channels

说明：  通过课件对雷达系统进行了分析，作为初学者有很大帮助(radar system！)

GIS专业入门必修课-多边形左转算法，首先在屏幕上点取点，后连接三角形，最后自动形成多边形。(GIS professional entry courses- turn left polygon algorithm, the first check point on the screen points, after connecting the triangle, and finally form a polygon automatically.)

中国主要的河流、湖泊地图，矢量(shp)格式(Map of main rivers and lakes in China, vector (SHP) format)

基于arcmap，批量处理tif文件，批量出图(Based on arcmap, batch processing TIF files, batch drawing)

ArcEngine下编辑要素的功能实现..(ArcEngine realization of the function to edit the elements of)

该程序是我在学习MO设计初期时开发的，其中有许多不足之处，本人期望与广大GIS人一起研究与探讨GIS二次开发技术。 我的QQ：37163473 ArcSDE模块需要有ArcSDE for Oracle9i与Oracle9i支持，由于本人忙着课程设计，功能还没有全部完成。 期待大家支持。(The program is my MO in the learning design of the early development, which has a lot of inadequacies, I look forward to working with the broad masses of GIS Research and explore together the secondary development of GIS technology. My QQ: 37163473ArcSDE modules need to have ArcSDE for Oracle9i and Oracle9i support, I am busy with curriculum design, function has not yet fully completed. Look forward to support everyone.)

线程Demo join interrupt sleep yield等几个常用线程方法(a simple Thread demo)

将大地坐标转换到大地空间直角坐标，即将大地纬度，大地经度，大地高转换到X,Y,Z,采用的是克拉索夫斯基椭球(Will the earth coordinate transformation to the space rectangular coordinate, the earth is the latitude and longitude of the earth, the earth high transition to the X, Y, Z, USES a carat SuoFuSi ellipsoid)

说明：  GDAL2.4 C#接口编译库及示例，亲测支持中文路径、中文字段名、中文记录，最新编译库32位库(Gdal2.4 C# interface compiler library and examples, pro test support Chinese path, Chinese field name, Chinese record, the latest compiler library 32-bit library)

说明：  arcgis engine开发入门的小程序，用来加载地图文件（mxd,shp,lrc），基于.net平台，需要搭载engine环境。(Arcgis engine introduction to development of small procedures, used to load the map file (MXD, SHP, LRC England), based on. Net platform, need to pick up engine platform)