Patent ID: 8515658

Claim:
A method for managing presentation of a navigational chart on a touchscreen display device, the method comprising: receiving an input of an unrestricted shape at any location on a surface of the touchscreen display device while the navigational chart is presented; identifying, using a processor unit connected to the touchscreen display device, a number of portions of the navigational chart corresponding to the surface on which the input was received, wherein identifying comprises: determining a touchscreen display device coordinate of the input, and combining the touchscreen display device coordinate of the input with coordinates on the navigational chart presented, at the location corresponding to the input received, and further wherein the number of portions comprise input that does not create a route; and presenting a number of graphical indications on the navigational chart in association with each of the number of portions identified by the processor unit, wherein the graphical indications comprise a translucent overlay over the navigational chart, further wherein the overlay comprises a graphical indication for every location receiving the input.