实例介绍
【实例简介】一个用C#写的高斯坐标正反算，包括邻带换算、不分带计算。控制测量高斯正反算以及邻带换算程序代码。
【实例截图】
【核心代码】
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;
using System.IO;
using System.Threading;
namespace Gauss
{
public partial class Form1 : Form
{
private BackgroundWorker bkWorker = new BackgroundWorker();
private int percentValue = 0;
public Form1()
{
InitializeComponent();
bkWorker.WorkerReportsProgress = true;
bkWorker.WorkerSupportsCancellation = true;
bkWorker.DoWork = new DoWorkEventHandler(DoWork);
bkWorker.ProgressChanged = new ProgressChangedEventHandler(ProgessChanged);
bkWorker.RunWorkerCompleted = new RunWorkerCompletedEventHandler(CompleteWork);
}
/* private void btnStart_Click(object sender, EventArgs e)
{
percentValue = 10;
this.progressBar1.Maximum = 1000;
// 执行后台操作
bkWorker.RunWorkerAsync();
}*/
public void DoWork(object sender, DoWorkEventArgs e)
{
// 事件处理，指定处理函数
e.Result = ProcessProgress(bkWorker, e);
}
public void ProgessChanged(object sender, ProgressChangedEventArgs e)
{
// bkWorker.ReportProgress 会调用到这里，此处可以进行自定义报告方式
this.progressBar1.Value = e.ProgressPercentage;
int percent = (int)(e.ProgressPercentage / percentValue);
this.label1.Text = "处理进度:" Convert.ToString(percent) "%";
}
public void CompleteWork(object sender, RunWorkerCompletedEventArgs e)
{
this.label1.Text = "处理完毕!";
}
private int ProcessProgress(object sender, DoWorkEventArgs e)
{
string[,] _miuia1;//保存坐标转换结果的二维数组
for (int i = 0; i <= 1000; i )
{
Extract_Coordinates.Save(file, out _miuia1, out Count);
if (bkWorker.CancellationPending)
{
e.Cancel = true;
return -1;
}
else
{
// 状态报告
bkWorker.ReportProgress(i);
// 等待，用于UI刷新界面，很重要
System.Threading.Thread.Sleep(1);
}
}
return -1;
}
double B, L;
double X, Y;
int Count;//点的个数
string NoBeltNumData;//Y不带带号的坐标
string WithBeltNumData;//Y带带号的坐标
string file;
File Extract_Coordinates = new File();//字符串分割类对象以提取坐标
Angle angle = new Angle();//角度转换类对象
//导入数据按钮事件以选择导入的文件
private void 导入数据ToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.Title = " 选择文件";
openFileDialog1.FileName = "";
openFileDialog1.Filter = "txt文件|*.txt";
if (openFileDialog1.ShowDialog() != DialogResult.Cancel)
{
StreamReader readfile = new StreamReader(openFileDialog1.FileName, true);
file = readfile.ReadToEnd();
readfile.Close();
}
else
{
openFileDialog1.Dispose();
this.Show();
}
}
private void 开始转换_Click(object sender, EventArgs e)//单击分带计算选项卡中的转换按钮
{
// this.backgroundWorker1.RunWorkerAsync();//运行backgroundWorker1组件
try
{
string[,] _miuia1;//保存坐标转换结果的二维数组
Extract_Coordinates.Save(file, out _miuia1, out Count);
//如果选择“高斯正算”按钮
if (radioButton1.Checked)
{
WithBeltNumData = "点号" "\t\t\t" "Y" "\t\t\t" "X" "\r\n";
NoBeltNumData = "点号" "\t\t\t" "Y" "\t\t\t" "X" "\r\n";
GaussCalculate JAY = new GaussCalculate(Ellipsoid.Text);//调用GaussCalculate类中的重载构造函数
for (int i = 0; i < Count; i )
{
B = angle.dmsTOdeg(double.Parse(_miuia1[i, 2]));
L = angle.dmsTOdeg(double.Parse(_miuia1[i, 1]));
JAY.Calculate(B, L, out X, out Y, double.Parse(Bandwidth.Text), double.Parse(Zero_lon.Text));//调用正算重载
WithBeltNumData = _miuia1[i, 0] "\t\t" Y.ToString("F5") "\t\t" X.ToString("F5") "\r\n";//输出有带号的坐标
NoBeltNumData = _miuia1[i, 0] "\t\t" (Y - Math.Floor(Y / 1000000) * 1000000).ToString("F5") "\t\t" X.ToString("F5") "\r\n";//输出无带号的坐标
}
textBox1.Text = WithBeltNumData;//文本框中显示
}
//如果选择“高斯反算”按钮
else
{
GaussCalculate JAY = new GaussCalculate(Ellipsoid.Text);
WithBeltNumData = "点号" "\t\t\t" "B" "\t\t\t\t" "L" "\r\n";
for (int i = 0; i < Count; i )
{
JAY.Calculate(out B, out L, double.Parse(_miuia1[i, 2]), double.Parse(_miuia1[i, 1]), double.Parse(Bandwidth.Text), double.Parse(Zero_lon.Text));
B = angle.radTOdms(B);
L = angle.degTOdms(L);
WithBeltNumData = _miuia1[i, 0] "\t\t" B.ToString() "\t\t" L.ToString() "\r\n";
}
textBox1.Text = WithBeltNumData;
}
}
catch (Exception e1)
{
MessageBox.Show(e1.Message);
}
}
private void 开始转换2_Click(object sender, EventArgs e)//单击不分带计算选项卡中的转换按钮
{
try
{
string[,] _miuia1;//保存坐标转换结果的二维数组
Extract_Coordinates.Save(file, out _miuia1, out Count);
//如果选择“高斯正算”按钮
if (radioButton1.Checked)
{
WithBeltNumData = "点号" "\t\t\t" "Y" "\t\t\t" "X" "\r\n";
GaussCalculate JAY = new GaussCalculate(Ellipsoid1.Text);
for (int i = 0; i < Count; i )
{
B = angle.dmsTOdeg(double.Parse(_miuia1[i, 2]));
L = angle.dmsTOdeg(double.Parse(_miuia1[i, 1]));
JAY.Calculate(B, L, out X, out Y, double.Parse(CenterLongitude.Text));
WithBeltNumData = _miuia1[i, 0] "\t\t" Y.ToString("F5") "\t\t" X.ToString("F5") "\r\n";//输出坐标
}
textBox1.Text = WithBeltNumData;//文本框中显示计算结果
}
//如果选择“高斯反算”按钮
else
{
GaussCalculate JAY = new GaussCalculate(Ellipsoid1.Text);
WithBeltNumData = "点号" "\t\t\t" "B" "\t\t\t\t" "L" "\r\n";
for (int i = 0; i < Count; i )
{
JAY.Calculate(out B, out L, double.Parse(_miuia1[i, 2]), double.Parse(_miuia1[i, 1]), double.Parse(CenterLongitude.Text));
B = angle.radTOdms(B);
double CenterLongitude0 = angle.dmsTOdeg(double.Parse(CenterLongitude.Text));//中央子午线
L = angle.degTOdms(L CenterLongitude0);//反算得到的经度差加上中央子午线
WithBeltNumData = _miuia1[i, 0] "\t\t" B.ToString() "\t\t" L.ToString() "\r\n";
}
textBox1.Text = WithBeltNumData;//文本框中显示计算结果
}
}
catch (Exception e1)
{
MessageBox.Show(e1.Message);
}
}
private void 开始转换3_Click(object sender, EventArgs e)//单击邻带换算选项卡中的转换按钮
{
try
{
string[,] _miuia1;//保存坐标转换结果的二维数组
WithBeltNumData = "点号" "\t\t\t" "Y" "\t\t\t" "X" "\r\n";
Extract_Coordinates.Save(file, out _miuia1, out Count);
GaussCalculate JAY = new GaussCalculate(Ellipsoid3.Text);
for (int i = 0; i < Count; i )
{
JAY.Calculate(out B, out L, double.Parse(_miuia1[i, 2]), double.Parse(_miuia1[i, 1]), double.Parse(Bandwidth3.Text), double.Parse(Zero_lon3.Text));
B = angle.radTOdeg(B);
bool LeftOrRight;
if (radioButton3.Checked)//如果选择的是“左邻带”
{
LeftOrRight = true;
}
else//如果选择的是“右邻带”
{
LeftOrRight = false;
}
JAY.Calculate(B, L, out X, out Y, double.Parse(Bandwidth3.Text), double.Parse(Zero_lon3.Text), LeftOrRight);
WithBeltNumData = _miuia1[i, 0] "\t\t" Y.ToString("F5") "\t\t" X.ToString("F5") "\r\n";//输出有带号的坐标
}
textBox1.Text = WithBeltNumData;
}
catch (Exception e1)
{
MessageBox.Show(e1.Message);
}
}
private void AdjacentBelt_Enter(object sender, EventArgs e)//选择“邻带换算”选项卡时radioButton1，2为不能选择状态
{
radioButton1.Enabled = false;
radioButton2.Enabled = false;
}
private void AdjacentBelt_Leave(object sender, EventArgs e)//离开“邻带换算”选项卡时radioButton1，2恢复选择状态
{
radioButton1.Enabled = true;
radioButton2.Enabled = true;
}
//高斯正算结果输出（Y坐标有带号）
private void 有带号ToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
saveFileDialog1.ShowDialog();
saveFileDialog1.Filter = "txt文件|*.txt";
StreamWriter writefile = new StreamWriter(saveFileDialog1.FileName, true);
writefile.WriteLine(WithBeltNumData);
writefile.Close();
MessageBox.Show("保存成功！");
}
catch
{
MessageBox.Show(new Exception("操作失败!").Message);
}
}
//高斯正算结果输出（Y坐标不带带号）
private void 无带号ToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
saveFileDialog1.ShowDialog();
saveFileDialog1.Filter = "txt文件|*.txt";
StreamWriter writefile = new StreamWriter(saveFileDialog1.FileName, true);
writefile.WriteLine(NoBeltNumData);
writefile.Close();
MessageBox.Show("保存成功！");
}
catch
{
MessageBox.Show(new Exception("操作失败!").Message);
}
}
private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (radioButton2.Checked ||tabControl1.SelectedIndex!=0)
{
无带号ToolStripMenuItem.Visible = false;
有带号ToolStripMenuItem.Visible = false;
saveFileDialog1.Filter = "txt文件|*.txt";
if (saveFileDialog1.ShowDialog() != DialogResult.Cancel)
{
StreamWriter writefile = new StreamWriter(saveFileDialog1.FileName, true);
writefile.WriteLine(WithBeltNumData);
writefile.Close();
MessageBox.Show("保存成功！");
}
else
{
saveFileDialog1.Dispose();
this.Show();
}
}
}
//清空文本框
private void 重置ToolStripMenuItem_Click(object sender, EventArgs e)
{
/*
NoBeltNumData = "";
WithBeltNumData = "";
textBox1.ResetText();
radioButton1.Checked = true;*/
percentValue = 10;
this.progressBar1.Maximum = 1000;
// 执行后台操作
bkWorker.RunWorkerAsync();
}
//限制起始子午线输入的数据规范
private void Zero_lon_KeyPress(object sender, KeyPressEventArgs e)
{
if (((int)e.KeyChar < 48 || (int)e.KeyChar > 57) && (int)e.KeyChar != 8 && (int)e.KeyChar != 46)
e.Handled = true;
//小数点的处理。
if ((int)e.KeyChar == 46) //小数点
{
if (Zero_lon.Text.Length <= 0)
e.Handled = true; //小数点不能在第一位
else
{
float f;
float oldf;
bool b1 = false, b2 = false;
b1 = float.TryParse(Zero_lon.Text, out oldf);
b2 = float.TryParse(Zero_lon.Text e.KeyChar.ToString(), out f);
if (b2 == false)
{
if (b1 == true)
e.Handled = true;
else
e.Handled = false;
}
}
}
}
//标准3,6度带
private void Bandwidth_SelectedValueChanged(object sender, EventArgs e)
{
if (Bandwidth.Text == "3")
{
Zero_lon.Text = "1.5";
}
else if (Bandwidth.Text == "6")
{
Zero_lon.Text = "0";
}
}
//退出程序
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
}
/* private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker work = sender as BackgroundWorker;
for (int i = 0; i < 100; i )
{
Thread.Sleep(100);
work.ReportProgress(i);
}
}*/
}
}
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