Landscape Layout Rendering Plans are a tool used by Landscape Designers and Architects to portray their vision that computer apps are quickly gaining ground on. When you see art like this though, it makes you wonder if they can ever fully replace landscape design artists like Paul Corsetti.
Landscape designers are artists. They have the innate ability to translate their vision into a 2d drawing that translates their 3d vision on paper. It is an incredible talent really. Here are a few such 2d color renderings by Paul Corsetti. Most are done with marker, but he has been known to do 3d renderings with watercolor.