| 563 | } |
| 564 | |
| 565 | Vector3D PlaneGeometry::GetNormal() const |
| 566 | { |
| 567 | Vector3D frontToBack; |
| 568 | frontToBack.SetVnlVector(this->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(2).as_ref()); |
| 569 | |
| 570 | return frontToBack; |
| 571 | } |
| 572 | |
| 573 | VnlVector PlaneGeometry::GetNormalVnl() const |
| 574 | { |