In this latest edition of her award-winning guide to Adobe Illustrator, Steuer introduces readers to the expanded features of Illustrator CS5, including the new dynamic perspective grid
, width tool, and artboards panel.
Norman Bryson, on the other hand, has argued that Alberti's perspective grid
and vanishing point, based on the notion of the centric ray, construct a viewing subject that imagines him/herself as the objective focus of representation.
Smart perspective grids
allow users to change the standing point, view point and vanishing point; and when drawing, the lines automatically snap to the vanishing points.
, measuring point systems and layers of flimsy tracing paper were required before you could start the actual final pen and ink or colored illustration.