用Visual Basic语言对Map Object进行二次开发的一个程序系统,包括图像编辑,空间查询,网络分析等众多功能.-,Visual Basic,GIS编程/GIS program -with Visual Basic language Map Object right for the second development is a process EC, including image editing, spatial query, and many other network ana

使用MAPX编程制作GIS系统必须包含的头文件,可以实现MAPINFO的90%功能,适于二次开发-Connection programming produced using GIS system must be included in the header files, can achieve 90% of MapInfo functional and suitable for secondary development

ArcGIS二次开发的时候，空间分析使用工具箱，操作不方便，进度也不容易控制，该代码从几何要素的力度开始包装，操作方便(ArcGIS two development, space analysis toolbox, the operation is not convenient, progress is not easy to control, the code from the geometry of the strength of the beginning of packaging, ea