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@ -34,12 +34,14 @@ using System.Windows.Threading;
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using System.Xml.Linq;
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using Prism.Regions;
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using static System.Collections.Specialized.BitVector32;
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using System.Net.NetworkInformation;
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using System.Runtime.InteropServices;
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namespace StartServerWPF.Modules.MseedChart.ViewModels
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{
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public class ChartPlotViewModel : BindableBase, INavigationAware
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{
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Mseed2asciiApi.LoopCallbackHandler loopCallback;
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public ChartPlotViewModel()
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{
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_dispatcher = Application.Current.Dispatcher;
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@ -47,7 +49,77 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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(Application.Current.MainWindow as System.Windows.Window).Closing += ApplicationClosingDispose;
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IntervalTime=100;
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CreateChart();
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loopCallback = new Mseed2asciiApi.LoopCallbackHandler(Mseed2AsciiEvent);
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GC.KeepAlive(loopCallback);
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}
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private void Mseed2AsciiEvent(AsciiDataStruct asciiData)
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{
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DateTime startTime = Convert.ToDateTime(asciiData.starttime).AddHours(8);
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DateTime endTime = Convert.ToDateTime(asciiData.endtime).AddHours(8);
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byte[] bytes = new byte[asciiData.numsamples * asciiData.samplesize];
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// IntPtr bufferHandler = Marshal.AllocHGlobal((int)asciiData.datasize);
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Marshal.Copy(asciiData.datasamples, bytes, 0, bytes.Length);
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List<double> lines = new List<double>();
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string[] sid = asciiData.sid.Substring(5).Split('_');
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string name = $"{sid[0]}.{sid[1]}.{sid[2]}.{sid[3]}{sid[4]}{sid[5]}";
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var ts = DateTime.Now.Subtract(startTime);
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System.Diagnostics.Debug.WriteLine($"台站号：{name},总数：{asciiData.samprate},{asciiData.datasize},{asciiData.samplecnt}, {asciiData.numsamples},当前时间：{DateTime.Now.ToString("o")},接时间：{startTime.ToString("o")}********时间差：{ts.TotalSeconds}秒");
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//if (ts.TotalSeconds > 20)
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//{
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// return;
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//}
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if (asciiData.sampletype == 'i')
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{
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for (int index = 0; index < bytes.Length; index += 4)
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{
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var a = BitConverter.ToInt32(bytes, index);
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lines.Add(a);
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}
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}
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else if (asciiData.sampletype == 'f')
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{
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for (int index = 0; index < bytes.Length; index += 4)
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{
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var b = BitConverter.ToSingle(bytes, index);
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lines.Add(b);
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}
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}
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else if (asciiData.sampletype == 'd')
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{
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for (int index = 0; index < bytes.Length; index += 8)
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{
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var b = BitConverter.ToDouble(bytes, index);
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lines.Add(b);
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}
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}
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var dat = smList.Where(p => p.Name == sid[1]).FirstOrDefault();
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var channelFlag = ($"{sid[3]}{sid[4]}{sid[5]}" == "SHZ") ? 0 : ($"{sid[3]}{sid[4]}{sid[5]}" == "SHN") ? 1 : 2;
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if (dat == null)
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{
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StationModel station = new StationModel
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{
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Name = sid[1],
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BeginTime = startTime,
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PointCount = (int)asciiData.numsamples,
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SamplingFrequency = (int)asciiData.samprate,
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};
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smList.Enqueue(station);
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dat = station;
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}
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switch (channelFlag)
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{
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case 0://Z
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dat.dz.AddRange(lines);
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break;
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case 1://N
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dat.dn.AddRange(lines);
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break;
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case 2://E
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dat.de.AddRange(lines);
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break;
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}
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}
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#region 字段
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@ -244,17 +316,21 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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#region 事件
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public DelegateCommand LoadedCommand => new DelegateCommand(Loaded);
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public DelegateCommand UnloadedCommand => new DelegateCommand(UnLoaded);
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public DelegateCommand<object> AxesYVisibleCommand => new DelegateCommand<object>(AxesYVisible);
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public DelegateCommand<object> FileSelectorCommand => new DelegateCommand<object>(FileSelector);
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public DelegateCommand<object> OtimeSortCommand => new DelegateCommand<object>(OtimeSort);
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public DelegateCommand IntervalSureCommand => new DelegateCommand(IntervalSure);
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public DelegateCommand<object> RealTimeDataCommand => new DelegateCommand<object>(RealTimeData);
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private void Loaded()
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{
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Mseed2asciiApi.MseedDatasCallFun(loopCallback);
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}
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private void UnLoaded()
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{
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Mseed2asciiApi.MseedDatasCallFun(null);
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}
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private void AxesYVisible(object isCheck)
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{
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if (_lChartAll != null)
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@ -281,14 +357,18 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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if (openFileDialog.ShowDialog() == true)
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{
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string asciiSavePath = openFileDialog.FileName.Replace("Mseed", "Txt");
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asciiSavePath = Path.ChangeExtension(asciiSavePath, ".txt");
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string JsonPath = Path.ChangeExtension(openFileDialog.FileName, "Json");
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asciiSavePath = Path.ChangeExtension(asciiSavePath, "txt");
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string JsonPath = Path.ChangeExtension(openFileDialog.FileName, "json");
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if(!File.Exists(JsonPath))
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{
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JsonPath = JsonPath.Replace(".json", "B.json");
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}
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Stopwatch st = new Stopwatch();
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st.Start();
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//读取.json文件
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CurrentEventTime = _wavesModel.ReadChartJsonFile(JsonPath);
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//读取.mseed文件
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smList = _wavesModel.ReadMseedFile(openFileDialog.FileName, asciiSavePath, IsMultFiles);
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_wavesModel.ReadMseedFile(openFileDialog.FileName, asciiSavePath, IsMultFiles);
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_channelCount = smList.Count * 3;
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CurrentTime = smList.First().BeginTime.ToShortDateString();
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StationsName = smList.Select(a => new StationAxis{Name= a.Name,IsChecked=true,SelectCommand =new DelegateCommand<object>(StationsNameVisible)}).ToList();
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@ -461,48 +541,6 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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_lChartAll.EndUpdate();
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}
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}
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private void RealTimeData(object isCheck)
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{
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//
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String str = "N02,N03,N04,N05,N06";//,N07,N08,N09,N10,N11,N12,N13,N14,N15,N16,N17,N18,N19,N20,N21,N22,N23,N24,N25,N26,N27";
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var stations= str.Split(',');
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smList = _wavesModel.ReadWavesFromJson(stations);
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_channelCount = smList.Count * 3;
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CurrentTime = smList.First().BeginTime.ToShortDateString();
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StationsName = smList.Select(a => new StationAxis { Name = a.Name, IsChecked = true, SelectCommand = new DelegateCommand<object>(StationsNameVisible) }).ToList();
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// StartChart();
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if (_lChartAll != null)
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{
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bool isStartRealData = (Convert.ToBoolean(isCheck) == true);
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if (smList.Count == 0)
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{
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return;
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}
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_lChartAll.BeginUpdate();
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if (isStartRealData)
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{
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StartChart();
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//Set real-time monitoring automatic old data destruction
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LChartALL.ViewXY.DropOldSeriesData = true;
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_pointsAppended = LChartALL.ViewXY.XAxes[0].Minimum;
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dispatcherTimer.Tick -= CompositionTarget_Rendering;
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dispatcherTimer.Tick += CompositionTarget_Rendering;
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LChartALL.ViewXY.XAxes[0].ScrollMode = XAxisScrollMode.Scrolling;
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dispatcherTimer.Start();
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}
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else
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{
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dispatcherTimer.Stop();
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LChartALL.ViewXY.XAxes[0].ScrollMode = XAxisScrollMode.None;
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dispatcherTimer.Tick -= CompositionTarget_Rendering;
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}
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_lChartAll.EndUpdate();
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}
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}
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#endregion
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private void CreateChart()
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{
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@ -701,6 +739,9 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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LChartALL.BeginUpdate();
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for (int channelIndex = 0; channelIndex < _channelCount; channelIndex++)
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{
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double[] thisSeriesData = _data[channelIndex];
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_lChartAll.ViewXY.YAxes[channelIndex].SetRange(thisSeriesData.Min() - 1, thisSeriesData.Max() + 1);
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LChartALL.ViewXY.SampleDataSeries[channelIndex].AddSamples(_data[channelIndex], true);
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}
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LChartALL.EndUpdate();
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@ -750,100 +791,11 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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}
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}
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#region 实时数据
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private void CompositionTarget_Rendering(object sender, EventArgs e)
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{
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RenderNextFrame();
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}
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private void RenderNextFrame()
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{
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if (_lChartAll == null)
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{
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return;
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}
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_dispatcher.Invoke(() =>
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{
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FeedData(/*chartTitleText*/);
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});
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}
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int _iRound = 0;
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double _pointsAppended = 0;
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double[][] _data;
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int PreGenerateDataForRoundCount = 6;
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private void FeedData(/*string chartTitleText*/)
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{
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if (_lChartAll != null)
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{
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_lChartAll.BeginUpdate();
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//Append data to series
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System.Threading.Tasks.Parallel.For(0, _channelCount, (seriesIndex) =>
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{
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double[] thisSeriesData = _data[seriesIndex];
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double[] dataToAppendNow = new double[_samplingFrequency];
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Array.Copy(thisSeriesData, (_iRound % PreGenerateDataForRoundCount) * _samplingFrequency, dataToAppendNow, 0, _samplingFrequency);
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_lChartAll.ViewXY.SampleDataSeries[seriesIndex].AddSamples(dataToAppendNow, false);
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System.Diagnostics.Debug.WriteLine("***********index:{0}, pointCount:{1},time:{2}", seriesIndex,
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_lChartAll.ViewXY.SampleDataSeries[seriesIndex].PointCount, DateTime.Now);
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});
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_pointsAppended += 1;
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//Set X axis real-time scrolling position
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double lastX = _pointsAppended;
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_lChartAll.ViewXY.XAxes[0].ScrollPosition = lastX;
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//Update sweep bands
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if (_lChartAll.ViewXY.XAxes[0].ScrollMode == XAxisScrollMode.Sweeping)
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{
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//Dark band of old page fading away
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double pageLen = _lChartAll.ViewXY.XAxes[0].Maximum - _lChartAll.ViewXY.XAxes[0].Minimum;
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double sweepGapWidth = pageLen / 20.0;
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_lChartAll.ViewXY.Bands[0].SetValues(lastX - pageLen, lastX - pageLen + sweepGapWidth);
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if (_lChartAll.ViewXY.Bands[0].Visible == false)
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{
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_lChartAll.ViewXY.Bands[0].Visible = true;
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}
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//Bright new page band
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_lChartAll.ViewXY.Bands[1].SetValues(lastX - sweepGapWidth / 6, lastX);
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if (_lChartAll.ViewXY.Bands[1].Visible == false)
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{
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_lChartAll.ViewXY.Bands[1].Visible = true;
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}
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}
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else
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{
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//Hide sweeping bands if not in sweeping mode
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//if (_lChartAll.ViewXY.Bands[0].Visible == true)
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//{
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// _lChartAll.ViewXY.Bands[0].Visible = false;
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//}
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//if (_lChartAll.ViewXY.Bands[1].Visible == true)
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//{
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// _lChartAll.ViewXY.Bands[1].Visible = false;
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//}
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}
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_lChartAll.EndUpdate();
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_iRound++;
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}
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}
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private double[][] _data;
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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var str= navigationContext.Parameters.GetValue<string>("model");
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if(str == "实时波形")
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{
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IsRealtimeData = true;
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}
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else
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{
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IsRealtimeData = false;
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}
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}
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public bool IsNavigationTarget(NavigationContext navigationContext)
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@ -855,7 +807,5 @@ namespace StartServerWPF.Modules.MseedChart.ViewModels
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{
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}
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#endregion
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}
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}
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mzhifa
1 year ago