摘要
介绍了地理信息的一些基本概念和开发的几种方式,并进行了简单比较。着重说明了在VC开发平台上基于MapX控件的电子地图的开发方法,并根据地震速报平台的开发项目,结合程序的源代码,阐述了如何在电子地图中通过经纬度查询地名和显示震中位置的方法。
The basic conception and implemented ways of developing a Geographic Information System have been introduced.Some simple comparisons of developing ways have been made as well.Developing way of electronic map on basis of MapX in VC++ has been mainly described.According to the development of earthquake quick report platform and combining source codes,the way of place inquiring by longitude and latitude and display of epicenter location have been elaborated.
引文
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