H5Dset_extent
(
hid_t dset_id
,
const hsize_t *size
)
H5Dset_extent
sets the current dimensions of the
chunked dataset dset_id
to the sizes specified in
size
.
size
is a 1-dimensional array with n elements,
where n is the rank of the dataset’s current dataspace.
This function can be applied to the following datasets:
maxdims
(see
H5Screate_simple
)
maxdims
Note that external datasets are always contiguous and can be extended only along the first dimension.
Space on disk is immediately allocated for the new dataset extent
if the dataset’s space allocation time is set to
H5D_ALLOC_TIME_EARLY
.
Fill values will be written to the dataset if the dataset’s
fill time is set to H5D_FILL_TIME_IFSET
or
H5D_FILL_TIME_ALLOC
.
(See
H5Pset_fill_time
and
H5Pset_alloc_time
.)
size
are smaller than
the dataset’s current dimension sizes,
H5Dset_extent
will reduce the dataset’s
dimension sizes to the specified values.
It is the user’s responsibility to ensure
that valuable data is not lost;
H5Dset_extent
does not check.
If it is necessary to ensure that current dimension sizes
are not reduced, the function
H5Dextend
can be used.
Except for external datasets, H5Dset_extent
is for use
with chunked datasets only, not contiguous datasets.
hid_t dset_id
|
IN: Dataset identifier |
const hsize_t *size
|
IN: Array containing the new magnitude of each dimension of the dataset. |
SUBROUTINE h5dset_extent_f(dataset_id, size, hdferr) IMPLICIT NONE INTEGER(HID_T), INTENT(IN) :: dataset_id ! Dataset identifier INTEGER(HSIZE_T), DIMENSION(*), INTENT(IN) :: size ! Array containing ! dimensions’ sizes INTEGER, INTENT(OUT) :: hdferr ! Error code: ! 0 on success and -1 on failure END SUBROUTINE h5dset_extent_f
Release | C |
1.8.0 | Function introduced in this release. |