青岛市城市坐标系、1980西安坐标系图幅与坐标相互转换的程序-Qingdao City Coordinate System 1980 Xi' an Coordinate System map sheet and coordinate transformation procedures

本文件用于地理坐标之间的相互转换，给出大地经纬度，及 高斯坐标代号，便可以实现转化用于坐标系之间的转化,-applicate to coordinate ,transfer to 84 systerm ,to xian 80 system ,to BJ-54 Coorninte and any Ellipsoid system and so on .

用C语言实现空间大地直角坐标和大地坐标之间的相互转换(C language is used to realize the transformation between rectangular coordinates and geodetic coordinates.)