public static ulong[] PrepareAttributeValueSet <T>(long attributeId, ref T[] valueSet, bool isReference)
{
long dataspaceId = -1;
ulong[] dimensionSet;
ulong[] dimensionLimitSet;
dimensionSet = new ulong[] { 0 };
dimensionLimitSet = new ulong[] { 0 };
try
{
dataspaceId = H5A.get_space(attributeId);
H5S.get_simple_extent_dims(dataspaceId, null, dimensionLimitSet);
// merge data
if (dimensionLimitSet[0] == H5S.UNLIMITED)
{
T[] valueSet_File = IOHelper.Read <T>(attributeId, DataContainerType.Attribute);
if (isReference)
{
if (valueSet_File.Count() == 0 || !Enumerable.SequenceEqual(valueSet_File, valueSet.Skip(Math.Max(0, valueSet.Count() - valueSet_File.Count()))))
{
valueSet = valueSet.Concat(valueSet_File).ToArray();
}
}
else
{
if (valueSet.Count() == 0 || !Enumerable.SequenceEqual(valueSet, valueSet_File.Skip(Math.Max(0, valueSet_File.Count() - valueSet.Count()))))
{
valueSet = valueSet_File.Concat(valueSet).ToArray();
}
}
}
}
finally
{
if (H5I.is_valid(dataspaceId) > 0)
{
H5S.close(dataspaceId);
}
}
return(dimensionLimitSet);
}
public static T[] ReadDataset <T>(long locationId, string datasetPath, ulong start = 0, ulong block = 0)
{
long datasetId = -1;
long dataspaceId = -1;
T[] result;
try
{
datasetId = H5D.open(locationId, datasetPath);
if (H5I.is_valid(datasetId) <= 0)
{
throw new Exception(ErrorMessage.IOHelper_CouldNotOpenDataset);
}
if (start == 0 && block == 0)
{
result = IOHelper.Read <T>(datasetId, DataContainerType.Dataset);
}
else
{
dataspaceId = H5D.get_space(datasetId);
if (H5S.select_hyperslab(dataspaceId, H5S.seloper_t.SET, new ulong[] { start }, new ulong[] { 1 }, new ulong[] { block }, new ulong[] { 1 }) < 0)
{
throw new Exception(ErrorMessage.IOHelper_CouldNotSelectHyperslab);
}
result = IOHelper.Read <T>(datasetId, DataContainerType.Dataset, dataspaceId);
}
}
finally
{
if (H5I.is_valid(dataspaceId) > 0)
{
H5S.close(dataspaceId);
}
if (H5I.is_valid(datasetId) > 0)
{
H5D.close(datasetId);
}
}
return(result);
}