The invention relates to a method and an apparatus to display a geographical picture on a screen (36) of a monitor (30), which is connected over a data bus (3) to a first computer (1). The invention specifies that the first computer (1) furnishes abstract data (a, c, f), determined on a geographical basis, to the data bus (3), and that these data (a, c, f) are processed in a second computer (31) situated in the monitor (30), for the visual display of a picture on the screen (36) of the monitor (30).