IVF读取hdf5格式的数据 - Fortran Coder

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! ************************************************************

!

!  This example shows how to read and write data to a

!  dataset.  The program first writes integers to a dataset

!  with dataspace dimensions of DIM0xDIM1, then closes the

!  file.  Next, it reopens the file, reads back the data, and

!  outputs it to the screen.

!

!  This file is intended for use with HDF5 Library verion 1.8

!

! ************************************************************

PROGRAM main

  USE HDF5

  IMPLICIT NONE

  CHARACTER(LEN=14), PARAMETER :: filename = "h5ex_d_rdwr.h5"

  CHARACTER(LEN=3) , PARAMETER :: dataset = "DS1"

  INTEGER          , PARAMETER :: dim0     = 4

  INTEGER          , PARAMETER :: dim1     = 7

  INTEGER :: hdferr

  INTEGER(HID_T) :: file, space, dset ! handles

  INTEGER(HSIZE_T), DIMENSION(1:2)           :: dims = (/dim0, dim1/) ! size read/write buffer

  INTEGER         , DIMENSION(1:dim0,1:dim1) :: wdata, &  ! Write buffer 

                                                rdata     ! Read buffer

  INTEGER :: i, j

  !

  ! Initialize FORTRAN interface.

  !

  CALL h5open_f(hdferr)

  !

  ! Initialize data.

  !

  DO i = 1, dim0

     DO j = 1, dim1

        wdata(i,j) = (i-1)*(j-1)-(j-1)

     ENDDO

  ENDDO

  !

  ! Create a new file using the default properties.

  !

  

  CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file, hdferr)

  !

  ! Create dataspace.  Setting size to be the current size.

  !

  CALL h5screate_simple_f(2, dims, space, hdferr)

  !

  ! Create the dataset.  We will use all default properties for this

  ! example.

  !

  CALL h5dcreate_f(file, dataset, H5T_STD_I32LE, space, dset, hdferr)

  !

  ! Write the data to the dataset.

  !

  CALL h5dwrite_f(dset, H5T_NATIVE_INTEGER, wdata, dims, hdferr)

  !

  ! Close and release resources.

  !

  CALL h5dclose_f(dset , hdferr)

  CALL h5sclose_f(space, hdferr)

  CALL h5fclose_f(file , hdferr)

  !

  ! Now we begin the read section of this example.

  !

  !

  ! Open file and dataset using the default properties.

  !

  CALL h5fopen_f(filename, H5F_ACC_RDONLY_F, file, hdferr)

  CALL h5dopen_f (file, dataset, dset, hdferr)

  !

  ! Read the data using the default properties.

  !

  CALL h5dread_f(dset, H5T_NATIVE_INTEGER, rdata, dims, hdferr)

  !

  ! Output the data to the screen.

  !

  WRITE(*, '(/,A,":")') dataset

  DO i=1, dim0

     WRITE(*,'(" [")', ADVANCE='NO')

     WRITE(*,'(80i3)', ADVANCE='NO') rdata(i,:)

     WRITE(*,'(" ]")')

  ENDDO

  WRITE(*, '(/)')

  !

  ! Close and release resources.

  !

  CALL h5dclose_f(dset , hdferr)

  CALL h5fclose_f(file , hdferr)

END PROGRAM main