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author | Bill Wendling <wendling@ncsa.uiuc.edu> | 2000-09-19 20:06:49 (GMT) |
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committer | Bill Wendling <wendling@ncsa.uiuc.edu> | 2000-09-19 20:06:49 (GMT) |
commit | 8055378bcecfc77af85b2bb07e7904edc9492789 (patch) | |
tree | 01c100c34cd727b9dc15ae21c89b6e0dfa361303 /fortran/examples/rwdsetexample.f90 | |
parent | 8272da0b67a9ef3a7299fd10cc5f3ccbf80cbeae (diff) | |
download | hdf5-8055378bcecfc77af85b2bb07e7904edc9492789.zip hdf5-8055378bcecfc77af85b2bb07e7904edc9492789.tar.gz hdf5-8055378bcecfc77af85b2bb07e7904edc9492789.tar.bz2 |
[svn-r2576] Purpose:
Adding the Fortran interface to the HDF5 library
Description:
Fortran is now a subdirectory of the HDF5 library tree.
Platforms tested:
Solaris and IRIX (O2K)
Diffstat (limited to 'fortran/examples/rwdsetexample.f90')
-rw-r--r-- | fortran/examples/rwdsetexample.f90 | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/fortran/examples/rwdsetexample.f90 b/fortran/examples/rwdsetexample.f90 new file mode 100644 index 0000000..085b4e8 --- /dev/null +++ b/fortran/examples/rwdsetexample.f90 @@ -0,0 +1,78 @@ +! +! 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. +! + + + PROGRAM RWDSETEXAMPLE + + 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 + + ! + ! 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 predefined datatypes + ! + CALL h5init_types_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. + ! + CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, error) + + ! + ! Read the dataset. + ! + CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, error) + + ! + ! Close the dataset. + ! + CALL h5dclose_f(dset_id, error) + + ! + ! Close the file. + ! + CALL h5fclose_f(file_id, error) + + ! + ! Close FORTRAN predefined datatypes. + ! + CALL h5close_types_f(error) + + END PROGRAM RWDSETEXAMPLE + + + |