| 摘要 |
<p>The method involves storing the map data from a memory (2) to a map unit. The map data includes an attribute, which represents the characteristics of the map unit. The attribute and the map unit are stored in separate memory regions of the memory. The attribute is assigned individually or in groups within the map unit, where different data types are used for the attribute. The attributes of different types are grouped to complex attributes. Independent claims are also included for the following: (1) a navigation system comprising a memory (2) a memory medium such as map data memory, with a digital map.</p> |
