Patent ID: 7840347

Claim:
A navigation system comprising: an image display unit at which various images including a map are displayed; a touch panel operation detection unit that detects a touch panel operation performed by a user based upon a contact position at which the user has touched the image display unit; a specified road detection unit that detects a road segment specified by the user by tracing a corresponding road portion present in the map, based upon a locus of the contact position resulting from the touch panel operation detected by the touch panel operation detection unit; and a route setting unit that extends the detected road segment along a direction in which the road portion has been traced by the user and sets the extended road segment as a route to follow; wherein: if a length of the contact position locus resulting from the touch panel operation is equal to or greater than a predetermined specific value, the route setting unit sets the extended road segment as the route; and if the length of the contact position locus is less than the specific value, the route setting unit sets the detected road segment as the route.