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H5Object_CreateAttribute.java
79 lines (69 loc) · 2.29 KB
/
H5Object_CreateAttribute.java
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//
// Creating a dataset attribute.
package intro;
import hdf.object.Datatype;
import hdf.object.FileFormat;
import hdf.object.h5.H5Datatype;
import hdf.object.h5.H5File;
import hdf.object.h5.H5Group;
import hdf.object.h5.H5ScalarAttr;
import 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;
H5ScalarAttr 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};
H5Datatype typeInt = null;
// Create a new file using default properties.
try {
file = new H5File(FILENAME, FileFormat.CREATE);
file.open();
}
catch (Exception e) {
e.printStackTrace();
}
// Create the datatype.
try {
typeInt =
new H5Datatype(Datatype.CLASS_INTEGER, DATATYPE_SIZE, Datatype.ORDER_BE, Datatype.NATIVE);
}
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 H5ScalarAttr(dset, 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(); }
}