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//
// Creating a dataset attribute.
package examples.intro;
import ncsa.hdf.object.Attribute;
import ncsa.hdf.object.Datatype;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.h5.H5Datatype;
import ncsa.hdf.object.h5.H5File;
import ncsa.hdf.object.h5.H5Group;
import ncsa.hdf.object.h5.H5ScalarDS;
public class H5Object_CreateAttribute {
private static String FILENAME = "H5Object_CreateAttribute.h5";
private static String DATASETNAME = "dset";
private static final int DIM_X = 4;
private static final int DIM_Y = 6;
private static String DATASETATTRIBUTE = "Units";
private static final int DATATYPE_SIZE = 4;
private static void CreateDatasetAttribute() {
H5File file = null;
H5ScalarDS dset = null;
Attribute attr = null;
int[][] dset_data = new int[DIM_X][DIM_Y];
long[] dims1 = { DIM_X, DIM_Y };
long[] dims = { 2 };
int[] attr_data = { 100, 200 };
final H5Datatype typeInt = new H5Datatype(Datatype.CLASS_INTEGER,
DATATYPE_SIZE, Datatype.ORDER_BE, -1);
// Create a new file using default properties.
try {
file = new H5File(FILENAME, FileFormat.CREATE);
file.open();
}
catch (Exception e) {
e.printStackTrace();
}
// Create the dataset.
try {
final H5Group rootGrp = (H5Group)file.get("/");
dset = (H5ScalarDS) H5ScalarDS.create("/" + DATASETNAME, rootGrp, typeInt,
dims1, null, null, 0,
dset_data);
}
catch (Exception e) {
e.printStackTrace();
}
// Create a dataset attribute.
try {
attr = new Attribute(DATASETATTRIBUTE, typeInt, dims, attr_data);
}
catch (Exception e) {
e.printStackTrace();
}
// Close the file.
try {
file.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
H5Object_CreateAttribute.CreateDatasetAttribute();
}
}
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