实现大地图快速缩放和实时显示的一种有效方法

An Effective Method For Rapid Map-Zooming and Real-time Map-Displaying

对于大地图,传统的放大或缩小方法所需的内存空间过大,这往往不能适合许多场合的要求。为此,提出了一种基于大地图的缩放方法,应用本方法可以实现大地图的快速缩放和实时显示。

One main shortcoming of some existing zooming methods is that for the large map, the needs of memory is too great. This paper presents a zooming method for the large map ,with this approach a large map can be zoomed rapidly and displayed real-timely.