void mitk::BaseGeometry::_SetSpacing(const mitk::Vector3D& aSpacing, bool enforceSetSpacing){ if(mitk::Equal(m_Spacing, aSpacing) == false || enforceSetSpacing) { assert(aSpacing[0]>0 && aSpacing[1]>0 && aSpacing[2]>0); m_Spacing = aSpacing; AffineTransform3D::MatrixType::InternalMatrixType vnlmatrix; vnlmatrix = m_IndexToWorldTransform->GetMatrix().GetVnlMatrix(); mitk::VnlVector col; col = vnlmatrix.get_column(0); col.normalize(); col*=aSpacing[0]; vnlmatrix.set_column(0, col); col = vnlmatrix.get_column(1); col.normalize(); col*=aSpacing[1]; vnlmatrix.set_column(1, col); col = vnlmatrix.get_column(2); 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()); } }
void mitk::BaseGeometry::SetExtentInMM(int direction, ScalarType extentInMM) { mitk::ModifiedLock lock(this); ScalarType len = GetExtentInMM(direction); if (fabs(len - extentInMM) >= mitk::eps) { AffineTransform3D::MatrixType::InternalMatrixType vnlmatrix; vnlmatrix = m_GeometryTransform->GetVnlMatrix(); if (len > extentInMM) vnlmatrix.set_column(direction, vnlmatrix.get_column(direction) / len * extentInMM); else vnlmatrix.set_column(direction, vnlmatrix.get_column(direction) * extentInMM / len); Matrix3D matrix; matrix = vnlmatrix; m_GeometryTransform->SetMatrix(matrix); Modified(); } }