高斯正反算投影代码

Intersect_Tins.rar. 实现不规则三角网的内插。　求取其截面等。-Intersect_Tins.rar. realization irregular triangular net interpolation. Asks to take its section and so on.

云南昆明市09年最新矢量地图(MapInfo格式)-Kunming vector maps like map (MapInfo format)

应用背景在物力大地测量学中，重力异常的计算，需要测量计算点的重力值和计算测量点的正常重力。计算正常重力时，需要已知计算点大地坐标，即经度、纬度和大地高，如果采用GPS采集数据，那么获得的大地坐标的参考椭球是WGS84。关键技术此程序，采用WGS84参考椭球参数，因此输入数据为WGS84大地坐标，顺序为，纬度、经度、大地高。输入文件为，Input.dat。输出文件为，output.txt。计算结果为，椭球面以上高程为h处的正常重力。如果将大地高设为0，那么计算结果为此点处参考椭球面上的正常重力。

基于vb平台环境下的mapx二次开发实例程序-vb platform environment based on the example of MapX secondary development procedures

CAVOR (Creating A Vison Of Reality) is an engine/collection of components for building apps that combine geospatial or graphic data with a database of attributes (properties). Examples include GIS, CAD, CASE, etc. It is free software released under the GNU General Public License. See also included documents and/or the web pages (see above)

mapyrus能够将点、线、多边形、标注、符号等按PDF、POSTSCRIPT、SVG、WEB IMAGE等格式输出。提供编程手段，满足不同开发需求。-mapyrus able to point, line, polygon, tagging, and other symbols on PDF, POSTSCRIPT, SVG, WEB IMAGE output formats. Provide programming tools to meet different needs of development.

本程序是K条最短路算法测试程序,陈艳艳老师的K条路算法。程序求3条最短路，约束条件值可以设定,约束值越小，多路径共用路段越多。-Article K of the procedure is the shortest path algorithm to test procedures, Yan-Yan Chen K teacher path algorithm. Procedures for the three short-circuit, constraints can be set value, the smaller the value constraint, multi-path section of the more common.

比较经典的图形算法的集合，对于初学图形的人十分有用，希望大家喜欢-more classic collection of graphics algorithm for novice graphics were very useful and hope you like

基于MapXteme 2004的类库，里面封装了一些常用的GIS功能。-MapXteme based on the Class of 2004, a package inside some common GIS functions.

空间索引，，，很有帮助，可以学习学习 -space index, and helpful, can learn from