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| author | Raymond Lu <songyulu@hdfgroup.org> | 2013-01-09 20:23:07 (GMT) |
|---|---|---|
| committer | Raymond Lu <songyulu@hdfgroup.org> | 2013-01-09 20:23:07 (GMT) |
| commit | 81bcd314a9b170a5652f4d13b54b9cbaab14c03b (patch) | |
| tree | d23a240e343fcbaa9f1ae2472f90c1f2ba766fce /examples/h5_crtgrpd.c | |
| parent | cde5029461edd921e8f84dabed9eb8f01a704dba (diff) | |
| download | hdf5-81bcd314a9b170a5652f4d13b54b9cbaab14c03b.zip hdf5-81bcd314a9b170a5652f4d13b54b9cbaab14c03b.tar.gz hdf5-81bcd314a9b170a5652f4d13b54b9cbaab14c03b.tar.bz2 | |
[svn-r23147] ported revisions 23081:23145 from the trunk
Diffstat (limited to 'examples/h5_crtgrpd.c')
| -rw-r--r-- | examples/h5_crtgrpd.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/examples/h5_crtgrpd.c b/examples/h5_crtgrpd.c new file mode 100644 index 0000000..9c45928 --- /dev/null +++ b/examples/h5_crtgrpd.c @@ -0,0 +1,91 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 create a dataset in a group.
+ * It is used in the HDF5 Tutorial.
+ */
+
+#include "hdf5.h"
+#define FILE "groups.h5"
+
+int main() {
+
+ hid_t file_id, group_id, dataset_id, dataspace_id; /* identifiers */
+ hsize_t dims[2];
+ herr_t status;
+ int i, j, dset1_data[3][3], dset2_data[2][10];
+
+ /* Initialize the first dataset. */
+ for (i = 0; i < 3; i++)
+ for (j = 0; j < 3; j++)
+ dset1_data[i][j] = j + 1;
+
+ /* Initialize the second dataset. */
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 10; j++)
+ dset2_data[i][j] = j + 1;
+
+ /* Open an existing file. */
+ file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
+
+ /* Create the data space for the first dataset. */
+ dims[0] = 3;
+ dims[1] = 3;
+ dataspace_id = H5Screate_simple(2, dims, NULL);
+
+ /* Create a dataset in group "MyGroup". */
+ dataset_id = H5Dcreate2(file_id, "/MyGroup/dset1", H5T_STD_I32BE, dataspace_id,
+ H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+ /* Write the first dataset. */
+ status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
+ dset1_data);
+
+ /* Close the data space for the first dataset. */
+ status = H5Sclose(dataspace_id);
+
+ /* Close the first dataset. */
+ status = H5Dclose(dataset_id);
+
+ /* Open an existing group of the specified file. */
+ group_id = H5Gopen2(file_id, "/MyGroup/Group_A", H5P_DEFAULT);
+
+ /* Create the data space for the second dataset. */
+ dims[0] = 2;
+ dims[1] = 10;
+ dataspace_id = H5Screate_simple(2, dims, NULL);
+
+ /* Create the second dataset in group "Group_A". */
+ dataset_id = H5Dcreate2(group_id, "dset2", H5T_STD_I32BE, dataspace_id,
+ H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+ /* Write the second dataset. */
+ status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
+ dset2_data);
+
+ /* Close the data space for the second dataset. */
+ status = H5Sclose(dataspace_id);
+
+ /* Close the second dataset */
+ status = H5Dclose(dataset_id);
+
+ /* Close the group. */
+ status = H5Gclose(group_id);
+
+ /* Close the file. */
+ status = H5Fclose(file_id);
+}
+
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