose_f(plist_id, error)
+ CALL h5fclose_f(file_id, error)
+
+END PROGRAM h5_cmprss
diff --git a/fortran/examples/run-fortran-ex.sh.in b/fortran/examples/run-fortran-ex.sh.in
index 23c2266..c5c379e 100644
--- a/fortran/examples/run-fortran-ex.sh.in
+++ b/fortran/examples/run-fortran-ex.sh.in
@@ -70,7 +70,9 @@ RunTest()
# Run tests
if [ $? -eq 0 ]
then
- if (RunTest h5_crtdat &&\
+ if (RunTest h5_cmprss &&\
+ rm h5_cmprss &&\
+ RunTest h5_crtdat &&\
rm h5_crtdat &&\
RunTest h5_extend &&\
rm h5_extend &&\
generated by cgit v0.12 at 2024-10-31 15:48:35 (GMT)