Method UpdateOutputInformation

Modules/Core/src/DataManagement/mitkPointSet.cpp:769–824

}

void mitk::PointSet::UpdateOutputInformation()
{
  if (this->GetSource())
  {
    this->GetSource()->UpdateOutputInformation();
  }

  //
  // first make sure, that the associated time sliced geometry has
  // the same number of geometry 3d's as PointSets are present
  //
  TimeGeometry *timeGeometry = GetTimeGeometry();
  if (timeGeometry->CountTimeSteps() != m_PointSetSeries.size())
  {
    itkExceptionMacro(<< "timeGeometry->CountTimeSteps() != m_PointSetSeries.size() -- use Initialize(timeSteps) with "
                         "correct number of timeSteps!");
  }

  // This is needed to detect zero objects
  mitk::ScalarType nullpoint[] = {0, 0, 0, 0, 0, 0};
  BoundingBox::BoundsArrayType itkBoundsNull(nullpoint);

  //
  // Iterate over the PointSets and update the Geometry
  // information of each of the items.
  //
  if (m_CalculateBoundingBox)
  {
    for (unsigned int i = 0; i < m_PointSetSeries.size(); ++i)
    {
      const DataType::BoundingBoxType *bb = m_PointSetSeries[i]->GetBoundingBox();
      BoundingBox::BoundsArrayType itkBounds = bb->GetBounds();

      if (m_PointSetSeries[i].IsNull() || (m_PointSetSeries[i]->GetNumberOfPoints() == 0) ||
          (itkBounds == itkBoundsNull))
      {
        itkBounds = itkBoundsNull;
        continue;
      }

      // Ensure minimal bounds of 1.0 in each dimension
      for (unsigned int j = 0; j < 3; ++j)
      {
        if (itkBounds[j * 2 + 1] - itkBounds[j * 2] < 1.0)
        {
          BoundingBox::CoordRepType center = (itkBounds[j * 2] + itkBounds[j * 2 + 1]) / 2.0;
          itkBounds[j * 2] = center - 0.5;
          itkBounds[j * 2 + 1] = center + 0.5;
        }
      }
      this->GetGeometry(i)->SetBounds(itkBounds);
    }
    m_CalculateBoundingBox = false;
  }
  this->GetTimeGeometry()->Update();
}

void mitk::PointSet::SetRequestedRegionToLargestPossibleRegion()