Thinking without Vitruvius? Diagrams as Design Tools for Garden Architecture in the Northern Renaissance

As it is generally understood the design process of gardens and garden architectures in the Northern Renaissance relies on ground plans, elevations, profiles and perspectives. But considering the complexity of gardens and their architectures I am interested just how these structures could have been developed in the designing process. Fig. 1 Hans Vredeman de Vries: the garden in style and manner of the dorica. Image or diagram of an ideal garden, Hortorum viridariorumque [...] 1583. In that c...