高斯投影正反算程序，可以实现经纬度大地坐标与空间三维坐标的相互转换，可以选择椭球模型。-Positive and negative Gaussian projection computer program, can achieve three-dimensional space geodetic coordinates latitude and longitude coordinates conversion, you can select the ellipsoid model.

本程序实现了高斯坐标的正反算 详细说明了 算法步骤，希望对你们有所帮助- Formulas for forward andbackward transformation are given and three routines ,LBtoXY ,XYtoLB andLBtotheXY ,are written through computer language VB according to functions needed.The different combinations of the r