The mentioned loads are evaluated visually, optimality of cartographic basis (it facilitates spatial orientation, perception and assimilation of the conveyed information; it should be pointed out that all types of maps should depict hydrographic and settlement networks; also they should represent cartographic grid
and administrative distribution.
Beginning with a study of the use and development of the cartographic grid
in perspective and bird's-eye views, Fiorani traces the intricate relationship between patronage and art, cartography and science, as exemplified in these cycles.
As Lambton explains in his journal, in some parts of the country almost the whole cartographic grid
was measured out from local temples: 'There was scarcely a pagoda [...] in the Mysoor country that was not a station' (Phillimore, ii, 372).
so that he may know what vast power over the world he will soon achieve." And later in his book The Cross, John Donne recognized the religious symbolism of a mathematical coordinate system: "Looke downe, thou spiest out crosses in small things;/ Look up, thou seest byrds rais'd on crossed wings;/ All the Globes frame and spheres, is nothing else/ But the Meridians crossing Parallels." As Samuel Edgerton has put it, "the cartographic grid
of the Renaissance was believed to exude moral power"; it expressed "nothing less than the will of the Almighty to bring all human beings to the worship of Christ under European cultural domination." The globe could now be grasped as a knowable totality and though finite, an expression of God's infinite wisdom.
From the point of view of history, one of the most significant parts of the instruments is their cartographic grids
, discussed in the sixth chapter of the book, "The Cartographic Grids