mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-27 08:01:04 +08:00
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* Copyright by The HDF Group. *
|
|
* Copyright by the Board of Trustees of the University of Illinois. *
|
|
* All rights reserved. *
|
|
* *
|
|
* This file is part of HDF5. The full HDF5 copyright notice, including *
|
|
* terms governing use, modification, and redistribution, is contained in *
|
|
* the files COPYING and Copyright.html. COPYING can be found at the root *
|
|
* of the source code distribution tree; Copyright.html can be found at the *
|
|
* root level of an installed copy of the electronic HDF5 document set and *
|
|
* is linked from the top-level documents page. It can also be found at *
|
|
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
|
|
* access to either file, you may request a copy from help@hdfgroup.org. *
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/*
|
|
* This example illustrates how to write and read data in an existing
|
|
* dataset. It is used in the HDF5 Tutorial.
|
|
*/
|
|
|
|
#include "hdf5.h"
|
|
#define FILE "dset.h5"
|
|
|
|
int main() {
|
|
|
|
hid_t file_id, dataset_id; /* identifiers */
|
|
herr_t status;
|
|
int i, j, dset_data[4][6];
|
|
|
|
/* Initialize the dataset. */
|
|
for (i = 0; i < 4; i++)
|
|
for (j = 0; j < 6; j++)
|
|
dset_data[i][j] = i * 6 + j + 1;
|
|
|
|
/* Open an existing file. */
|
|
file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
|
|
|
|
/* Open an existing dataset. */
|
|
dataset_id = H5Dopen2(file_id, "/dset", H5P_DEFAULT);
|
|
|
|
/* Write the dataset. */
|
|
status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
|
|
dset_data);
|
|
|
|
status = H5Dread(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
|
|
dset_data);
|
|
|
|
/* Close the dataset. */
|
|
status = H5Dclose(dataset_id);
|
|
|
|
/* Close the file. */
|
|
status = H5Fclose(file_id);
|
|
}
|