有关mapinfo的源程序，主要是用于GIS的二次开发。

GIS座标算法 非常的方便 -GIS coordinates of the algorithm is very convenient

vc开发GIS一书的源代码，为了解GIS原理非常有帮助，通过该代码可以开发自己的GIS系统

十分强悍的墨卡托投影反算程序。方便大家下载-Very powerful anti-Mercator counting procedures. Easy to download U.S.

功能： 反查汉字的区位码，或逐区显示汉字。 说明： 在源代码中，不仅演示了GB内码的操作，还演示了drag-drop功能的实现。-functions : anti-Chinese investigation in an area code, or case-by-district shows Chinese characters. Description : In the source code, not only demonstrated the GB internal codes, the operation also demonstrated a drag-drop performance.

VB6.0+MAPX

arcgis api for JavaScript 框选查询 ,选中点高亮，并有弹框显示属性信息，

VB+MO实用开发例子：第一章：GIS开发简介；第二章：MO/VB二次开发入门；第三章：使用地图和图层，有详细的说明和例子；第四章：坐标系和几何对象；全书共九章，pdf格式。-VB+ MO practical development examples: First Chapter: GIS development profile Chapter: MO/VB secondary development of entry Chapter III: Using maps and layers, contains a detailed description and examples Chapter IV: coordinate system and geometry object book a total of nine chapters, pdf format.

GML相关

投影转换功能,具备将其他不同类型的投影转换为统一的投影坐标系下-projection conversion function with other different types of projection into a unified projection coordinate system

一个电子地图的课程设计,其实还没做完,不过老师要求的功能都差不多实现了,打算在此基础上叠加地貌晕渲的,不过在三角剖分上遇到了些麻烦~,文件夹009中包含了数据的一部分,因为数据大概有十几M就只弄了一部分,还有一个属性数据库.及有些头文件-an electronic map of curriculum design, in fact not done, but teachers required functions are almost the intention on the basis of this superposition Hillshading, but the triangulation encountered a bit of trouble ~, 009 folder contains the data part, because there are about a dozen data M just get the part, there is an attribute database. and some of the first documents