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Diffstat (limited to 'doc/html/Tutor/examples/refobjexample.f90')
| -rw-r--r-- | doc/html/Tutor/examples/refobjexample.f90 | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/doc/html/Tutor/examples/refobjexample.f90 b/doc/html/Tutor/examples/refobjexample.f90 deleted file mode 100644 index fdbb26d..0000000 --- a/doc/html/Tutor/examples/refobjexample.f90 +++ /dev/null @@ -1,142 +0,0 @@ -! -! This program shows how to create and store references to the objects. -! Program creates a file, two groups, a dataset to store integer data and -! a dataset to store references to the objects. -! Stored references are used to open the objects they are point to. -! Data is written to the dereferenced dataset, and class type is displayed for -! the shared datatype. -! - PROGRAM OBJ_REFERENCES - - USE HDF5 ! This module contains all necessary modules - - IMPLICIT NONE - CHARACTER(LEN=10), PARAMETER :: filename = "FORTRAN.h5" ! File - CHARACTER(LEN=8), PARAMETER :: dsetnamei = "INTEGERS" ! Dataset with the integer data - CHARACTER(LEN=17), PARAMETER :: dsetnamer = "OBJECT_REFERENCES" ! Dataset wtih object - ! references - CHARACTER(LEN=6), PARAMETER :: groupname1 = "GROUP1" ! Groups in the file - CHARACTER(LEN=6), PARAMETER :: groupname2 = "GROUP2" ! - - INTEGER(HID_T) :: file_id ! File identifier - INTEGER(HID_T) :: grp1_id ! Group identifiers - INTEGER(HID_T) :: grp2_id ! - INTEGER(HID_T) :: dset_id ! Dataset identifiers - INTEGER(HID_T) :: dsetr_id ! - INTEGER(HID_T) :: type_id ! Type identifier - INTEGER(HID_T) :: space_id ! Dataspace identifiers - INTEGER(HID_T) :: spacer_id ! - INTEGER :: error - INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/5/) - INTEGER(HSIZE_T), DIMENSION(1) :: dimsr= (/4/) - INTEGER(HSIZE_T), DIMENSION(1) :: my_maxdims = (/5/) - INTEGER :: rank = 1 - INTEGER :: rankr = 1 - TYPE(hobj_ref_t_f), DIMENSION(4) :: ref - TYPE(hobj_ref_t_f), DIMENSION(4) :: ref_out - INTEGER, DIMENSION(5) :: data = (/1, 2, 3, 4, 5/) - INTEGER :: class, ref_size - ! - ! Initialize FORTRAN interface. - ! - CALL h5open_f(error) - ! - ! Create a file - ! - CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error) - ! Default file access and file creation - ! properties are used. - ! - ! Create a group in the file - ! - CALL h5gcreate_f(file_id, groupname1, grp1_id, error) - ! - ! Create a group inside the created gorup - ! - CALL h5gcreate_f(grp1_id, groupname2, grp2_id, error) - ! - ! Create dataspaces for datasets - ! - CALL h5screate_simple_f(rank, dims, space_id, error, maxdims=my_maxdims) - CALL h5screate_simple_f(rankr, dimsr, spacer_id, error) - ! - ! Create integer dataset - ! - CALL h5dcreate_f(file_id, dsetnamei, H5T_NATIVE_INTEGER, space_id, & - dset_id, error) - ! - ! Create dataset to store references to the objects - ! - CALL h5dcreate_f(file_id, dsetnamer, H5T_STD_REF_OBJ, spacer_id, & - dsetr_id, error) - ! - ! Create a datatype and store in the file - ! - CALL h5tcopy_f(H5T_NATIVE_REAL, type_id, error) - CALL h5tcommit_f(file_id, "MyType", type_id, error) - ! - ! Close dataspaces, groups and integer dataset - ! - CALL h5sclose_f(space_id, error) - CALL h5sclose_f(spacer_id, error) - CALL h5tclose_f(type_id, error) - CALL h5dclose_f(dset_id, error) - CALL h5gclose_f(grp1_id, error) - CALL h5gclose_f(grp2_id, error) - ! - ! Create references to two groups, integer dataset and shared datatype - ! and write it to the dataset in the file - ! - CALL h5rcreate_f(file_id, groupname1, ref(1), error) - CALL h5rcreate_f(file_id, "/GROUP1/GROUP2", ref(2), error) - CALL h5rcreate_f(file_id, dsetnamei, ref(3), error) - CALL h5rcreate_f(file_id, "MyType", ref(4), error) - ref_size = size(ref) - CALL h5dwrite_f(dsetr_id, H5T_STD_REF_OBJ, ref, ref_size, error) - ! - ! Close the dataset - ! - CALL h5dclose_f(dsetr_id, error) - ! - ! Reopen the dataset with object references and read references to the buffer - ! - CALL h5dopen_f(file_id, dsetnamer,dsetr_id,error) - ref_size = size(ref_out) - CALL h5dread_f(dsetr_id, H5T_STD_REF_OBJ, ref_out, ref_size, error) - ! - ! Dereference the third reference. We know that it is a dataset. On practice - ! one should use h5rget_object_type_f function to find out - ! the type of an object the reference points to. - ! - CALL h5rdereference_f(dsetr_id, ref(3), dset_id, error) - ! - ! Write data to the dataset. - ! - CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data, error) - if (error .eq. 0) write(*,*) "Data has been successfully written to the dataset " - ! - ! Dereference the fourth reference. We know that it is a datatype. On practice - ! one should use h5rget_object_type_f function to find out - ! the type of an object the reference points to. - ! - CALL h5rdereference_f(dsetr_id, ref(4), type_id, error) - ! - ! Get datatype class and display it if it is of a FLOAT class. - ! - CALL h5tget_class_f(type_id, class, error) - if(class .eq. H5T_FLOAT_F) write(*,*) "Stored datatype is of a FLOAT class" - ! - ! Close all objects. - ! - CALL h5dclose_f(dset_id, error) - CALL h5tclose_f(type_id, error) - CALL h5dclose_f(dsetr_id, error) - CALL h5fclose_f(file_id, error) - ! - ! Close FORTRAN interface. - ! - CALL h5close_f(error) - - END PROGRAM OBJ_REFERENCES - - |