根据椭球大地坐标求正常重力

源码是基于ArcPy进行开发的对地图进行切片，然后发布到ArcGIS Server服务器上，是基于python进行开发的，如果需要就请拿去吧，这个网站不错

GIS学习的好材料，包括三维可视化，投影等-GIS a good learning materials, including three-dimensional visualization, projection, etc.

交通GIS论文集,这是我在网上找的一些,再结合自己的一些东西,如果做交通行业的GIS,这是很好的参考资料.安装CAJ才能阅读-Traffic GIS collection, this is my online to find some, and then combine some of their own things, if the transport industry to do GIS, this is a very good reference. CAJ installed in order to read

提供几篇矢量文件空间索引的资料,主要针对大数据量的shp数据-Several vector file space to provide information on the index

dem地形数据的Java处理源码，有意义、-dem terrain data processing Java source code, meaningful,

附件是一个开发文档，密码:www.gissky.net-annex is a development document, Password : www.gissky.net

opengis是gis的重要分之，这是中文的版本，需要的下载啦-gis OpenGIS is an important point, which is the Chinese version, you need to download

MilkShape 3D Help中文翻译版，相信对使用MilkShape 3D的人会有很大帮助-MilkShape 3D Help Chinese translation version, I believe that people who use MilkShape 3D will be of great help! ! !

Example of bird s-eye

多面函数法进行曲面模拟，并在查找论文的基础上进行优化。原创。-multidimensional function method for simulation of surface, and search for papers on the basis of optimization. Originality.