Method SetGeometry

Modules/QtWidgets/src/QmitkRenderWindowUtilityWidget.cpp:186–235

}

void QmitkRenderWindowUtilityWidget::SetGeometry(const itk::EventObject& event)
{
  if (!mitk::SliceNavigationController::GeometrySendEvent(nullptr, 0).CheckEvent(&event))
  {
    return;
  }

  const auto* sliceNavigationController = m_BaseRenderer->GetSliceNavigationController();
  auto viewDirection = sliceNavigationController->GetViewDirection();
  unsigned int axis = 0;
  switch (viewDirection)
  {
  case mitk::AnatomicalPlane::Original:
    return;
  case mitk::AnatomicalPlane::Axial:
  {
    axis = 2;
    break;
  }
  case mitk::AnatomicalPlane::Coronal:
  {
    axis = 1;
    break;
  }
  case mitk::AnatomicalPlane::Sagittal:
  {
    axis = 0;
    break;
  }
  }

  const auto* inputTimeGeometry = sliceNavigationController->GetInputWorldTimeGeometry();
  const mitk::BaseGeometry* rendererGeometry = m_BaseRenderer->GetCurrentWorldGeometry();

  mitk::TimeStepType timeStep = sliceNavigationController->GetStepper()->GetPos();
  mitk::BaseGeometry::ConstPointer geometry = inputTimeGeometry->GetGeometryForTimeStep(timeStep);
  if (geometry == nullptr)
    return;

  mitk::AffineTransform3D::MatrixType matrix = geometry->GetIndexToWorldTransform()->GetMatrix();
  matrix.GetVnlMatrix().normalize_columns();
  mitk::AffineTransform3D::MatrixType::InternalMatrixType inverseMatrix = matrix.GetInverse();

  int dominantAxis = itk::Function::Max3(inverseMatrix[0][axis], inverseMatrix[1][axis], inverseMatrix[2][axis]);

  bool referenceGeometryAxisInverted = inverseMatrix[dominantAxis][axis] < 0;
  bool rendererZAxisInverted = rendererGeometry->GetAxisVector(2)[axis] < 0;

  m_SliceNavigationWidget->SetInverseDirection(referenceGeometryAxisInverted != rendererZAxisInverted);
}

void QmitkRenderWindowUtilityWidget::ChangeViewDirection(const QString& viewDirection)
{