Method PrepareSummaryFile

IO/ParallelXML/vtkXMLPDataObjectWriter.cxx:202–218

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//------------------------------------------------------------------------------
void vtkXMLPDataObjectWriter::PrepareSummaryFile()
{
  if (this->Controller && this->Controller->GetNumberOfProcesses() > 1)
  {
    assert(this->PieceWrittenFlags != nullptr);
    // Reduce information about which pieces were written out to rank 0.
    int myId = this->Controller->GetLocalProcessId();
    unsigned char* recvBuffer = (myId == 0) ? new unsigned char[this->NumberOfPieces] : nullptr;
    this->Controller->Reduce(
      this->PieceWrittenFlags, recvBuffer, this->NumberOfPieces, vtkCommunicator::MAX_OP, 0);
    if (myId == 0)
    {
      std::swap(this->PieceWrittenFlags, recvBuffer);
    }
    delete[] recvBuffer;
  }
}

//------------------------------------------------------------------------------
int vtkXMLPDataObjectWriter::WriteData()