public void H5Dget_typeTest1()
{
hsize_t[] dims = { 1024, 2048 };
hid_t space = H5S.create_simple(3, dims, null);
hid_t dset = H5D.create(m_v0_test_file, "dset", H5T.STD_I16LE,
space);
Assert.IsTrue(dset >= 0);
hid_t type = H5D.get_type(dset);
Assert.IsTrue(type >= 0);
Assert.IsTrue(H5T.equal(type, H5T.STD_I16LE) > 0);
Assert.IsTrue(H5T.close(type) >= 0);
Assert.IsTrue(H5D.close(dset) >= 0);
dset = H5D.create(m_v2_test_file, "dset", H5T.STD_I16LE,
space);
Assert.IsTrue(dset >= 0);
type = H5D.get_type(dset);
Assert.IsTrue(type >= 0);
Assert.IsTrue(H5T.equal(type, H5T.STD_I16LE) > 0);
Assert.IsTrue(H5T.close(type) >= 0);
Assert.IsTrue(H5D.close(dset) >= 0);
Assert.IsTrue(H5S.close(space) >= 0);
}
public void Put(Array data, ulong[] location = null)
{
ulong[] shape = data.Shape();
WithDataSpace((h5Ref, dsRef) =>
{
long memDataSpace = H5S.ALL;
if (location != null)
{
int selection = H5S.select_none(dsRef);
if (selection < 0)
{
throw new H5SSException("Couldn't clear dataspace selection");
}
ulong[] stride = Ones(shape.Length);
selection = H5S.select_hyperslab(dsRef,
H5S.seloper_t.SET,
location,
stride,
stride,
shape
);
if (selection < 0)
{
throw new H5SSException("Couldn't select hyperslab");
}
memDataSpace = H5S.create_simple(shape.Length, shape, shape);
}
IntPtr iPtr;
var effectiveSize = data.Length * ElementSize;
//if (DataType == HDF5DataType.String)
//{
// // Convert to byte array...
//}
//else
//{
//}
var dtype = H5D.get_type(h5Ref); // Return?
iPtr = CreateNativeArray(data, dtype);
// copy to unmanaged array?
var success = H5D.write(h5Ref, dtype, memDataSpace, dsRef, H5P.DEFAULT, iPtr);
H5T.close(dtype);
if (location != null)
{
H5S.close(memDataSpace);
}
Marshal.FreeHGlobal(iPtr);
if (success < 0)
{
throw new H5SSException(string.Format("Couldn't write to dataset: {0}", this.Path));
}
});
}
private static double[,] ReadDataArray(hid_t fileLoc, string name, bool transpose = false)
{
hid_t dset = H5D.open(fileLoc, name);
hid_t fspace = H5D.get_space(dset);
hid_t count = H5S.get_simple_extent_ndims(fspace);
hid_t type = H5D.get_type(dset);
hsize_t[] dims = new hsize_t[count];
hsize_t[] maxdims = new hsize_t[count];
H5S.get_simple_extent_dims(fspace, dims, maxdims);
H5S.close(fspace);
byte[] rdata = new byte[dims[0] * dims[1] * 8];
hid_t mem_type = H5T.copy(H5T.NATIVE_DOUBLE);
H5T.set_size(mem_type, new IntPtr(8));
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(dset, mem_type, H5S.ALL,
H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
H5T.close(mem_type);
if (transpose)
{
double[,] val = new double[dims[1], dims[0]];
int cnt = 0;
for (int i = 0; i < (int)dims[0]; i++)
{
for (int j = 0; j < (int)dims[1]; j++)
{
val[j, i] = BitConverter.ToDouble(rdata, cnt * 8);
cnt++;
}
}
return(val);
}
else
{
double[,] val = new double[dims[0], dims[1]];
int cnt = 0;
for (int i = 0; i < (int)dims[0]; i++)
{
for (int j = 0; j < (int)dims[1]; j++)
{
val[i, j] = BitConverter.ToDouble(rdata, cnt * 8);
cnt++;
}
}
return(val);
}
}
public Dictionary <string, string> TryReadDataTable(string datasetName)
{
Dictionary <string, string> result = null;
var subDsDic = ds.GetSubDatasets();
if (subDsDic.Count > 0)
{
H5ID h5FileId = H5F.open(fileName, H5F.ACC_RDONLY);
H5ID datasetId = H5D.open(h5FileId, datasetName);
H5ID typeId = H5D.get_type(datasetId);
H5ID spaceId = H5D.get_space(datasetId);
if (H5T.get_class(typeId) == H5T.class_t.COMPOUND)
{
int numCount = H5T.get_nmembers(typeId);
var size = H5T.get_size(typeId);
byte[] buffer = new byte[size.ToInt32()];
GCHandle hnd = GCHandle.Alloc(buffer, GCHandleType.Pinned);
int ndims = H5S.get_simple_extent_ndims(spaceId);
if (ndims == 1)
{
result = new Dictionary <string, string>();
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
for (uint i = 0; i < numCount; i++)
{
string name = Marshal.PtrToStringAnsi(H5T.get_member_name(typeId, i));
int offset = H5T.get_member_offset(typeId, i).ToInt32();
H5ID subTypeId = H5T.get_member_type(typeId, i);
H5T.class_t typeClass = H5T.get_member_class(typeId, i);
string value = ReadBuffer(buffer, offset, typeClass, subTypeId);
result.Add(name, value);
H5T.close(subTypeId);
}
}
hnd.Free();
}
if (spaceId != 0)
{
H5S.close(spaceId);
}
if (typeId != 0)
{
H5T.close(typeId);
}
if (datasetId != 0)
{
H5D.close(datasetId);
}
if (h5FileId != 0)
{
H5F.close(h5FileId);
}
}
return(result);
}
/// <summary>
/// WARNING: ADVANCED USE ONLY!! Loads a 2D generic dataset from an H5 file.
/// The generic loaders only loads data in non-Unity friendly types, such as bytes, uints, longs etc...
/// You'll have to know the correct cast to retrieve usable data.
///
/// Created With help from https://github.com/LiorBanai/HDF5-CSharp/blob/master/HDF5-CSharp/Hdf5Dataset.cs
/// </summary>
/// <param name="filePath"></param>
/// <param name="datasetName"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
/// <exception cref="FileNotFoundException"></exception>
static T[,] Load2DDataset <T>(string filePath, string datasetName)
{
if (!File.Exists(filePath))
{
throw new FileNotFoundException($"Loading dataset {datasetName} from file that doesn't exist {filePath}");
}
long fileId = H5F.open(filePath, H5F.ACC_RDONLY);
T[,] resultArray = new T[2, 2];
try {
ulong[] start = { 0, 0 };
ulong[] count = { 0, 0 };
long datasetId = H5D.open(fileId, datasetName);
var datatype = H5D.get_type(datasetId);
var spaceId = H5D.get_space(datasetId);
int rank = H5S.get_simple_extent_ndims(spaceId);
ulong[] maxDims = new ulong[rank];
ulong[] dims = new ulong[rank];
H5S.get_simple_extent_dims(spaceId, dims, maxDims);
count[0] = dims[0];
count[1] = dims[1];
// Define file hyperslab.
long status = H5S.select_hyperslab(spaceId, H5S.seloper_t.SET, start, null, count, null);
// Define the memory dataspace.
resultArray = new T[dims[0], dims[1]];
var memId = H5S.create_simple(rank, dims, null);
// Define memory hyperslab.
status = H5S.select_hyperslab(memId, H5S.seloper_t.SET, start, null,
count, null);
// Read data from hyperslab in the file into the hyperslab in
// memory and display.
GCHandle handle = GCHandle.Alloc(resultArray, GCHandleType.Pinned);
try {
H5D.read(datasetId, datatype, memId, spaceId,
H5P.DEFAULT, handle.AddrOfPinnedObject());
}
finally {
handle.Free();
H5S.close(status);
H5S.close(memId);
H5S.close(spaceId);
H5D.close(datatype);
H5D.close(datasetId);
}
}
finally {
H5F.close(fileId);
}
return(resultArray);
}
private void UpdateVariableInfo(FileContext fileContext, long variableGroupId)
{
ulong idx;
idx = 0;
_variableGroupSet = IOHelper.UpdateAttributeList(variableGroupId, "group_set", _variableGroupSet.ToArray()).ToList();
if (fileContext.FormatVersion != 1)
{
_unitSet = IOHelper.UpdateAttributeList(variableGroupId, "unit_set", _unitSet.ToArray()).ToList();
_transferFunctionSet = IOHelper.UpdateAttributeList(variableGroupId, "transfer_function_set", _transferFunctionSet.ToArray()).ToList();
}
H5L.iterate(variableGroupId, H5.index_t.NAME, H5.iter_order_t.INC, ref idx, Callback, IntPtr.Zero);
int Callback(long variableGroupId2, IntPtr intPtrName, ref H5L.info_t info, IntPtr userDataPtr)
{
long datasetId = -1;
long typeId_do_not_close = -1;
string name;
DatasetInfo currentDatasetInfo;
try
{
name = Marshal.PtrToStringAnsi(intPtrName);
if (H5L.exists(variableGroupId2, name) > 0)
{
datasetId = H5D.open(variableGroupId2, name);
currentDatasetInfo = _datasetInfoSet.FirstOrDefault(datasetInfo => datasetInfo.Name == name);
if (currentDatasetInfo == null)
{
typeId_do_not_close = H5D.get_type(datasetId);
currentDatasetInfo = new DatasetInfo(name, typeId_do_not_close, this, this.IsLazyLoading);
_datasetInfoSet.Add(currentDatasetInfo);
}
currentDatasetInfo.Update(fileContext);
}
}
finally
{
if (H5I.is_valid(datasetId) > 0)
{
H5D.close(datasetId);
}
}
return(0);
}
}
private static bool IsHDF5String(hid_t fileLoc, string name)
{
hid_t dset = H5D.open(fileLoc, name);
hid_t type = H5D.get_type(dset);
H5T.class_t cl = H5T.get_class(type);
return(cl == H5T.class_t.STRING);
}
/// <summary>
/// Returns the datatype.
/// This assumes that the object is already open
/// </summary>
/// <param name="_objectId"></param>
/// <returns></returns>
public static Hdf5DataType GetDataTypeFromDataset(Hdf5Identifier _objectId)
{
var typeId = H5D.get_type(_objectId.Value).ToId();
if (typeId.Value > 0)
{
return(GetDataTypeByType(typeId));
}
return(null);
}
private ISimpleDataStorage LoadDataset(long sourceFileId, string datasetPath, ulong start, ulong stride, ulong block, ulong count)
{
long datasetId = -1;
long typeId = -1;
Array dataset;
Array dataset_status;
Type genericType;
ExtendedDataStorageBase extendedDataStorage;
ISimpleDataStorage simpleDataStorage;
dataset = IOHelper.ReadDataset(sourceFileId, datasetPath, start, stride, block, count);
// apply status (only if native dataset)
if (H5L.exists(sourceFileId, datasetPath + "_status") > 0)
{
try
{
datasetId = H5D.open(sourceFileId, datasetPath);
typeId = H5D.get_type(datasetId);
dataset_status = IOHelper.ReadDataset(sourceFileId, datasetPath + "_status", start, stride, block, count).Cast <byte>().ToArray();
genericType = typeof(ExtendedDataStorage <>).MakeGenericType(TypeConversionHelper.GetTypeFromHdfTypeId(typeId));
extendedDataStorage = (ExtendedDataStorageBase)Activator.CreateInstance(genericType, dataset, dataset_status);
dataset_status = null;
}
finally
{
if (H5I.is_valid(datasetId) > 0)
{
H5D.close(datasetId);
}
if (H5I.is_valid(typeId) > 0)
{
H5T.close(typeId);
}
}
simpleDataStorage = extendedDataStorage.ToSimpleDataStorage();
extendedDataStorage.Dispose();
return(simpleDataStorage);
}
else
{
return(new SimpleDataStorage(dataset.Cast <double>().ToArray()));
}
}
/// <summary>
/// Reads an n-dimensional dataset.
/// </summary>
/// <typeparam name="T">Generic parameter strings or primitive type</typeparam>
/// <param name="groupId">id of the group. Can also be a file Id</param>
/// <param name="name">name of the dataset</param>
/// <returns>The n-dimensional dataset</returns>
public static Array ReadDatasetToArray <T>(hid_t groupId, string name) //where T : struct
{
var datatype = GetDatatype(typeof(T));
var datasetId = H5D.open(groupId, name);
var spaceId = H5D.get_space(datasetId);
int rank = H5S.get_simple_extent_ndims(spaceId);
long count = H5S.get_simple_extent_npoints(spaceId);
Array dset;
Type type = typeof(T);
if (rank >= 0 && count >= 0)
{
int rankChunk;
ulong[] maxDims = new ulong[rank];
ulong[] dims = new ulong[rank];
ulong[] chunkDims = new ulong[rank];
hid_t memId = H5S.get_simple_extent_dims(spaceId, dims, maxDims);
long[] lengths = dims.Select(d => Convert.ToInt64(d)).ToArray();
dset = Array.CreateInstance(type, lengths);
var typeId = H5D.get_type(datasetId);
var mem_type = H5T.copy(datatype);
if (datatype == H5T.C_S1)
{
H5T.set_size(datatype, new IntPtr(2));
}
var propId = H5D.get_create_plist(datasetId);
if (H5D.layout_t.CHUNKED == H5P.get_layout(propId))
{
rankChunk = H5P.get_chunk(propId, rank, chunkDims);
}
memId = H5S.create_simple(rank, dims, maxDims);
GCHandle hnd = GCHandle.Alloc(dset, GCHandleType.Pinned);
H5D.read(datasetId, datatype, memId, spaceId,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
}
else
{
dset = Array.CreateInstance(type, new long[1] {
0
});
}
H5D.close(datasetId);
H5S.close(spaceId);
return(dset);
}
public static (bool success, IEnumerable <string> result) ReadStrings(long groupId, string name, string alternativeName)
{
var datasetId = H5D.open(groupId, Hdf5Utils.NormalizedName(name));
if (datasetId < 0) //does not exist?
{
datasetId = H5D.open(groupId, Hdf5Utils.NormalizedName(alternativeName));
}
if (datasetId <= 0)
{
Hdf5Utils.LogError?.Invoke($"Error reading {groupId}. Name:{name}. AlternativeName:{alternativeName}");
return(false, Array.Empty <string>());
}
long typeId = H5D.get_type(datasetId);
long spaceId = H5D.get_space(datasetId);
long count = H5S.get_simple_extent_npoints(spaceId);
H5S.close(spaceId);
var strs = new List <string>();
if (count >= 0)
{
IntPtr[] rdata = new IntPtr[count];
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
for (int i = 0; i < rdata.Length; ++i)
{
int len = 0;
while (Marshal.ReadByte(rdata[i], len) != 0)
{
++len;
}
byte[] buffer = new byte[len];
Marshal.Copy(rdata[i], buffer, 0, buffer.Length);
string s = Hdf5Utils.ReadStringBuffer(buffer);
strs.Add(s);
// H5.free_memory(rdata[i]);
}
hnd.Free();
}
H5T.close(typeId);
H5D.close(datasetId);
return(true, strs);
}
public static (long DatasetId, bool IsNew) OpenOrCreateDataset(long locationId, string datasetPath, long datasetTypeId, Func <long> createDatasetCallback)
{
Contract.Requires(createDatasetCallback != null);
long datasetId = -1;
long datasetTypeId_actual = -1;
bool isNew;
try
{
if (IOHelper.CheckLinkExists(locationId, datasetPath))
{
datasetId = H5D.open(locationId, datasetPath);
datasetTypeId_actual = H5D.get_type(datasetId);
if (H5T.equal(datasetTypeId_actual, datasetTypeId) <= 0)
{
throw new Exception($"{ ErrorMessage.IOHelper_DataTypeMismatch } Dataset: '{ datasetPath }'.");
}
isNew = false;
}
else
{
datasetId = createDatasetCallback.Invoke();
isNew = true;
}
if (H5I.is_valid(datasetId) <= 0)
{
throw new Exception($"{ ErrorMessage.IOHelper_CouldNotOpenOrCreateDataset } Dataset: '{ datasetPath }'.");
}
}
finally
{
if (H5I.is_valid(datasetTypeId_actual) > 0)
{
H5T.close(datasetTypeId_actual);
}
}
return(datasetId, isNew);
}
public float[] TryReadFactor(AbstractWarpDataset ds, string datasetName)
{
string dsPath = (ds.hdfOperator as Hdf5Operator).GetDatasetNames.Where(t => t.Contains(datasetName))
.FirstOrDefault();
float[] factor = null;
int h5FileId = H5F.open(ds.fileName, H5F.ACC_RDONLY);
int datasetId = H5D.open(h5FileId, dsPath);
int typeId = H5D.get_type(datasetId);
int spaceId = H5D.get_space(datasetId);
if (H5T.get_class(typeId) == H5T.class_t.FLOAT)
{
var size = H5T.get_size(typeId);
int rank = H5S.get_simple_extent_ndims(spaceId);
ulong[] dims = new ulong[rank];
int err = H5S.get_simple_extent_dims(spaceId, dims, null);
factor = new float[dims[0]];
GCHandle hnd = GCHandle.Alloc(factor, GCHandleType.Pinned);
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
}
if (spaceId != 0)
{
H5S.close(spaceId);
}
if (typeId != 0)
{
H5T.close(typeId);
}
if (datasetId != 0)
{
H5D.close(datasetId);
}
if (h5FileId != 0)
{
H5F.close(h5FileId);
}
return(factor);
}
public static T[,] ReadDataset <T>(int groupId, string name) where T : struct
{
var datatype = GetDatatype(typeof(T));
name = ToHdf5Name(name);
var datasetId = H5D.open(groupId, name);
var spaceId = H5D.get_space(datasetId);
int rank = H5S.get_simple_extent_ndims(spaceId);
long count = H5S.get_simple_extent_npoints(spaceId);
int rankChunk;
ulong[] maxDims = new ulong[rank];
ulong[] dims = new ulong[rank];
ulong[] chunkDims = new ulong[rank];
var memId = H5S.get_simple_extent_dims(spaceId, dims, maxDims);
T[,] dset = new T[dims[0], dims[1]];
var typeId = H5D.get_type(datasetId);
var mem_type = H5T.copy(datatype);
if (datatype == H5T.C_S1)
{
H5T.set_size(datatype, new IntPtr(2));
}
var propId = H5D.get_create_plist(datasetId);
if (H5D.layout_t.CHUNKED == H5P.get_layout(propId))
{
rankChunk = H5P.get_chunk(propId, rank, chunkDims);
}
memId = H5S.create_simple(rank, dims, maxDims);
GCHandle hnd = GCHandle.Alloc(dset, GCHandleType.Pinned);
H5D.read(datasetId, datatype, memId, spaceId,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
H5D.close(typeId);
H5D.close(datasetId);
H5S.close(spaceId);
return(dset);
}
private static string ReadDataCharArray(hid_t fileLoc, string name)
{
hid_t dset = H5D.open(fileLoc, name);
hid_t fspace = H5D.get_space(dset);
hid_t count = H5S.get_simple_extent_ndims(fspace);
hid_t type = H5D.get_type(dset);
hsize_t[] dims = new hsize_t[count];
hsize_t[] maxdims = new hsize_t[count];
H5S.get_simple_extent_dims(fspace, dims, maxdims);
H5S.close(fspace);
byte[] rdata = new byte[dims[0]];
hid_t mem_type = H5T.copy(type);
H5T.set_size(mem_type, new IntPtr(1));
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(dset, mem_type, H5S.ALL,
H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
H5T.close(mem_type);
char[] val = new char[dims[0]];
for (int i = 0; i < (int)dims[0]; i += 2)
{
val[i] = BitConverter.ToChar(rdata, i);
}
return(val.ToString());
}
public static IEnumerable ReadStrings(string filename, string dataset)
{
var f = H5F.open(filename, H5F.ACC_RDONLY);
if (f < 0)
{
throw new Exception("Could not open file: " + filename);
}
var dset = H5D.open(f, Encoding.ASCII.GetBytes(dataset), H5P.DEFAULT);
if (dset < 0)
{
throw new Exception("Could not open dataset: " + dataset);
}
var filetype = H5D.get_type(dset);
var sdim = H5T.get_size(filetype) + 1;
var space = H5D.get_space(dset);
var ndims = H5S.get_simple_extent_ndims(space);
ulong[] dims = new ulong[ndims];
H5S.get_simple_extent_dims(space, dims, null);
var memtype = H5T.copy(H5T.C_S1);
var status = H5T.set_size(memtype, sdim);
int len = (int)(dims[0] * (ulong)sdim * SIZEOF_CHAR);
byte[] buffer = new byte[len];
IntPtr ptr = Marshal.AllocHGlobal(len);
status = H5D.read(dset, memtype, H5S.ALL, H5S.ALL, H5P.DEFAULT, ptr);
Marshal.Copy(ptr, buffer, 0, len);
Marshal.FreeHGlobal(ptr);
string s = Encoding.ASCII.GetString(buffer);
return(s.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries));
}
public static T[] LoadDataset <T>(string filePath, string datasetName)
{
if (!File.Exists(filePath))
{
throw new FileNotFoundException($"Loading dataset {datasetName} from file that doesn't exist {filePath}");
}
long fileId = H5F.open(filePath, H5F.ACC_RDONLY);
T[] resultArray;
try {
long datasetId = H5D.open(fileId, datasetName);
if (datasetId == -1)
{
throw new ArgumentException($"Dataset could not be opened. Check filepath exists and is correct. FilePath = {filePath}");
}
long typeId = H5D.get_type(datasetId);
long spaceID = H5D.get_space(datasetId);
int[] dimensions = GetDatasetDimensions(spaceID);
resultArray = new T[dimensions[0]];
GCHandle gch = GCHandle.Alloc(resultArray, GCHandleType.Pinned);
try {
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL, H5P.DEFAULT, gch.AddrOfPinnedObject());
}
finally {
gch.Free();
H5D.close(typeId);
H5D.close(spaceID);
H5D.close(datasetId);
}
}
finally {
H5F.close(fileId);
}
return(resultArray);
}
public static string ReadUnicodeString(hid_t groupId, string name)
{
hid_t datatype = H5T.create(H5T.class_t.STRING, H5T.VARIABLE);
H5T.set_cset(datatype, H5T.cset_t.UTF8);
H5T.set_strpad(datatype, H5T.str_t.NULLTERM);
var datasetId = H5D.open(groupId, name);
var typeId = H5D.get_type(datasetId);
var classId = H5T.get_class(typeId);
var order = H5T.get_order(typeId);
IntPtr size = H5T.get_size(typeId);
int strLen = (int)size;
var spaceId = H5D.get_space(datasetId);
hid_t count = H5S.get_simple_extent_npoints(spaceId);
IntPtr[] rdata = new IntPtr[count];
byte[] wdata = new byte[strLen];
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(datasetId, datatype, H5S.ALL, H5S.ALL,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
for (int i = 0; i < strLen; i++)
{
Marshal.ReadByte(rdata[0], i);
}
Marshal.Copy(rdata[0], wdata, 0, strLen);
string s = Encoding.UTF8.GetString(wdata);
hnd.Free();
H5S.close(spaceId);
H5T.close(datatype);
H5D.close(datasetId);
return(s);
}
public static string[] LoadStringDataset(string filePath, string dataSetName)
{
//With much Help from: https://stackoverflow.com/questions/23295545/reading-string-array-from-a-hdf5-dataset
long fileId = H5F.open(filePath, H5F.ACC_RDONLY);
string longJoinedString;
int stringLength;
try {
long datasetId = H5D.open(fileId, dataSetName);
long spaceID = H5D.get_space(datasetId);
long dataType = H5D.get_type(datasetId);
int[] dimensions = GetDatasetDimensions(spaceID);
stringLength = (int)H5T.get_size(dataType);
byte[] buffer = new byte[dimensions[0] * stringLength];
GCHandle gch = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try {
H5D.read(datasetId, dataType, H5S.ALL, H5S.ALL, H5P.DEFAULT, gch.AddrOfPinnedObject());
longJoinedString = Encoding.ASCII.GetString(buffer);
}
finally {
gch.Free();
H5D.close(dataType);
H5D.close(spaceID);
H5D.close(datasetId);
}
}
finally {
H5F.close(fileId);
}
return(longJoinedString.SplitInParts(stringLength).Select(ss => (string)(object)ss).ToArray());
}
public static string ReadUnicodeString(hid_t groupId, string name)
{
hid_t datatype = H5T.create(H5T.class_t.STRING, H5T.VARIABLE);
H5T.set_cset(datatype, H5T.cset_t.UTF8);
H5T.set_strpad(datatype, H5T.str_t.SPACEPAD);
var datasetId = H5D.open(groupId, name);
var typeId = H5D.get_type(datasetId);
var classId = H5T.get_class(typeId);
var order = H5T.get_order(typeId);
IntPtr size = H5T.get_size(typeId);
int strLen = (int)size;
var spaceId = H5D.get_space(datasetId);
byte[] wdata = new byte[strLen];
//IntPtr ptr = new IntPtr();
GCHandle hnd = GCHandle.Alloc(wdata, GCHandleType.Pinned);
H5D.read(datasetId, datatype, H5S.ALL, H5S.ALL,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
//int len = 0;
//while (Marshal.ReadByte(ptr, len) != 0) { ++len; }
//byte[] name_buf = new byte[len];
//Marshal.Copy(ptr, name_buf, 0, len);
string s = Encoding.UTF8.GetString(wdata);
H5S.close(spaceId);
H5T.close(datatype);
H5D.close(datasetId);
return(s);
}
private static double[] ReadDataVector(hid_t fileLoc, string name)
{
hid_t dset = H5D.open(fileLoc, name);
hid_t fspace = H5D.get_space(dset);
hid_t count = H5S.get_simple_extent_ndims(fspace);
hid_t type = H5D.get_type(dset);
hsize_t[] dims = new hsize_t[count];
hsize_t[] maxdims = new hsize_t[count];
H5S.get_simple_extent_dims(fspace, dims, maxdims);
H5S.close(fspace);
byte[] rdata = new byte[dims[0] * 8];
hid_t mem_type = H5T.copy(H5T.NATIVE_DOUBLE);
H5T.set_size(mem_type, new IntPtr(8));
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(dset, mem_type, H5S.ALL,
H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
H5T.close(mem_type);
double[] val = new double[dims[0]];
for (int i = 0; i < (int)dims[0]; i++)
{
val[i] = BitConverter.ToDouble(rdata, i * 8);
}
return(val);
}
private static string ReadDataString(hid_t fileLoc, string name)
{
hid_t dset = H5D.open(fileLoc, name);
hid_t type = H5D.get_type(dset);
// H5T.is_variable_str(type);
IntPtr size = H5T.get_size(type);
hid_t fspace = H5D.get_space(dset);
hid_t mem_type = H5T.copy(type);
H5T.set_size(mem_type, size);
byte[] buffer = new byte[size.ToInt32()];
GCHandle hnd = GCHandle.Alloc(buffer, GCHandleType.Pinned);
H5D.read(dset, mem_type, H5S.ALL,
H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
H5T.close(mem_type);
// remove the last "/0"
if (buffer[buffer.Length - 1] == 0)
{
byte[] buffer2 = new byte[buffer.Length - 1];
for (int i = 0; i < buffer2.Length; i++)
{
buffer2[i] = buffer[i];
}
return(ASCIIEncoding.ASCII.GetString(buffer2));
}
return(ASCIIEncoding.ASCII.GetString(buffer));
}
public Array Get()
{
Array result = null;
WithDataSpace((h5Ref, dsRef) =>
{
var success = H5S.select_none(dsRef);
if (success < 0)
{
throw new H5SSException("Error with dataspace: select_none");
}
success = H5S.select_all(dsRef);
if (success < 0)
{
throw new H5SSException("Error with dataspace: select_all");
}
int selectElemNpoints = (int)H5S.get_select_npoints(dsRef);
var effectiveSize = ElementSize * selectElemNpoints;
if (DataType == HDF5DataType.String)
{
effectiveSize *= _stringLength;
}
IntPtr iPtr = Marshal.AllocHGlobal(effectiveSize); // TODO Deallocate
try
{
var dtype = H5D.get_type(h5Ref); // Return?
success = H5D.read(h5Ref, dtype, H5S.ALL, dsRef, H5P.DEFAULT, iPtr);
H5T.close(dtype);
if (success < 0)
{
throw new H5SSException("Error reading dataset");
}
var tmp = CreateClrArray(iPtr, selectElemNpoints);
var shape = Shape.Select(ul => (long)ul).ToArray();
if (ClrType == typeof(byte))
{
shape = shape.Concat(new[] { (long)_stringLength }).ToArray();
}
result = Array.CreateInstance(ClrType, shape);
Buffer.BlockCopy(tmp, 0, result, 0, effectiveSize);
}
finally
{
Marshal.FreeHGlobal(iPtr);
}
// Convert bytes to characters...
if (DataType == HDF5DataType.String)
{
byte[,] byteArray = (byte[, ])result;
result = Enumerable.Range(0, byteArray.GetLength(0)).Select(i =>
{
var slice = Enumerable.Range(0, byteArray.GetLength(1)).Select(j => byteArray[i, j]).ToArray();
//return System.Text.Encoding.Default.GetString(slice);
return(Encoding.ASCII.GetString(slice).TrimEnd((Char)0));
}).ToArray();
}
H5S.get_simple_extent_dims(dsRef, _shape, _maxDims); // WTF?
});
return(result);
}
public Dictionary <string, string> GetDatasetAttributes(string originalDatasetName)
{
H5DataSetId datasetId = 0;
H5GroupId groupId = 0;
H5DataTypeId typeId = 0;
H5DataSpaceId spaceId = 0;
try
{
if (_h5FileId < 0)
{
return(null);
}
string datasetName = GetDatasetFullNames(originalDatasetName, _h5FileId);
if (string.IsNullOrEmpty(datasetName))
{
return(null);
}
int groupIndex = datasetName.LastIndexOf('/');
if (groupIndex == -1)
{
datasetId = H5D.open(_h5FileId, datasetName);
}
else
{
string groupName = datasetName.Substring(0, groupIndex + 1);
string dsName = datasetName.Substring(groupIndex + 1);
groupId = H5G.open(_h5FileId, groupName);
datasetId = H5D.open(groupId, dsName);
}
if (datasetId == 0)
{
return(null);
}
Dictionary <string, string> attValues = new Dictionary <string, string>();
typeId = H5D.get_type(datasetId);
H5T.class_t type = H5T.get_class(typeId);
IntPtr tSize = H5T.get_size(typeId);
spaceId = H5D.get_space(datasetId);
int length = H5S.get_simple_extent_ndims(spaceId);
ulong[] dims = new ulong[length];
H5S.get_simple_extent_dims(spaceId, dims, null);
ulong storageSize = H5D.get_storage_size(datasetId);
attValues.Add("DataSetName", datasetName);
attValues.Add("DataType", type.ToString());
attValues.Add("DataTypeSize", tSize.ToString() + "Byte");
attValues.Add("Dims", String.Join("*", dims));
attValues.Add("StorageSize", storageSize.ToString() + "Byte");
//所有Attributes的键
ArrayList arrayList = new ArrayList();
GCHandle handle = GCHandle.Alloc(arrayList);
ulong n = 0;
// the callback is defined in H5ATest.cs
H5A.operator_t cb = (int location_id, IntPtr attr_name, ref H5A.info_t ainfo, IntPtr op_data) =>
{
GCHandle hnd = (GCHandle)op_data;
ArrayList al = (hnd.Target as ArrayList);
int len = 0;
while (Marshal.ReadByte(attr_name, len) != 0)
{
++len;
}
byte[] buf = new byte[len];
Marshal.Copy(attr_name, buf, 0, len);
al.Add(Encoding.UTF8.GetString(buf));
return(0);
};
H5A.iterate(datasetId, H5.index_t.NAME, H5.iter_order_t.NATIVE, ref n, cb, (IntPtr)handle);
handle.Free();
foreach (string attName in arrayList)
{
attValues.Add(attName, ReadAttributeValue(datasetId, attName));
}
return(attValues);
}
finally
{
if (spaceId != 0)
{
H5S.close(spaceId);
}
if (typeId != 0)
{
H5T.close(typeId);
}
if (datasetId != 0)
{
H5D.close(datasetId);
}
if (groupId != 0)
{
H5G.close(groupId);
}
}
}
public Task <string> GetData(DateTime dateTimeBegin, DateTime dateTimeEnd, string sampleRateDescription, FileFormat fileFormat, FileGranularity fileGranularity, Dictionary <string, Dictionary <string, List <string> > > campaignInfoSet)
{
long fileId = -1;
long datasetId = -1;
ulong start;
ulong stride;
ulong block;
ulong count;
ulong segmentLength;
ulong segmentSize;
ulong bytesPerRow;
double sampleRate;
DateTime epochStart;
DateTime epochEnd;
string zipFilePath;
// task
return(Task.Run(() =>
{
this.CheckState();
if (!campaignInfoSet.Any())
{
return string.Empty;
}
// zip file
zipFilePath = Path.Combine(_options.SupportDirectoryPath, "EXPORT", $"OneDAS_{ dateTimeBegin.ToString("yyyy-MM-ddTHH-mm") }_{ sampleRateDescription }_{ Guid.NewGuid().ToString() }.zip");
// sampleRate
sampleRate = sampleRateDescription.ToSampleRate();
// epoch & hyperslab
epochStart = new DateTime(2000, 01, 01);
epochEnd = new DateTime(2030, 01, 01);
if (!(epochStart <= dateTimeBegin && dateTimeBegin <= dateTimeEnd && dateTimeEnd <= epochEnd))
{
throw new Exception("requirement >> epochStart <= dateTimeBegin && dateTimeBegin <= dateTimeEnd && dateTimeBegin <= epochEnd << is not matched");
}
start = (ulong)(Math.Floor((dateTimeBegin - epochStart).TotalSeconds * sampleRate));
stride = 1;
block = (ulong)(Math.Ceiling((dateTimeEnd - dateTimeBegin).TotalSeconds * sampleRate));
count = 1;
try
{
// open file
fileId = H5F.open(_options.VdsFilePath, H5F.ACC_RDONLY);
// byte count
bytesPerRow = 0;
foreach (var campaignInfo in campaignInfoSet)
{
foreach (var variableInfo in campaignInfo.Value)
{
foreach (string datasetInfo in variableInfo.Value)
{
try
{
datasetId = H5D.open(fileId, $"{ campaignInfo.Key }/{ variableInfo.Key }/{ datasetInfo }");
bytesPerRow += (ulong)OneDasUtilities.SizeOf(TypeConversionHelper.GetTypeFromHdfTypeId(H5D.get_type(datasetId)));
}
finally
{
if (H5I.is_valid(datasetId) > 0)
{
H5D.close(datasetId);
}
}
}
}
}
this.GetClient().SendByteCount(bytesPerRow * block);
segmentSize = (50 * 1024 * 1024) / bytesPerRow * bytesPerRow;
segmentLength = segmentSize / bytesPerRow;
// ensure that dataset length is multiple of 1 minute
if ((segmentLength / sampleRate) % 60 != 0)
{
segmentLength = (ulong)((ulong)(segmentLength / sampleRate / 60) * 60 * sampleRate);
}
// start
_stateManager.SetState(this.Context.ConnectionId, HdfExplorerState.Loading);
using (ZipArchive zipArchive = ZipFile.Open(zipFilePath, ZipArchiveMode.Create))
{
foreach (var campaignInfo in campaignInfoSet)
{
HdfDataLoader hdfDataLoader;
hdfDataLoader = new HdfDataLoader(_stateManager.GetToken(this.Context.ConnectionId));
hdfDataLoader.ProgressUpdated += this.OnProgressUpdated;
if (!hdfDataLoader.WriteZipFileCampaignEntry(zipArchive, fileGranularity, fileFormat, new ZipSettings(dateTimeBegin, campaignInfo, fileId, sampleRate, start, stride, block, count, segmentLength)))
{
return string.Empty;
}
}
}
}
catch (Exception ex)
{
this.WriteLogEntry(ex.Message, true);
throw;
}
finally
{
_stateManager.SetState(this.Context.ConnectionId, HdfExplorerState.Idle);
if (H5I.is_valid(fileId) > 0)
{
H5F.close(fileId);
}
}
this.WriteLogEntry($"{ this.Context.GetHttpContext().Connection.RemoteIpAddress } requested data: { dateTimeBegin.ToString("yyyy-MM-dd HH:mm:ss") } to { dateTimeEnd.ToString("yyyy-MM-dd HH:mm:ss") }", false);
return $"download/{ Path.GetFileName(zipFilePath) }";
}, _stateManager.GetToken(this.Context.ConnectionId)));
}
public bool WriteZipFileCampaignEntry(ZipArchive zipArchive, FileGranularity fileGranularity, FileFormat fileFormat, ZipSettings zipSettings)
{
IList <VariableDescription> variableDescriptionSet;
IList <CustomMetadataEntry> customMetadataEntrySet;
ZipArchiveEntry zipArchiveEntry;
DataWriterExtensionLogicBase dataWriter;
DataWriterExtensionSettingsBase settings;
DataWriterContext dataWriterContext;
string directoryPath;
string[] campaignName_splitted;
string[] filePathSet;
int currentFile;
int fileCount;
// build variable descriptions
variableDescriptionSet = new List <VariableDescription>();
zipSettings.CampaignInfo.Value.ToList().ForEach(variableInfo =>
{
variableInfo.Value.ForEach(datasetName =>
{
long groupId = -1;
long typeId = -1;
long datasetId = -1;
string displayName;
string groupName;
string unit;
ulong samplesPerDay;
OneDasDataType oneDasDataType;
hdf_transfer_function_t[] hdf_transfer_function_t_set;
List <TransferFunction> transferFunctionSet;
try
{
groupId = H5G.open(zipSettings.SourceFileId, $"{ zipSettings.CampaignInfo.Key }/{ variableInfo.Key }");
datasetId = H5D.open(groupId, datasetName);
typeId = H5D.get_type(datasetId);
displayName = IOHelper.ReadAttribute <string>(groupId, "name_set").Last();
groupName = IOHelper.ReadAttribute <string>(groupId, "group_set").Last();
unit = IOHelper.ReadAttribute <string>(groupId, "unit_set").LastOrDefault();
hdf_transfer_function_t_set = IOHelper.ReadAttribute <hdf_transfer_function_t>(groupId, "transfer_function_set");
transferFunctionSet = hdf_transfer_function_t_set.Select(tf => new TransferFunction(DateTime.ParseExact(tf.date_time, "yyyy-MM-ddTHH-mm-ssZ", CultureInfo.InvariantCulture), tf.type, tf.option, tf.argument)).ToList();
oneDasDataType = OneDasUtilities.GetOneDasDataTypeFromType(TypeConversionHelper.GetTypeFromHdfTypeId(typeId));
samplesPerDay = OneDasUtilities.GetSamplesPerDayFromString(datasetName);
variableDescriptionSet.Add(new VariableDescription(new Guid(variableInfo.Key), displayName, datasetName, groupName, oneDasDataType, samplesPerDay, unit, transferFunctionSet, typeof(ISimpleDataStorage)));
}
finally
{
if (H5I.is_valid(datasetId) > 0)
{
H5D.close(datasetId);
}
if (H5I.is_valid(groupId) > 0)
{
H5G.close(groupId);
}
if (H5I.is_valid(typeId) > 0)
{
H5T.close(typeId);
}
}
});
});
dataWriter = null; // REMOVE ONE IMPLEMENTED PROPERLY
switch (fileFormat)
{
case FileFormat.CSV:
//settings = new CsvSettings() { FileGranularity = fileGranularity };
//dataWriter = new CsvWriter((CsvSettings)settings, new LoggerFactory());
break;
case FileFormat.GAM:
//settings = new GamSettings() { FileGranularity = fileGranularity };
//dataWriter = new GamWriter((GamSettings)settings, new LoggerFactory());
break;
case FileFormat.MAT73:
//settings = new Mat73Settings() { FileGranularity = fileGranularity };
//dataWriter = new Mat73Writer((Mat73Settings)settings, new LoggerFactory());
break;
default:
throw new NotImplementedException();
}
// create temp directory
directoryPath = Path.Combine(Path.GetTempPath(), "OneDas.Hdf.Explorer", Guid.NewGuid().ToString());
Directory.CreateDirectory(directoryPath);
// create custom meta data
customMetadataEntrySet = new List <CustomMetadataEntry>();
//customMetadataEntrySet.Add(new CustomMetadataEntry("system_name", "HDF Explorer", CustomMetadataEntryLevel.File));
// initialize data writer
campaignName_splitted = zipSettings.CampaignInfo.Key.Split('/');
dataWriterContext = new DataWriterContext("HDF Explorer", directoryPath, new OneDasCampaignDescription(Guid.Empty, 0, campaignName_splitted[1], campaignName_splitted[2], campaignName_splitted[3]), customMetadataEntrySet);
dataWriter.Configure(dataWriterContext, variableDescriptionSet);
// create temp files
try
{
if (!this.CreateFiles(dataWriter, zipSettings))
{
this.CleanUp(directoryPath);
return(false);
}
}
finally
{
dataWriter.Dispose();
}
// write zip archive entries
filePathSet = Directory.GetFiles(directoryPath, "*", SearchOption.AllDirectories);
currentFile = 0;
fileCount = filePathSet.Count();
foreach (string filePath in filePathSet)
{
zipArchiveEntry = zipArchive.CreateEntry(Path.GetFileName(filePath), CompressionLevel.Optimal);
this.OnProgressUpdated(new ProgressUpdatedEventArgs(currentFile / (double)fileCount * 100, $"Writing file { currentFile + 1 } / { fileCount } to ZIP archive ..."));
using (FileStream fileStream = File.Open(filePath, FileMode.Open, FileAccess.Read))
{
using (Stream zipArchiveEntryStream = zipArchiveEntry.Open())
{
fileStream.CopyTo(zipArchiveEntryStream);
}
}
currentFile++;
}
this.CleanUp(directoryPath);
return(true);
}
static void Main_Read(string[] args)
{
int DATA_ARRAY_LENGTH = 5;
//var h5 = H5F.open(@"E:\HDF5\HDF5DotNet-src\examples\CSharpExample\CSharpExample1\table.h5", H5F.ACC_RDONLY);
//var h5 = H5F.open(@"D:\test.h5", H5F.ACC_RDONLY);
//var h5 = H5F.open(@"E:\HDF5\Hdf5DotnetTools-master\ToolTest\bin\Debug\table.h5", H5F.ACC_RDONLY);
var h5 = H5F.open(@"E:\HDF5\test_gzip.h5", H5F.ACC_RDONLY);
var dataset = H5D.open(h5, "trans_detail/20160929");
var spaceid = H5D.get_space(dataset);
var npoints = H5S.get_simple_extent_npoints(spaceid);
//var dims = H5S.get_simple_extent_dims(spaceid);
int rank = H5S.get_simple_extent_ndims(spaceid);
// 是不是不能用自己的type
var dtype = H5D.get_type(dataset);
var dtcls = H5T.get_class(dtype);
var size = H5T.get_size(dtype);
var sz = Marshal.SizeOf(typeof(ComType));
var dtype_n = H5T.get_nmembers(dtype);
for (uint i = 0; i < dtype_n; ++i)
{
var x = H5T.get_member_name(dtype, i);
var x4 = Marshal.PtrToStringAnsi(x);
var y = H5T.get_member_type(dtype, i);
var z = H5T.get_class(y);
var x1 = H5T.get_member_offset(dtype, i);
var x3 = H5T.get_size(y);
Console.WriteLine(x4);
Console.WriteLine(z);
Console.WriteLine(x1);
//var x2 = Marshal.OffsetOf(typeof(ComType), x4).ToInt32();
//Console.WriteLine(x2);
Console.WriteLine(x3);
}
int ss1 = Marshal.SizeOf(typeof(ComType));
IntPtr p = Marshal.AllocHGlobal(ss1 * 11);
H5D.read(dataset, dtype, H5S.ALL, H5S.ALL, H5P.DEFAULT, p);
var s = Marshal.PtrToStructure(p, typeof(ComType));
Console.WriteLine(s);
var s2 = Marshal.PtrToStructure(p + ss1, typeof(ComType));
Console.WriteLine(s2);
var s3 = Marshal.PtrToStructure(p + ss1 * 4, typeof(ComType));
Console.WriteLine(s3);
var s4 = Marshal.PtrToStructure(p + ss1 * 5, typeof(ComType));
Console.WriteLine(s4);
var s6 = Marshal.PtrToStructure(p + ss1 * 10, typeof(ComType));
Console.WriteLine(s6);
}
/// <summary>
/// Read the appropriate H5Type from a *dataset* with ID `dset_id`.
/// </summary>
public static H5Type FromDataset(hid_t dset_id)
{
return(new H5Type(H5D.get_type(dset_id)));
}
public static string ReadUnicodeString(hid_t groupId, string name)
{
var datasetId = H5D.open(groupId, name);
var typeId = H5D.get_type(datasetId);
if (H5T.is_variable_str(typeId) > 0)
{
var spaceId = H5D.get_space(datasetId);
hid_t count = H5S.get_simple_extent_npoints(spaceId);
IntPtr[] rdata = new IntPtr[count];
GCHandle hnd = GCHandle.Alloc(rdata, GCHandleType.Pinned);
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL,
H5P.DEFAULT, hnd.AddrOfPinnedObject());
var attrStrings = new List <string>();
for (int i = 0; i < rdata.Length; ++i)
{
int attrLength = 0;
while (Marshal.ReadByte(rdata[i], attrLength) != 0)
{
++attrLength;
}
byte[] buffer = new byte[attrLength];
Marshal.Copy(rdata[i], buffer, 0, buffer.Length);
string stringPart = Encoding.UTF8.GetString(buffer);
attrStrings.Add(stringPart);
H5.free_memory(rdata[i]);
}
hnd.Free();
H5S.close(spaceId);
H5D.close(datasetId);
return(attrStrings[0]);
}
// Must be a non-variable length string.
int size = H5T.get_size(typeId).ToInt32();
IntPtr iPtr = Marshal.AllocHGlobal(size);
int result = H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL,
H5P.DEFAULT, iPtr);
if (result < 0)
{
throw new IOException("Failed to read dataset");
}
var strDest = new byte[size];
Marshal.Copy(iPtr, strDest, 0, size);
Marshal.FreeHGlobal(iPtr);
H5D.close(datasetId);
return(Encoding.UTF8.GetString(strDest).TrimEnd((Char)0));
}
private List <float[]> ReadDataSetToSingle(AbstractWarpDataset srcbandpro, int[] bands)
{
List <float[]> datas = new List <float[]>();
var prjBands = PrjBandTable.GetPrjBands(srcbandpro);
H5ID h5FileId = H5F.open(srcbandpro.fileName, H5F.ACC_RDONLY);
foreach (int index in bands)
{
//Single[] data = new Single[srcSize.Width * srcSize.Height];
var bandIndex = prjBands[index - 1].DataSetIndex;
string dsName = "CALChannel" + bandIndex.ToString("00");
H5ID datasetId = H5D.open(h5FileId, dsName);
if (datasetId <= 0)
{
throw new ArgumentNullException(string.Format("FY4辐射定标，未找到名称为{0}的数据.",
"CALChannel" + index.ToString("00")));
}
H5ID typeId = H5D.get_type(datasetId);
H5ID spaceId = H5D.get_space(datasetId);
if (H5T.get_class(typeId) == H5T.class_t.FLOAT)
{
int rank = H5S.get_simple_extent_ndims(spaceId);
ulong[] dims = new ulong[rank];
ulong[] maxDims = new ulong[rank];
H5S.get_simple_extent_dims(spaceId, dims, maxDims);
float[] buffer = new float[dims[0]];
GCHandle hnd = GCHandle.Alloc(buffer, GCHandleType.Pinned);
H5D.read(datasetId, typeId, H5S.ALL, H5S.ALL, H5P.DEFAULT, hnd.AddrOfPinnedObject());
hnd.Free();
if (buffer.Any(t => t > Math.Pow(10, 10) || t < -Math.Pow(10, 10)))
{
for (int i = 0; i < buffer.Length; i++)
{
var t = BitConverter.GetBytes(buffer[i]);
Array.Reverse(t);
buffer[i] = BitConverter.ToSingle(t, 0);
}
}
datas.Add(buffer);
}
if (spaceId != 0)
{
H5S.close(spaceId);
}
if (typeId != 0)
{
H5T.close(typeId);
}
if (datasetId != 0)
{
H5D.close(datasetId);
}
}
if (h5FileId != 0)
{
H5F.close(h5FileId);
}
return(datas);
}