IMAGE CONTROL PROGRAM, IMAGE CONTROL DEVICE, AND IMAGE CONTROL METHOD

Provided are an image control program, and the like, that make it possible for a user to easily ascertain the correspondence relationship between points on a route and point information symbols even after an image has been switched from an image including a route line, which has a line shape expressing the route and the points on the route, and the point information symbols to an image including a route line having a different shape and the point information symbols. The following processing is carried out in the present invention: first processing for displaying, on a display unit, a first image including a first line, which indicates a route and has a line shape expressing points on the route, and point information symbols expressing information relating to the points; and second processing for displaying, on the display unit, a second image that is displayed by being switched to from the first image and displays a second line, which indicates the route and has a different shape from that of the first line, such that the points and point information symbols are associated with each other.