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Sets properties to be used when an object is copied


H5P_SET_COPY_OBJECT ( ocpypl_id, copy_options )


herr_t H5Pset_copy_object(
            hid_t ocpypl_id,
            unsigned copy_options


Fortran90 Interface: h5pset_copy_object_f

SUBROUTINE h5pset_copy_object_f(ocpypl_id, copy_options, hdferr)
  INTEGER(HID_T), INTENT(IN) :: ocpypl_id 
                              ! Object copy property list identifier
  INTEGER, INTENT(IN) :: copy_options 
                              ! Copy option(s) to be set, valid options are:
                              !   H5O_COPY_SHALLOW_HIERARCHY_F
                              !   H5O_COPY_EXPAND_SOFT_LINK_F 
                              !   H5O_COPY_EXPAND_EXT_LINK_F
                              !   H5O_COPY_EXPAND_REFERENCE_F
                              !   H5O_COPY_WITHOUT_ATTR_FLAG_F
                              !   H5O_COPY_MERGE_COMMITTED_DTYPE_FLAG_F

  INTEGER, INTENT(OUT) :: hdferr      
                              ! Error code
                              ! 0 on success and -1 on failure
END SUBROUTINE h5pset_copy_object_f

hid_t ocpypl_idIN: Object copy property list identifier
unsigned copy_options    IN: Copy option(s) to be set


H5P_SET_COPY_OBJECT sets properties in the object copy property list ocpypl_id. When an existing object is copied, that property list will determine how the new copy is created.

The following flags are available for use in an object copy property list:

H5O_COPY_SHALLOW_HIERARCHY_FLAGCopy only immediate members of a group
Default behavior, without flag: Recursively copy all objects in and below the group.
H5O_COPY_EXPAND_SOFT_LINK_FLAGExpand soft links into new objects
Default behavior, without flag: Copy soft links as they are.
H5O_COPY_EXPAND_EXT_LINK_FLAGExpand external link into new objects
Default behavior, without flag: Copy external links as they are.
H5O_COPY_EXPAND_REFERENCE_FLAGCopy objects that are pointed to by references and update reference values in destination file
Default behavior, without flag: Set reference values in destination file to zero (0)
H5O_COPY_WITHOUT_ATTR_FLAGCopy object without copying attributes
Default behavior, without flag: Copy object with all its attributes
H5O_COPY_MERGE_COMMITTED_DTYPE_FLAG  Use a matching committed datatype in the destination file when copying a committed datatype, a dataset with a committed datatype, or an object with an attribute of committed datatype
Default behavior without flag:
  • A committed datatype in the source will be copied to the destination as a committed datatype.
  • If a dataset in the source uses a committed datatype or an object in the source has an attribute of a committed datatype, that committed datatype will be written to the destination as an anonymous committed datatype.
    If copied in a single H5O_COPY operation, objects that share a committed datatype in the source will share an anonymous committed dataype in the destination copy. Subsequent H5O_COPY operations, however, will be unaware of prior anonymous committed dataypes and will create new ones.

See the “See Also” section immediately below for functions related to the use of this flag.

See Also:


Copying Committed Datatypes with H5Ocopy - A comprehensive discussion of copying committed datatypes (PDF) in Advanced Topics in HDF5

Functions and a callback function used to tune committed datatype copying behavior:


Returns a non-negative value if successful; otherwise returns a negative value.


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Release    Change
1.8.9H5O_COPY_MERGE_COMMITTED_DTYPE_FLAG added in this release.
1.8.0Function introduced in this release.

--- Last Modified: August 09, 2019 | 02:41 PM