| 36 | */ |
| 37 | template <class TTransformType> |
| 38 | void TransferVtkMatrixToItkTransform(const vtkMatrix4x4 *vtkmatrix, TTransformType *itkTransform) |
| 39 | { |
| 40 | if (itkTransform == nullptr) |
| 41 | return; |
| 42 | |
| 43 | typename TTransformType::MatrixType::InternalMatrixType &vnlMatrix = |
| 44 | const_cast<typename TTransformType::MatrixType::InternalMatrixType &>(itkTransform->GetMatrix().GetVnlMatrix()); |
| 45 | |
| 46 | for (int i = 0; i < 3; ++i) |
| 47 | for (int j = 0; j < 3; ++j) |
| 48 | vnlMatrix[i][j] = vtkmatrix->GetElement(i, j); |
| 49 | // *This* ensures m_MatrixMTime.Modified(), which is therewith not equal to |
| 50 | // m_InverseMatrixMTime, thus a new inverse will be calculated (when |
| 51 | // requested). |
| 52 | static_cast<mitk::ItkMatrixHack<TTransformType> *>(itkTransform)->MatrixChanged(); |
| 53 | |
| 54 | typename TTransformType::OffsetType offset; |
| 55 | offset[0] = vtkmatrix->GetElement(0, 3); |
| 56 | offset[1] = vtkmatrix->GetElement(1, 3); |
| 57 | offset[2] = vtkmatrix->GetElement(2, 3); |
| 58 | itkTransform->SetOffset(offset); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * \brief Transfer an ITK transform into a VTK 4x4 matrix. |
no test coverage detected