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authorElena Pourmal <epourmal@hdfgroup.org>1998-02-13 22:04:07 (GMT)
committerElena Pourmal <epourmal@hdfgroup.org>1998-02-13 22:04:07 (GMT)
commite15281db5c9b46f0f41aecb58767733fd7b5cff3 (patch)
tree2678e4d45deb0049cc51a8bc5574cbf95f7b758c /examples
parent75c8d0278f96a7004269a8dcd9d89e81a5c81fa9 (diff)
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[svn-r272] Example has been modified to show how to create datasets within the file and
groups. The same name is used for one of the datasets in the different groups.
Diffstat (limited to 'examples')
-rw-r--r--examples/h5_group.c59
1 files changed, 46 insertions, 13 deletions
diff --git a/examples/h5_group.c b/examples/h5_group.c
index 662d24c..7b2dbe9 100644
--- a/examples/h5_group.c
+++ b/examples/h5_group.c
@@ -1,3 +1,9 @@
+/*
+ * This example shows how to create groups within the file and
+ * datasets within the file and groups.
+ */
+
+
#include "hdf5.h"
@@ -12,6 +18,7 @@ main()
herr_t status;
size_t dims[2];
+ size_t size[1];
/*
* Create a file.
@@ -27,24 +34,51 @@ status = H5Gclose(dir);
dir = H5Gcreate(file,"/FloatData", 0);
status = H5Gclose(dir);
+/*
+ * Create dataspace for the character string
+ */
+size[0] = 80;
+dataspace = H5Pcreate_simple(1, size, NULL);
+
+/*
+ * Create dataset "String" in the root group.
+ */
+dataset = H5Dcreate(file, "String", H5T_NATIVE_CHAR, dataspace, H5C_DEFAULT);
+H5Dclose(dataset);
+
+/*
+ * Create dataset "String" in the /IntData group.
+ */
+dataset = H5Dcreate(file, "/IntData/String", H5T_NATIVE_CHAR, dataspace,
+ H5C_DEFAULT);
+H5Dclose(dataset);
+
/*
- * Create dataset in the /IntData group by specifying full path.
+ * Create dataset "String" in the /FloatData group.
+ */
+dataset = H5Dcreate(file, "/FloatData/String", H5T_NATIVE_CHAR, dataspace,
+ H5C_DEFAULT);
+H5Pclose(dataspace);
+H5Dclose(dataset);
+
+/*
+ * Create IntArray dataset in the /IntData group by specifying full path.
*/
dims[0] = 2;
dims[1] = 3;
dataspace = H5Pcreate_simple(RANK, dims, NULL);
-dataset = H5Dcreate(file, "/IntData/IntArray", H5T_NATIVE_INT, dataspace, H5C_DEFAULT);
-
+dataset = H5Dcreate(file, "/IntData/IntArray", H5T_NATIVE_INT, dataspace,
+ H5C_DEFAULT);
H5Pclose(dataspace);
H5Dclose(dataset);
/*
- * Set current group to /IntData and attach to the dataset IntArray.
+ * Set current group to /IntData and attach to the dataset String.
*/
status = H5Gset (file, "/IntData");
-dataset = H5Dopen(file, "IntArray");
-if (dataset > 0) printf("IntArray dataset in /IntData group is found\n");
+dataset = H5Dopen(file, "String");
+if (dataset > 0) printf("String dataset in /IntData group is found\n");
H5Dclose(dataset);
/*
@@ -53,31 +87,30 @@ H5Dclose(dataset);
status = H5Gset (file, "/FloatData");
/*
- * Create two datasets
+ * Create two datasets FlatArray and DoubleArray.
*/
dims[0] = 5;
dims[1] = 10;
dataspace = H5Pcreate_simple(RANK, dims, NULL);
dataset = H5Dcreate(file, "FloatArray", H5T_NATIVE_FLOAT, dataspace, H5C_DEFAULT);
-
H5Pclose(dataspace);
H5Dclose(dataset);
dims[0] = 4;
dims[1] = 6;
dataspace = H5Pcreate_simple(RANK, dims, NULL);
-dataset = H5Dcreate(file, "DoubleArray", H5T_NATIVE_DOUBLE, dataspace, H5C_DEFAULT);
-
+dataset = H5Dcreate(file, "DoubleArray", H5T_NATIVE_DOUBLE, dataspace,
+ H5C_DEFAULT);
H5Pclose(dataspace);
H5Dclose(dataset);
/*
- * Attach to /FloatData/DoubleArray dataset
+ * Attach to /FloatData/String dataset.
*/
-dataset = H5Dopen(file, "/FloatData/DoubleArray");
-if (dataset > 0) printf("/FloatData/DoubleArray dataset is found\n");
+dataset = H5Dopen(file, "/FloatData/String");
+if (dataset > 0) printf("/FloatData/String dataset is found\n");
H5Dclose(dataset);
H5Fclose(file);