基于MAPGIS的1∶5万区域地质调查数据库的设计（caj格式）

这是我学习 MapObjects 时所编写的代码，具有一定的参考价值！-MapObjects study prepared by the code, with some reference value!

这是我在mapinfo下就修文县做的一个消防系统，包含有源表，适合mapinfo工作人员。-MapInfo under the revised County do a fire safety systems, including active table, MapInfo suitable staff.

通过ArcMap的VBA环境下编程，初步了解ArcObjects组件库，力求能读懂、理解VBA实例程序，基本了解宏语言式GIS二次开发的基本思路和方法。-Through ArcMap

实现.net平台下mapobject的图例功能，修改了原来legend控件不能在.net平台下应用的缺陷。-Realize. Net platform MapObject the legend function, modification of the original legend should not in control. Net platform application defects.

包括部分空间算法，如计算两坐标点距离、判断两坐标点是否相等、计算叉积、计算点积、判断点p是否在线段l上、计算点bp以点op为圆心逆时针旋转dAlpha(单位：弧度)后所在的坐标点位置、计算指定半径圆上指定角度的弦长、计算由起点坐标和终点坐标构成的线段在指定距离和指定方向的垂点坐标等空间算法-Including some space algorithms, such as calculating the distance between the two coordinates to determine whether the same two coordinates to calculate cross product, point multiplication calculation to determine whether point p on line l above the calculation point to point op for bp counterclockwise rotation center dAlpha (units : radian) after the location where the coordinates of points, calculated on the specified radius of a round angle specified chord length, calculated from the starting point coordinates and end coordinates of the line constitutes a specified distance and specified direction of the vertical space coordinate algorithm

Visual C++开发GIS系统(陈建春)附书光盘，里面包含本书全部完整源代码。-Visual C development of GIS (Chen Jianchun) attached CD, which contains all of the integrity of the source code.

简单的springboot gis demomybatis-plus shirojtsgeojson序列化反序列化

北大GIS讲义.需要学GIS的同学可以看一下哈. 是以PPT格式的.-North GIS lectures. Students need to learn GIS can look at Kazakhstan. Is PPT format.

GIS-data地图数据，水，路，桥，大区，县等-GIS-data map data, water, roads, bridges, big districts and counties, such as

flex的在地图上显示谷歌地图某个位置的程序-flex