本系统在实现对地图图形数据文件、符号信息文件和主要城市信息文件的读取与存储的基础上,调用OpenGL库进行地图绘制,实现简单地系统交互;运用优化的空间索引和查找算法,使用户能方便快捷地对主要城市的几何信息和属性信息进行查询。
主要算法包括四叉树(Quadtree)及字典树(Trie树),分别用于实现空间查询和属性查询。
This project forked from linyuehzzz/qt-ssgis
GIS + Qt +OpenGL, with spatial query (using Quadtree) and attribute query (using Trie)
License: GNU General Public License v3.0
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