Method SetSpacing

Modules/Core/src/DataManagement/mitkGeometryTransformHolder.cpp:142–175

#Documentation # @brief Set the spacing. # #The spacing is also changed in the IndexToWorldTransform.

  //##
  //##The spacing is also changed in the IndexToWorldTransform.
  void GeometryTransformHolder::SetSpacing(const mitk::Vector3D &aSpacing, bool enforceSetSpacing)
  {
    if (mitk::Equal(this->GetSpacing(), aSpacing) == false || enforceSetSpacing)
    {
      assert(aSpacing[0] > 0 && aSpacing[1] > 0 && aSpacing[2] > 0);

      AffineTransform3D::MatrixType::InternalMatrixType vnlmatrix;

      vnlmatrix = m_IndexToWorldTransform->GetMatrix().GetVnlMatrix();

      mitk::VnlVector col;
      col = vnlmatrix.get_column(0).as_ref();
      col.normalize();
      col *= aSpacing[0];
      vnlmatrix.set_column(0, col);
      col = vnlmatrix.get_column(1).as_ref();
      col.normalize();
      col *= aSpacing[1];
      vnlmatrix.set_column(1, col);
      col = vnlmatrix.get_column(2).as_ref();
      col.normalize();
      col *= aSpacing[2];
      vnlmatrix.set_column(2, col);

      Matrix3D matrix;
      matrix = vnlmatrix;

      AffineTransform3D::Pointer transform = AffineTransform3D::New();
      transform->SetMatrix(matrix);
      transform->SetOffset(m_IndexToWorldTransform->GetOffset());

      SetIndexToWorldTransform(transform.GetPointer());
    }
  }

  //##Documentation
  //## @brief Get the transformation used to convert from index