private void ServerProc_ErrorDataReceived(object sender, DataReceivedEventArgs e)
{
// You have to do this through the Dispatcher because this method is called by a different Thread
Dispatcher.Invoke(new Action(() =>
{
ConsoleTextBlock.Text += e.Data + "\r\n";
ConsoleScroll.ScrollToEnd();
}));
}
private void console_TextChanged(object sender, TextChangedEventArgs e)
{
ConsoleScroll.ScrollToEnd();
}
private void WriteToConsole(string text)
{
ConsoleBar.Text += "\n" + text;
ConsoleScroll.ScrollToEnd();
}
/// <summary>
/// 窗口被打开时调用的并行计算线程，通过新开线程访问主线程的方式异步更新UI，防止阻塞
/// </summary>
private void StartGenetic()
{
try
{
//有关于元数据的初始化部分
if (import_xml)
{
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("正从XML文件读取预设元数据……");
}));
}).Start();
meta.ReadXML(import_path);
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("读取完成！");
}));
}).Start();
}
else
{
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("正由预设信息随机生成元数据……");
}));
}).Start();
meta.RandomCreate(map, ashbin, truck, capacity, demand);
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("生成结束！");
}));
}).Start();
if (export_xml)
{
meta.WriteInXML(export_path);
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("成功写入到：" + export_path);
}));
}).Start();
}
}
//调用算法核心
core.SetValue(population, select_best, cross, transform, new_car);
core.Meta = meta;
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("初始化种群……");
}));
}).Start();
core.InitializePopulation();
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
IterationBar.Maximum = iteration;
}));
}).Start();
double best = core.GlobalShortestDistance;
for (int i = 0; i < iteration; i++)
{
//关闭窗口时发送Cancel指令，每轮循环时检查token
if (kill_task.Token.IsCancellationRequested)
{
break;
}
core.CaculateFitness();
if (output_style == true)
{
if (best > core.GlobalShortestDistance)
{
best = core.GlobalShortestDistance;
string message = String.Format("迭代至第{0}轮时，发现了新的最优解：目前的最优解是{1}公里。", i + 1, core.GlobalShortestDistance.ToString("F2"));
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add(message);
ConsoleScroll.ScrollToEnd();
}));
}).Start();
}
core.SelectChildren();
if (operator_choose == true)
{
core.InverOverTransform();
}
else
{
core.NovelCrossTransform();
}
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
IterationBar.Value = i + 1;
}));
}).Start();
}
else
{
string message = String.Format("当前是第{0}轮，此轮中适应度最高的后代解为{1}公里，目前的最优解是{2}公里。", i + 1, core.PopulationShortestDistance,
core.GlobalShortestDistance);
core.SelectChildren();
if (operator_choose == true)
{
core.InverOverTransform();
}
else
{
core.NovelCrossTransform();
}
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
IterationBar.Value = i + 1;
ConsoleOutputBox.Items.Add(message);
ConsoleScroll.ScrollToEnd();
}));
}).Start();
}
}
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("迭代完成！");
string message = String.Format("共迭代了{0}轮，最优解为{1}公里", iteration,
core.GlobalShortestDistance.ToString("F2"));
ConsoleOutputBox.Items.Add(message);
ConsoleOutputBox.Items.Add("最优解的路线为：");
List <int> route = core.GlobalShortestRoute;
message = string.Format("{0} -> ", route[0]);
for (int i = 1; i < route.Count; i++)
{
if (route[i] == 0)
{
message += 0;
ConsoleOutputBox.Items.Add(message);
i++;
if (i < route.Count)
{
message = string.Format("{0} -> ", route[i]);
}
}
else
{
message += string.Format("{0} -> ", route[i]);
}
}
ConsoleScroll.ScrollToEnd();
}));
}).Start();
}
catch (Exception anyone)
{
if (anyone.GetType() is System.Threading.Tasks.TaskCanceledException)
{
return;
}
new Thread(() =>
{
this.Dispatcher.Invoke(new Action(() =>
{
ConsoleOutputBox.Items.Add("致命错误：" + anyone.Message);
}));
}).Start();
}
}
public async Task ConsoleScrollToBottom()
{
ConsoleScroll.ScrollToEnd();
ConsoleScroll.ScrollToLeftEnd();
}
private void RichTextBox_OnTextChanged(object sender, TextChangedEventArgs e)
{
ConsoleScroll.ScrollToEnd();
}