cellMatrix.col(2) * m_glWidget->cCells(); modelView.translate(-cellDiagonal*0.5);// Prerotate the camera to look down the specified normalmodelView.prerotate(rotation);// Pretranslate in the negative Z directionmodelView.pretranslate(Eigen::Vector3d(0.0,0.0,-1.5* cellDiagonal.norm())); ...