APPARATUS AND METHOD FOR ROUTE EDITING ASSISTANCE

A route editing assistance device for editing a first route is provided. The route editing assistance device includes an input interface, and processing circuitry. The input interface is configured to accept position information indicating positions of a first set of waypoints representing the first route. The processing circuitry is configured to accept position information indicating positions of a second set of waypoints, wherein the second set of waypoints defines a second route, and generate display data for simultaneously displaying the first route and the second route on a display.