public static Hdf5Dataset CreateDataset(
Hdf5Identifier _fileId,
Hdf5Path _parentPath,
string _name,
Hdf5DataTypes _datatype,
int _numberOfDimensions,
List <Hdf5DimensionProperty> _properties)
{
Hdf5Path path = _parentPath.Append(_name);
UInt64[] dimensionSize = new UInt64[_numberOfDimensions];
UInt64[] maxSize = null; // new UInt64[_numberOfDimensions];
int i = 0;
foreach (var property in _properties)
{
dimensionSize[i] = property.CurrentSize;
//if (property.MaximumSize == UInt64.MaxValue)
//{
// maxSize[i] = H5S.UNLIMITED;
//}
//else
//{
// maxSize[i] = property.MaximumSize;
//}
i++;
}
Hdf5Identifier dataspaceId = H5S.create_simple(_numberOfDimensions, dimensionSize, maxSize).ToId();
//TODO handle string datasets
Hdf5Identifier typeId = H5T.copy(TypeHelper.GetNativeType(_datatype).Value).ToId();
var status = H5T.set_order(typeId.Value, H5T.order_t.LE);
Hdf5Identifier datasetId = H5D.create(_fileId.Value, path.FullPath, typeId.Value, dataspaceId.Value).ToId();
Hdf5Dataset dataset = null;
if (datasetId.Value > 0)
{
dataset = new Hdf5Dataset(_fileId, datasetId, path.FullPath)
{
DataType = TypeHelper.GetDataTypeFromDataset(datasetId),
Dataspace = DataspaceHelper.GetDataspace(datasetId)
};
H5D.close(datasetId.Value);
}
H5T.close(typeId.Value);
FileHelper.FlushToFile(_fileId);
return(dataset);
}
/// <summary>
/// Currently does not support arrays
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="_objectId"></param>
/// <param name="_title"></param>
/// <param name="_value"></param>
/// <returns></returns>
public static Hdf5Attribute CreateAttribute <T>(Hdf5Identifier _objectId, string _title, T _value)
{
ulong[] sizes = new ulong[1] {
1
};
Hdf5Identifier dataspaceId;
Hdf5Identifier attributeId;
Hdf5Identifier typeId;
Hdf5Attribute attribute = null;
Type type = _value.GetType();
var datatype = TypeHelper.GetDataTypesEnum(type);
if (datatype != Hdf5DataTypes.String)
{
var tempType = TypeHelper.GetNativeType(datatype);
typeId = H5T.copy(tempType.Value).ToId();
var dataTypeObject = TypeHelper.GetDataTypeByType(typeId);
var status = H5T.set_order(typeId.Value, H5T.order_t.LE);
dataspaceId = H5S.create_simple(1, sizes, null).ToId();
attributeId = H5A.create(_objectId.Value, _title, typeId.Value, dataspaceId.Value).ToId();
if (attributeId.Value > 0)
{
WriteValue(dataTypeObject, attributeId, _value);
}
}
else
{
string tempValue = Convert.ToString(_value);
dataspaceId = H5S.create(H5S.class_t.SCALAR).ToId();
typeId = H5T.copy(H5T.C_S1).ToId();
int length = tempValue.Length + 1;
var result = H5T.set_size(typeId.Value, new IntPtr(length));
attributeId = H5A.create(_objectId.Value, _title, typeId.Value, dataspaceId.Value).ToId();
IntPtr valueArray = Marshal.StringToHGlobalAnsi(tempValue);
result = H5A.write(attributeId.Value, typeId.Value, valueArray);
Marshal.FreeHGlobal(valueArray);
}
H5S.close(dataspaceId.Value);
H5T.close(typeId.Value);
H5A.close(attributeId.Value);
if (attributeId.Value > 0)
{
attribute = new Hdf5Attribute
{
Value = _value,
Name = _title,
Id = attributeId
};
}
return(attribute);
}
public static Hdf5Dataset CreateDataset(
Hdf5Identifier _fileId,
Hdf5Path _parentPath,
string _name,
Hdf5DataTypes _datatype,
int _numberOfDimensions,
List <Hdf5DimensionProperty> _properties,
Hdf5CompressionProperty _compressionProperty = null)
{
Hdf5Path path = _parentPath.Append(_name);
UInt64[] dimensionSize = new UInt64[_numberOfDimensions];
UInt64[] maxSize = null; // new UInt64[_numberOfDimensions];
if (_numberOfDimensions != _properties.Count ||
(_compressionProperty != null && _numberOfDimensions != _compressionProperty.ChunkDimensions.Length))
{
throw new Hdf5ArrayDimensionsMismatchException();
}
int i = 0;
foreach (var property in _properties)
{
dimensionSize[i] = property.CurrentSize;
if (_compressionProperty != null && _compressionProperty.ChunkDimensions[i] > property.CurrentSize)
{
throw new Hdf5ArraySizeMismatchException();
}
i++;
}
Hdf5Identifier dataspaceId = H5S.create_simple(_numberOfDimensions, dimensionSize, maxSize).ToId();
//TODO handle string datasets
Hdf5Identifier typeId = H5T.copy(TypeHelper.GetNativeType(_datatype).Value).ToId();
var status = H5T.set_order(typeId.Value, H5T.order_t.LE);
var plist_id = _compressionProperty != null?H5P.create(H5P.DATASET_CREATE) : 0;
if (plist_id != 0)
{
H5P.set_chunk(plist_id, _compressionProperty.ChunkDimensions.Length, _compressionProperty.ChunkDimensions);
H5P.set_deflate(plist_id, _compressionProperty.CompressionLevel);
}
Hdf5Identifier datasetId = H5D.create(_fileId.Value, path.FullPath, typeId.Value, dataspaceId.Value, dcpl_id: plist_id).ToId();
Hdf5Dataset dataset = null;
if (datasetId.Value > 0)
{
dataset = new Hdf5Dataset(_fileId, datasetId, path.FullPath)
{
DataType = TypeHelper.GetDataTypeFromDataset(datasetId),
Dataspace = DataspaceHelper.GetDataspace(datasetId)
};
H5D.close(datasetId.Value);
}
H5T.close(typeId.Value);
if (plist_id != 0)
{
H5P.close(plist_id);
}
FileHelper.FlushToFile(_fileId);
return(dataset);
}