自发地理信息在天地图中的应用研究

摘要

Volunteered Geographic Information is one kind of geographic information, produced by the relevant equipment which is initiatively or passively used by the public, including GPS track data, points of interest, image data and so on. This article mainly analyses Volunteered Geographic Information which is applied to the methods and problems of Tianditu by introducing origins and characteristics of the Volunteered Geographic Information and combining with actual situations of the Tianditu.%自发地理信息是公众在主动或被动使用相关设备产生的地理信息，包括GPS轨迹数据、兴趣点、影像数据等。文章通过介绍自发地理信息的来源及特点，结合天地图的实际情况，分析了自发地理信息应用于天地图的方式与问题。