Method SetupOutputData

IO/XML/vtkXMLUnstructuredDataReader.cxx:371–409

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//------------------------------------------------------------------------------
void vtkXMLUnstructuredDataReader::SetupOutputData()
{
  this->Superclass::SetupOutputData();

  // Create the points array.
  vtkPoints* points = vtkPoints::New();

  // Use the configuration of the first piece since all are the same.
  vtkXMLDataElement* ePoints = this->PointElements[0];
  if (ePoints)
  {
    // Non-zero volume.
    vtkAbstractArray* aa = this->CreateArray(ePoints->GetNestedElement(0));
    vtkDataArray* a = vtkArrayDownCast<vtkDataArray>(aa);
    if (a)
    {
      // Allocate the points array.
      a->SetNumberOfTuples(this->GetNumberOfPoints());
      points->SetData(a);
      a->Delete();
    }
    else
    {
      if (aa)
      {
        aa->Delete();
      }
      this->DataError = 1;
    }
  }
  else if (this->NumberOfPoints[0] > 0)
  {
    vtkWarningMacro(
      "No Points element available in first piece found in file. Reading file may fail.");
  }

  vtkPointSet::SafeDownCast(this->GetCurrentOutput())->SetPoints(points);
  points->Delete();
}

//------------------------------------------------------------------------------
int vtkXMLUnstructuredDataReader::ReadPiece(vtkXMLDataElement* ePiece)