Method project

tools/Triangle/DimReduction.h:44–46

    public:
        MatrixOut project(const MatrixIn& pts) {
            return (pts.rowwise() - m_mean.transpose()) * m_basis;
        }

        MatrixIn  unproject(const MatrixOut& pts) {
            return (m_basis * pts.transpose()).transpose().rowwise() + m_mean.transpose();