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1、用Pinnacle软件计算七参数一、准备工作1、安装Pinnacle（中文版）；2、计算资料：地面控制点坐标、控制点的WGS84坐标（格式：纬度：度.分.秒；经度：度.分.秒；大地高：m）、投影带中央子午线、参考椭球参数。大地坐标系参考椭球参数参考椭球长半轴（m）短半轴（m）扁率WGS-8463781376356752.31421/298.2572235632000国家63781376356752.31411/298.2572221011980西安63781406356755.28821/298.2571954北京63782456356863.01881/298.3施工坐标：GZG01
2、,2926881.7030,528098.4590,1220.2825GZG02,2926605.8250,527297.1190,1230.6305GZG03,2928717.5390,524969.5320,1238.6473GZG04,2929143.3280,524813.2080,1241.6120GZG05,2932349.2330,524667.4370,1261.6240GZG06,2932795.8280,524377.5080,1277.6013GZG07,2936501.0700,523889.8860,1258.9860GZG08,2937064.1040,52
3、3626.7760,1257.2130GZG11,2940649.6750,515220.6250,1254.4847GZG12,2940871.9810,514700.0510,1252.9020GZG13,2945223.8260,512149.3270,1318.8310GZG14,2945723.3570,511978.3605,1319.0530GZG15-1,2955096.6570,503940.5160,1251.3180GZG16-1,2954613.6390,503970.7910,1245.9370GZG17,2957600.5530,512140.5740,0.
4、0000GZG18,2958093.3220,512145.9340,0.0000GZG25,2955528.0940,497193.6950,1277.4270WGS84坐标：GZG01,26.26.47.5872612,106.31.54.0306588,1191.172GZG02,26.26.38.6812572,106.31.25.0905828,1201.499GZG03,26.27.47.4366312,106.30.01.2422124,1209.466GZG04,26.28.01.2786996,106.29.55.6296648,1212.420GZG05,26.29
5、.45.4349076,106.29.50.5908960,1232.385GZG06,26.29.59.9609868,106.29.40.1540928,1248.339GZG07,26.32.00.3588468,106.29.22.7983704,1229.658GZG08,26.32.18.6653328,106.29.13.3336068,1227.873GZG11,26.34.15.5606520,106.24.09.8817516,1224.996GZG12,26.34.22.8022716,106.23.51.0839988,1223.384GZG13,26.36.4
6、4.2623240,106.22.19.0811892,1289.169GZG14,26.37.00.4955880,106.22.12.9207216,1289.395GZG15-1,26.42.05.1545844,106.17.22.5217104,1221.346GZG16-1,26.41.49.4632968,106.17.23.6112432,1215.967GZG17,26.43.26.3253432,106.22.19.1922636,1185.226GZG18,26.43.42.3328224,106.22.19.4031804,1179.367GZG25,26.42
7、.19.1797488,106.13.18.4954800,1247.258一、计算步骤打开Pinnacle（中文版），先建立项目施工椭球参数，具体步骤如下：1、建立转换参考椭球参数选择：坐标系统编辑器——新建椭球：基于WGS84椭球输入：名称、注释（便于区分）、椭球长半轴a=6378137、扁率1/f=298.257223563。确定后，在列表中选择新建椭球（MS84）。2、新建基准：输入：名称、注释；不输入七参数；椭球名称：选择上面新建椭球
