多图幅海量数据电子地图快速显示的研究与实现

Research and realization on speedy display of electronic multi-maps with macro data

电子地图的显示速度直接影响着用户对相关软件的信任程度。研究一种对多图幅海量地图数据进行逻辑分区并建立索引的新方法,能够有效地提高显示速度,从而满足用户的要求。

The display speed of Electronic Map affects directly the faith of users to correlative software.This paper puts forward a new method of dividing logically and creating index files to macro multi-maps data.The method accelerates effectively the display of electronic map and fulfils the requirements of users.