高精度地理坐标转换通用函数

sgEarth是一个跨平台的库，可以使用版本号为2.6.2或更新版本的Cmake对其进行编译。有三个方法可以获取osgearth源码：Option1：使用GITosgEarth源码托管于GitHub，所以我们需要一个Git客户端。Windows下推荐TortoiseGit，SVN 小乌龟的Git 版本。评价：该有的功能基本都有了，还是不错的。tarball是linux下最方便的打包工具，是以tar这个指令来打包与压缩的档案。Option3:使用版本控制SVN

高斯投影正反变换-Gaussian transform projection pros

VB版的MOVIEW，包括了VB+MO的一切基本功能：地图的放大、缩小、地址匹配，空间查询...（MapObjects是一个数字地图相关的控件组，程序需安装MO才能运行，供GIS专业用）推荐-MOVIEW version of VB, VB MO include all basic functions : the map to zoom, address matching, spatial query ... (MapObjects is a digital map of the control group, MO installation process required to run for professional use GIS) Suggest

实现图的m着色问题,包括着色次数，具体着色的情况，可以用于地图填色。-m color

mapgis_ims_asp

mapxtreme for asp的整站示例-MapXtreme for the entire sample stations

MapX的开发说明文档，如何加载地图，创建地图， 鹰眼功能、拓扑关系、不同图形不同颜色表现、数据绑定、系统性能等。-MapX development of documentation, how to load maps, create maps, Eagle Eye function, topological relations, the performance of different colors in different graphics, data binding, system performance, etc..

本系统有别于其它的公交线路查询系统，将地铁和轨道交通纳入了换乘范围 ，可设置不同的搜索条件，如优先选择地铁、少的换乘、少的费用、时间最少等条件，得到满足要求的换乘路线-The system is different from the other bus line inquiry system, subway and rail transportation will be included in the scope of the change can be set up different search criteria, such as the preferred choice subway, take less and less cost, time and other conditions at least, be meet the requirements of the transfer line

vc+ArcEngine建立框架程序:制作浮动可变大小的控制窗口，可以实现图层拖放-vc+ ArcEngine procedures for the establishment of the framework: the production of a floating variable to control the size of the window, you can drag and drop layers to achieve

源码GIS系统代码，有研究意义，多试用试用 -source GIS system code, some significance, more probation probation