[svn-r236] Example showing how to group objects in the HDF5 file is added.

1 files changed, 84 insertions, 0 deletions

diff --git a/examples/h5_group.c b/examples/h5_group.c
new file mode 100644
index 0000000..662d24c
--- /dev/null
+++ b/examples/h5_group.c
@@ -0,0 +1,84 @@
+#include "hdf5.h"
+
+
+#define FILE    "DIR.h5"
+#define RANK    2
+
+main()
+{
+
+   hid_t    file, dir;
+   hid_t    dataset, dataspace;
+
+   herr_t   status;
+   size_t   dims[2];
+
+/*
+ * Create a file.
+ */
+file = H5Fcreate(FILE, H5ACC_OVERWRITE, H5C_DEFAULT, H5C_DEFAULT);
+
+/*
+ * Create two groups in a file.
+ */
+dir = H5Gcreate(file, "/IntData", 0);
+status = H5Gclose(dir);
+
+dir = H5Gcreate(file,"/FloatData", 0);
+status = H5Gclose(dir);
+
+/*
+ * Create 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); 
+
+H5Pclose(dataspace);
+H5Dclose(dataset);
+
+/*
+ * Set current group to /IntData and attach to the dataset IntArray.
+ */
+
+status = H5Gset (file, "/IntData");
+dataset = H5Dopen(file, "IntArray");
+if (dataset > 0) printf("IntArray dataset in /IntData group is found\n"); 
+H5Dclose(dataset);
+
+/*
+ * Set current group to /FloatData.
+ */
+status = H5Gset (file, "/FloatData");
+
+/* 
+ * Create two datasets
+ */
+
+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); 
+
+H5Pclose(dataspace);
+H5Dclose(dataset);
+
+/* 
+ * Attach to /FloatData/DoubleArray dataset
+ */
+
+dataset = H5Dopen(file, "/FloatData/DoubleArray");
+if (dataset > 0) printf("/FloatData/DoubleArray dataset is found\n"); 
+H5Dclose(dataset);
+H5Fclose(file);
+
+}