mfc进行大地测量程序

mapobject二次开发教程，是基于mapobject开发地理信息系统的参考书-mapobject secondary development guidance mapobject is based on the development of geographic information system reference books

vc++ 开发 GIS 与 GPS ，提供在线首发GPS定位信息，显示坐标点，轨迹回放，GIS地图放大、缩小、选种等等操作。-vc development of GIS and GPS, the first online GPS signal coordinates, track intervals, GIS maps to zoom, selection, etc. operation.

This source code is very useful to detect the edge of triangle shape.It also can be applied to calculate the perimeter of triangle.

在arcgis软件中实现三维的屋顶、三微的房屋等，对arcgis的三维的纹理的开发有很好的启发作用-in arcgis software 3D roof of the three-housing, and so on. arcgis of the three-dimensional texture of the development of good inspiration

1、示例程序的目录下必须有Map(地图数据)目录，方可正常运行，否则无法打开地图。 2、重新编译Delphi源代码前，需配置相关的组件环境。-1, the sample program directory must Map (map data) directory before normal operation, otherwise it is impossible to open the map. 2, Delphi recompile the source code, configuration of component environment.

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.

在mapx中实现鼠标滚轮响应放大缩小的功能-Mapx achieved in response to mouse wheel zoom function

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地图打印输出的代码，可以参照这一程序用在编写gis的大型程序上。-map printouts of code can refer to the procedure used in the preparation of large gis procedures.

应用背景程序使用C#+ Arcgis Engine进行界面开发，实现基本的shape格式数据读取显示，图层拖动排序，还有空间分析功能。关键技术shape格式数据读取显示、空间分析功能以及图层拖动排序。