Method AddOrCreateSingleValueDataset

IO/HDF/vtkHDFWriterImplementation.cxx:667–696

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//------------------------------------------------------------------------------
bool vtkHDFWriter::Implementation::AddOrCreateSingleValueDataset(
  hid_t group, const char* name, vtkIdType value, bool offset, bool trim)
{
  // Assume that when subfiles are set, we don't need to write data unless
  // SubFilesReady is set, which means all subfiles have been written.
  if (!this->Subfiles.empty() && (group != this->StepsGroup || this->Writer->NbPieces > 1))
  {
    if (this->SubFilesReady)
    {
      return this->CreateVirtualDataset(group, name, H5T_STD_I64LE, 1);
    }
    return true;
  }

  if (!H5Lexists(group, name, H5P_DEFAULT))
  {
    // Dataset needs to be created
    return this->CreateSingleValueDataset(group, name, value) != H5I_INVALID_HID;
  }
  else
  {
    // Append the value to an existing dataset
    vtkHDF::ScopedH5DHandle dataset = H5Dopen(group, name, H5P_DEFAULT);
    if (dataset == H5I_INVALID_HID)
    {
      return false;
    }
    return this->AddSingleValueToDataset(dataset, value, offset, trim);
  }
}

//------------------------------------------------------------------------------
bool vtkHDFWriter::Implementation::AddOrCreateFieldDataSizeValueDataset(