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author | Scot Breitenfeld <brtnfld@hdfgroup.org> | 2012-12-10 22:30:38 (GMT) |
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committer | Scot Breitenfeld <brtnfld@hdfgroup.org> | 2012-12-10 22:30:38 (GMT) |
commit | 17fd0e9ce4e56ad786ccf04907fcddabddab936a (patch) | |
tree | d0e3e388788b47fa862878e48077dbf32cfe69c8 /fortran/examples/h5_rdwt.f90 | |
parent | f89d08019182504f3b6170ef42fa2dcd6a91bfa9 (diff) | |
download | hdf5-17fd0e9ce4e56ad786ccf04907fcddabddab936a.zip hdf5-17fd0e9ce4e56ad786ccf04907fcddabddab936a.tar.gz hdf5-17fd0e9ce4e56ad786ccf04907fcddabddab936a.tar.bz2 |
[svn-r23088] Changed Fortran examples to reflect changes in documentation via Barbara;
mainly program name changes. Two new examples added: h5_extend.f90 h5_subset.f90 and
example fileexample.f90 was removed.
Tested: jam (gnu compilers)
Diffstat (limited to 'fortran/examples/h5_rdwt.f90')
-rw-r--r-- | fortran/examples/h5_rdwt.f90 | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/fortran/examples/h5_rdwt.f90 b/fortran/examples/h5_rdwt.f90 new file mode 100644 index 0000000..ba05b2f --- /dev/null +++ b/fortran/examples/h5_rdwt.f90 @@ -0,0 +1,96 @@ +! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +! 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. * +! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +! +! +! The following example shows how to write and read to/from an existing dataset. +! It opens the file created in the previous example, obtains the dataset +! identifier, writes the data to the dataset in the file, +! then reads the dataset to memory. +! +! This example is used in the HDF5 Tutorial. + +PROGRAM H5_RDWT + + USE HDF5 ! This module contains all necessary modules + + IMPLICIT NONE + + CHARACTER(LEN=8), PARAMETER :: filename = "dsetf.h5" ! File name + CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name + + INTEGER(HID_T) :: file_id ! File identifier + INTEGER(HID_T) :: dset_id ! Dataset identifier + + INTEGER :: error ! Error flag + INTEGER :: i, j + + INTEGER, DIMENSION(4,6) :: dset_data, data_out ! Data buffers + INTEGER(HSIZE_T), DIMENSION(2) :: data_dims + + ! + ! Initialize the dset_data array. + ! + DO i = 1, 4 + DO j = 1, 6 + dset_data(i,j) = (i-1)*6 + j + END DO + END DO + + ! + ! Initialize FORTRAN interface. + ! + CALL h5open_f(error) + + ! + ! Open an existing file. + ! + CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error) + + ! + ! Open an existing dataset. + ! + CALL h5dopen_f(file_id, dsetname, dset_id, error) + + ! + ! Write the dataset. + ! + data_dims(1) = 4 + data_dims(2) = 6 + CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, error) + + ! + ! Read the dataset. + ! + CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error) + + ! + ! Close the dataset. + ! + CALL h5dclose_f(dset_id, error) + + ! + ! Close the file. + ! + CALL h5fclose_f(file_id, error) + + ! + ! Close FORTRAN interface. + ! + CALL h5close_f(error) + +END PROGRAM H5_RDWT + + + |