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authorFrank Baker <fbaker@hdfgroup.org>2005-07-19 17:28:56 (GMT)
committerFrank Baker <fbaker@hdfgroup.org>2005-07-19 17:28:56 (GMT)
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[svn-r11084]
Description: All HDF5 user documentation has been moved to a separate hdf5doc/ repository, managed under Subversion. With this 'cvs commit', all files are stripped from hdf5/doc/. THIS CHANGE IS APPLIED ONLY TO THE HDF5 DEVELOPMENT BRANCH, post Release 1.6.x; it is not applied to the release branches.
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-! This example shows how to create and write a dataset attribute.
-! It opens the existing file 'dset.h5', obtains the identifier of
-! the dataset "/dset", defines attribute's dataspace,
-! creates dataset attribute, writes the attribute, and then closes
-! the attribute's dataspace, attribute, dataset, and file.
-
- PROGRAM ATTREXAMPLE
-
-
- 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
- CHARACTER(LEN=4), PARAMETER :: aname = "attr" ! Attribute name
-
- INTEGER(HID_T) :: file_id ! File identifier
- INTEGER(HID_T) :: dset_id ! Dataset identifier
- INTEGER(HID_T) :: attr_id ! Attribute identifier
- INTEGER(HID_T) :: aspace_id ! Attribute Dataspace identifier
-
- INTEGER(HSIZE_T), DIMENSION(1) :: adims = (/2/) ! Attribute dimension
- INTEGER, DIMENSION(2) :: attr_data = (/100,200/)! Attribute data
- INTEGER :: arank = 1 ! Attribure rank
-
- INTEGER :: error ! Error flag
-
-
- !
- ! Initialize FORTRAN predefined datatypes.
- !
- 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)
-
- !
- ! Create the data space for the attribute.
- !
- CALL h5screate_simple_f(arank, adims, aspace_id, error)
-
- !
- ! Create dataset attribute.
- !
- CALL h5acreate_f(dset_id, aname, H5T_NATIVE_INTEGER,aspace_id, &
- attr_id, error)
-
- !
- ! Write the attribute data.
- !
- CALL h5awrite_f(attr_id, H5T_NATIVE_INTEGER, attr_data, error)
-
- !
- ! Close the attribute.
- !
- CALL h5aclose_f(attr_id, error)
-
- !
- ! Terminate access to the data space.
- !
- CALL h5sclose_f(aspace_id, error)
-
- !
- ! End access to the dataset and release resources used by it.
- !
- CALL h5dclose_f(dset_id, error)
-
- !
- ! Close the file.
- !
- CALL h5fclose_f(file_id, error)
-
- !
- ! Close FORTRAN predefined datatypes.
- !
- CALL h5close_f(error)
-
- END PROGRAM ATTREXAMPLE
-