高斯正反算源代码.docx

高斯正反算源代码using System;using System.Collections.Generic;using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace 高斯正反算{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } void a0a2a4a6a8(double a, double e, double[] Coeficient_a0) { double m0, m2, m4, m6, m8; m0 = a * (1 - e * e); m2 = 3 * e * e * m0 / 2; m4 = 5 * e * e * m2 / 4; m6 = 7 * e * e * m4 / 6; m8 = 9 * e * e * m6 / 8; /*计算a0 a2 a4 a6 a8*/ Coeficient_a0[0] = m0 + m2 / 2 + 3 * m4 / 8 + 5 * m6 / 16 + 35 * m8 / 128; Coeficient_a0[1] = m2 / 2 + m4 / 2 + 15 * m6 / 32 + 7 * m8 / 16; Coeficient_a0[2] = m4 / 8 + 3 * m6 / 16 + 7 * m8 / 32; Coeficient_a0[3] = m6 / 32 + m8 / 16; Coeficient_a0[4] = m8 / 128; } private void button1_Click(object sender, EventArgs e) { int h=0,k=0;double a=0,Alfa=0;double dmslat,dmslon,dmsl0; double a0 ,a2 ,a4, a6, a8; double radlat,radlon,radl0,l; double b,t,sb,cb,ita,e1,ee; double X,l0; double N,c,v; double coor_x,coor_y; ouble Bf0,Bf1,dB,FBf,bf; double itaf, tf; double Nf,Mf; double B,L,dietaB,dietal; double sinBf,cosBf; double[] Coeficient_a0 = new double[5]; try{ if (radioButton4.Checked) { k = 1; }if (radioButton5.Checked) { k = 2; }if (k == 1) //正算 { richTextBox1.Text = ; if (radioButton1.Checked == true) { h = 1; } if (radioButton2.Checked == true) { h = 2; } if (radioButton3.Checked == true) { h = 3; } // if (radioButton4.Checked == true) { h = 4; } if (h == 1) { a = 6378137; Alfa = 0.00335281066474; }//WGS-84