private void GetGroupDatasetNames(string groupName)
{
H5GroupId h5GroupId = H5G.open(_h5FileId, groupName);
try
{
long dscount = H5G.getNumObjects(h5GroupId);
for (int i = 0; i < dscount; i++)
{
string objname = H5G.getObjectNameByIndex(h5GroupId, (ulong)i);
ObjectInfo objInfo = H5G.getObjectInfo(h5GroupId, objname, false);
switch (objInfo.objectType)
{
case H5GType.DATASET:
if (objInfo.objectType == H5GType.DATASET)
{
if (groupName == "/")
{
_datasetNames.Add(objname);
}
else
{
_datasetNames.Add(groupName + objname);
}
}
break;
case H5GType.GROUP:
if (groupName == "/")
{
GetGroupDatasetNames(objname + "/");
}
else
{
GetGroupDatasetNames(groupName + objname + "/");
}
break;
case H5GType.LINK:
break;
case H5GType.TYPE:
break;
default:
break;
}
}
}
finally
{
if (h5GroupId != null)
{
H5G.close(h5GroupId);
}
}
}
private void createHD5GroupObject(H5GroupId id, String name, ref HDF5GroupObject hdf5Obj)
{
hdf5Obj.GroupID = id;
hdf5Obj.GroupName = name;
long num = H5G.getNumObjects(hdf5Obj.GroupID);
// the items under the group
for (ulong i = 0; i < (ulong)num; i++)
{
String objName = H5G.getObjectNameByIndex(hdf5Obj.GroupID, i);
// get the link info.
//linfo = H5L.getInfo(groupID, objName);
ObjectInfo objInfo = H5G.getObjectInfo(hdf5Obj.GroupID, objName, true);
if (objInfo.objectType == H5GType.GROUP)
{
String pathName = "/" + name + "/" + objName;
if (name.CompareTo("/") == 0)
{
pathName = "/" + objName;
}
H5GroupId groupID = null;
try
{
groupID = H5G.open(hdf5Obj.GroupID, pathName);
HDF5GroupObject subObj = new HDF5GroupObject();
subObj.ShortName = objName;
createHD5GroupObject(groupID, pathName, ref subObj);
hdf5Obj.SubGroups.Add(subObj);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
if (groupID != null)
{
H5G.close(groupID);
}
}
}
else
if (objInfo.objectType == H5GType.DATASET)
{
String pathName = "/" + name + "/" + objName;
HD5DataSetObject dataObject = new HD5DataSetObject();
dataObject.ShortName = objName;
createHD5DataObject(hdf5Obj.GroupID, pathName, ref dataObject);
hdf5Obj.Datasets.Add(dataObject);
}
}
}
public float[] GetBiases(string name, int units)
{
if (name is null)
{
throw new ArgumentNullException(nameof(name));
}
ObjectInfo objectInfo = null;
try {
objectInfo = H5G.getObjectInfo(H5GroupIdModelWeights, $"{name}/{name}/bias:0", true);
} catch {
}
if (objectInfo == null)
{
return(new float[units]);
}
NeuralNetworkAPI.GetDataSet(H5GroupIdModelWeights, $"{name}/{name}/bias:0", out float[] biases, units);
return(biases);
}
public static List <string> GetChildGroupNames(H5GroupId _groupId)
{
List <string> names = new List <string>();
ulong count = (ulong)H5G.getNumObjects(_groupId);;
for (ulong i = 0; i < count; i++)
{
string name = H5G.getObjectNameByIndex(_groupId, i);
ObjectInfo info = H5G.getObjectInfo(_groupId, name, false);
if (info.objectType == H5GType.GROUP)
{
names.Add(name);
}
}
return(names);
}
static void test_group_basics()
{
try
{
Console.Write("Testing group basics");
// Create the file.
H5FileId fileId = H5F.create(FILE_NAME, H5F.CreateMode.ACC_TRUNC);
// Create a group.
H5GroupId groupId = H5G.create(fileId, "/fromRoot");
// Create a dataspace for common use.
hssize_t[] dims = { 1000, 20 };
H5DataSpaceId dspace = H5S.create_simple(RANK, dims);
// Create a dataset using file as location with absolute path name.
H5DataSetId dset1Id = H5D.create(fileId, "/fromRoot/intArray", H5T.H5Type.NATIVE_INT, dspace);
// Create a dataset using group as location with absolute path name.
H5DataSetId dset2Id = H5D.create(groupId, "/fromRoot/shortArray", H5T.H5Type.NATIVE_SHORT, dspace);
// Create a dataset using group as location with relative path name.
H5DataSetId dset3Id = H5D.create(groupId, "notfromRoot", H5T.H5Type.NATIVE_UCHAR, dspace);
ObjectInfo info = H5G.getObjectInfo(fileId, "/fromRoot/intArray", true);
if (info.nHardLinks != 1)
{
Console.WriteLine("\ntest_group_basics: number of hardlinks for /fromRoot/intArray should be = {0}", info.nHardLinks);
}
if (info.objectType != H5GType.DATASET)
{
Console.WriteLine("\ntest_group_basics: Object should be a dataset");
}
// Close objects and files.
H5D.close(dset1Id);
H5D.close(dset2Id);
H5D.close(dset3Id);
H5S.close(dspace);
H5G.close(groupId);
// Check various number of objects.
H5GroupId rootId = H5G.open(fileId, "/");
hssize_t num_objs = H5G.getNumObjects(rootId);
if (num_objs != 1)
{
Console.WriteLine("\ntest_group_basics: incorrect num_objs = {0} for root group\n", num_objs);
nerrors++;
}
groupId = H5G.open(fileId, "fromRoot");
num_objs = H5G.getNumObjects(groupId);
if (num_objs != 3)
{
Console.WriteLine("\ntest_group_basics: incorrect num_objs = {0} for group \"fromRoot\"\n", num_objs);
nerrors++;
}
H5G.close(rootId);
H5G.close(groupId);
H5F.close(fileId);
if (nerrors == 0)
{
Console.WriteLine("\t\t\t\t\tPASSED");
}
}
catch (HDFException anyHDF5E)
{
Console.WriteLine(anyHDF5E.Message);
nerrors++;
}
catch (System.Exception sysE)
{
Console.WriteLine(sysE.TargetSite);
Console.WriteLine(sysE.Message);
nerrors++;
}
} // test_group_basics
public static void runTest()
{
try
{
// We will write and read an int array of this length.
const int DATA_ARRAY_LENGTH = 12;
// Rank is the number of dimensions of the data array.
const int RANK = 1;
// Create an HDF5 file.
// The enumeration type H5F.CreateMode provides only the legal
// creation modes. Missing H5Fcreate parameters are provided
// with default values.
H5FileId fileId = H5F.create("myCSharp.h5",
H5F.CreateMode.ACC_TRUNC);
// Create a HDF5 group.
H5GroupId groupId = H5G.create(fileId, "/cSharpGroup");
H5GroupId subGroup = H5G.create(groupId, "mySubGroup");
// Demonstrate getObjectInfo
ObjectInfo info = H5G.getObjectInfo(fileId, "/cSharpGroup", true);
Console.WriteLine("cSharpGroup header size is {0}", info.headerSize);
Console.WriteLine("cSharpGroup nlinks is {0}", info.nHardLinks);
Console.WriteLine("cSharpGroup fileno is {0} {1}",
info.fileNumber[0], info.fileNumber[1]);
Console.WriteLine("cSharpGroup objno is {0} {1}",
info.objectNumber[0], info.objectNumber[1]);
Console.WriteLine("cSharpGroup type is {0}", info.objectType);
H5G.close(subGroup);
// Prepare to create a data space for writing a 1-dimensional
// signed integer array.
long[] dims = new long[RANK];
dims[0] = DATA_ARRAY_LENGTH;
// Put descending ramp data in an array so that we can
// write it to the file.
int[] dset_data = new int[DATA_ARRAY_LENGTH];
for (int i = 0; i < DATA_ARRAY_LENGTH; i++)
{
dset_data[i] = DATA_ARRAY_LENGTH - i;
}
// Create a data space to accommodate our 1-dimensional array.
// The resulting H5DataSpaceId will be used to create the
// data set.
H5DataSpaceId spaceId = H5S.create_simple(RANK, dims);
// Create a copy of a standard data type. We will use the
// resulting H5DataTypeId to create the data set. We could
// have used the HST.H5Type data directly in the call to
// H5D.create, but this demonstrates the use of H5T.copy
// and the use of a H5DataTypeId in H5D.create.
H5DataTypeId typeId = H5T.copy(H5T.H5Type.NATIVE_INT);
// Find the size of the type
int typeSize = H5T.getSize(typeId);
Console.WriteLine("typeSize is {0}", typeSize);
// Set the order to big endian
H5T.setOrder(typeId, H5T.Order.BE);
// Set the order to little endian
H5T.setOrder(typeId, H5T.Order.LE);
// Create the data set.
H5DataSetId dataSetId = H5D.create(fileId, "/csharpExample",
typeId, spaceId);
// Write the integer data to the data set.
H5D.write(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
new H5Array <int>(dset_data));
// If we were writing a single value it might look like this.
// int singleValue = 100;
// H5D.writeScalar(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
// ref singleValue);
// Create an integer array to receive the read data.
int[] readDataBack = new int[DATA_ARRAY_LENGTH];
// Read the integer data back from the data set
H5D.read(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
new H5Array <int>(readDataBack));
// Echo the data
for (int i = 0; i < DATA_ARRAY_LENGTH; i++)
{
Console.WriteLine(readDataBack[i]);
}
// Close all the open resources.
H5D.close(dataSetId);
// Reopen and close the data sets to show that we can.
dataSetId = H5D.open(fileId, "/csharpExample");
H5D.close(dataSetId);
dataSetId = H5D.open(groupId, "/csharpExample");
H5D.close(dataSetId);
H5S.close(spaceId);
H5T.close(typeId);
H5G.close(groupId);
//int x = 10;
//H5T.enumInsert<int>(typeId, "myString", ref x);
//H5G.close(groupId);
H5GIterateCallback myDelegate;
myDelegate = myFunction;
int x = 9;
int start = 0;
int index = H5G.iterate(fileId, "/cSharpGroup", myDelegate, x, ref start);
// Reopen the group id to show that we can.
groupId = H5G.open(fileId, "/cSharpGroup");
H5G.close(groupId);
H5F.close(fileId);
// Reopen and reclose the file.
H5FileId openId = H5F.open("myCSharp.h5",
H5F.OpenMode.ACC_RDONLY);
H5F.close(openId);
}
// This catches all the HDF exception classes. Because each call
// generates unique exception, different exception can be handled
// separately. For example, to catch open errors we could have used
// catch (H5FopenException openException).
catch (HDFException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Processing complete!");
Console.ReadLine();
}