Delphi开发平台的GIS开放源码系统，功能涵盖GIS的基本操作，是学习和掌握GIS原理的非常好源码。deDelphi...

MO开发，符号显示源代码，可用于选择各种地图符号。-MO development, symbols are used to indicate the source code can be used to select the various map symbols.

自动度分秒转换度程序；GPS原始坐标加载；高程数据加载；高程自动拟合；

使用ArcObjects实现了shapefile文件、影像文件的加载，图层控制，添加点线面，地图符号化，查询，拓扑运算及空间分析等功能。-The use of ArcObjects realized shapefile file, image file loading, layer control, add the point, line and plane, maps symbolize, query, topological computing and spatial analysis functions.

OPEN-GL地图-OPEN-GL Map

共享一个从网友那里当下来得C++程序，同大家分享哦！xy piont convert to shp-Sharing a User, where the moment has come from a C++ program to share with you Oh! xy piont convert to shp

常用地图投影转换公式。包括高斯投影、墨卡托投影、通用墨卡托投影、兰勃特投影等投影转换的详细公式。-The conversion formula commonly used map projection. Including the Gaussian projection, Mercator projection, Mercator projection GM, Lambert projection, such as the detailed formula for projection conversion.

Examples of operate the map,such as zoom in,zoom out,pan and fix zoom.

多边形拓扑关系生成方法实现，数据以shapefile线文件为基础。-Polygon topology generation method to achieve the data to shapefile line of the file-based.

搜寻与地图上指定点最近的道路节点，此源码需调用MapXtreme组件相关功能-search and maps designated points recent road nodes, need to call this source components related functional MapXtreme

地理信息系统很好的c#编程，学习的好资料~适合初学者使用。-Geographic Information System a good c# programming, learning good information ~ suitable for beginners to use.