| 摘要 |
PURPOSE:To provide a method for arousing cautions for an operator automatically when a display position of a moving object is abnormal in an apparatus which captures a moving object on the ground to display the position thereof on a map. CONSTITUTION:Running impossible areas are registered and managed previously according to performance specifications pertaining to the running of a moving object on the ground (step S1). The position of the moving object input and displayed (step S2) is compared (step S3) with the running impossible areas registered previously at the step 51 and when the display position matches the running impossible area, cautions of an operator is aroused automatically about the abnormality of the display position (step S4). |
