Method RequestData

IO/IOSS/vtkIOSSWriter.cxx:296–341

----------------------------------------------------------------------------

//----------------------------------------------------------------------------
int vtkIOSSWriter::RequestData(vtkInformation* request,
  vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
  if (!this->FileName || !this->FileName[0])
  {
    vtkErrorMacro("Cannot write without a valid filename!");
    return 0;
  }
  auto& internals = (*this->Internals);
  if (!internals.TimeSteps.empty())
  {
    const auto& currentTime = internals.TimeSteps[internals.CurrentTimeStepIndex];
    // check if timestep should be processed or skipped
    const bool processTimeStep =
      std::find(internals.TimeStepsToProcess.begin(), internals.TimeStepsToProcess.end(),
        currentTime) != internals.TimeStepsToProcess.end();
    if (!processTimeStep)
    {
      ++internals.CurrentTimeStepIndex;
      if (static_cast<size_t>(internals.CurrentTimeStepIndex) < internals.TimeSteps.size())
      {
        request->Set(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING(), 1);
      }
      else
      {
        internals.Initialize();
        request->Remove(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING());
      }
      return 1;
    }
  }

  this->WriteData();

  ++internals.CurrentTimeStepIndex;
  if (static_cast<size_t>(internals.CurrentTimeStepIndex) < internals.TimeSteps.size())
  {
    request->Set(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING(), 1);
  }
  else
  {
    internals.Initialize();
    request->Remove(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING());
  }
  return 1;
}

//----------------------------------------------------------------------------
void vtkIOSSWriter::WriteData()