Navigation apparatus

摘要

A map information processing apparatus includes a map information storage unit (15) for storing map information, a map update information storage unit (8) for storing one or more pieces of map update information (30 to 32) used for updating yet-to-be-updated map information, a map update information selection unit (19) for selecting one or more pieces of map update information required to update the map information stored in the map information storage unit (15) from the one or more pieces of map update information stored in the map update information storage unit, and a map information updating unit (20) for updating the map information stored in the map information storage unit (15) by applying the one or more pieces of map update information selected by the map update information selection unit to the map information one by one in order of updating.