1. A method of routing directly on images, the method comprising: identifying a point selected on an initial image; determining an image pixel of the initial image corresponding to the identified point, the image pixel of the initial image representing an origin; and generating a route from the origin to a destination, wherein the destination corresponds to another image pixel, and wherein the route comprises a connection between the origin and the destination via intermediate image pixels between the image pixel of the initial image and the other image pixel.