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StartServerWPF/StartServerWPF.Modules.Msee.../ViewModels/ChartPlotViewModel.cs

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修改界面问题
1 year ago
using Arction.Wpf.Charting;
using Arction.Wpf.Charting.Axes;
using Arction.Wpf.Charting.SeriesXY;
using Arction.Wpf.Charting.Views.ViewXY;
using Microsoft.Win32;
using StartServerWPF.Modules.MseedChart.Models;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using SharpDX.Direct2D1;
using SharpDX.DirectWrite;
using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net.Http.Headers;
using System.Reflection;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using System.Xml.Linq;
using Prism.Regions;
namespace StartServerWPF.Modules.MseedChart.ViewModels
{
public class ChartPlotViewModel : BindableBase, INavigationAware
{
public ChartPlotViewModel()
{
_dispatcher = Application.Current.Dispatcher;
_wavesModel = new WavesModel();
(Application.Current.MainWindow as System.Windows.Window).Closing += ApplicationClosingDispose;
IntervalTime=100;
CreateChart();
}
#region 字段
Dispatcher _dispatcher;
public int CurPoints;
int _channelCount = 0;
int _samplingFrequency = 500; // 采样频率 (Hz).
WavesModel _wavesModel;
private int _lChartCount = 1;
public ConcurrentQueue<StationModel> smList=new ConcurrentQueue<StationModel>();
public List<AxisY> _chartAxisY=new List<AxisY>();
private DispatcherTimer dispatcherTimer=new DispatcherTimer();
#endregion
#region 属性
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private string _title = "数据中心";
public string Title
{
get { return _title; }
set
{
SetProperty(ref _title, value);
}
}
private bool _isRealtimeData =false;
public bool IsRealtimeData
{
get { return _isRealtimeData; }
set
{
SetProperty(ref _isRealtimeData, value);
}
}
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private bool _isMultFiles;
public bool IsMultFiles
{
get { return _isMultFiles; }
set
{
SetProperty(ref _isMultFiles, value);
}
}
private int _xaisInterval;
public int XaisInterval
{
get { return _xaisInterval; }
set
{
SetProperty(ref _xaisInterval, value);
}
}
/// <summary>
/// 波形控件数量
/// </summary>
public int LChartCount
{
get { return _lChartCount; }
set { _lChartCount = value; }
}
private LightningChart _lChartAll;
/// <summary>
/// 所有波形
/// </summary>
public LightningChart LChartALL
{
get { return _lChartAll; }
set { _lChartAll = value; }
}
private FrameworkElement childContent;
public FrameworkElement ChildContent
{
get { return childContent; }
set { childContent = value; }
}
private Grid gridChart;
public Grid GridChart
{
get { return gridChart; }
set { gridChart = value; }
}
private StationEventJson _currentEventTime;
public StationEventJson CurrentEventTime
{
get { return _currentEventTime; }
set { _currentEventTime = value; }
}
private List<StationAxis> _stationsName;
public List<StationAxis> StationsName
{
get { return _stationsName; }
set {
SetProperty(ref _stationsName, value);
}
}
private string _currentTime;
public string CurrentTime
{
get { return _currentTime; }
set {
SetProperty(ref _currentTime, value);
}
}
private YAxisAutoPlacement _yaxisPlacement;
public YAxisAutoPlacement YaxisPlacement
{
get { return _yaxisPlacement; }
set
{
LChartALL.ViewXY.AxisLayout.YAxisAutoPlacement = value;
int distancetoX =_wavesModel.SetYasixPlacement(LChartALL);
foreach (var item in LChartALL.ViewXY.YAxes)
{
item.Title.DistanceToAxis = distancetoX;
}
SetProperty(ref _yaxisPlacement, value);
}
}
private int _IntervalTime=10;
public int IntervalTime
{
get { return _IntervalTime; }
set
{
if (value >=10)
{
dispatcherTimer.Interval = TimeSpan.FromMilliseconds(value);
}
SetProperty(ref _IntervalTime, value);
}
}
private bool _SingleChannel=false;
public bool SingleChannel
{
get { return _SingleChannel; }
set
{
if(!value)
{
YasixZENVisible("SHN", true);
YasixZENVisible("SHN", true);
YasixZENVisible("SHE", true);
}
else
{
YasixZENVisible("SHN", false);
YasixZENVisible("SHE", false);
YasixZENVisible("SHZ", false);
YasixZENVisible(SelectChannel, false);
}
SetProperty(ref _SingleChannel, value);
}
}
private string _SelectChannel;
public string SelectChannel
{
get { return _SelectChannel; }
set
{
if (SingleChannel)
{
YasixZENVisible(_SelectChannel, false);
YasixZENVisible(value, true);
}
SetProperty(ref _SelectChannel, value);
}
}
#endregion
#region 事件
public DelegateCommand LoadedCommand => new DelegateCommand(Loaded);
public DelegateCommand<object> AxesYVisibleCommand => new DelegateCommand<object>(AxesYVisible);
public DelegateCommand<object> FileSelectorCommand => new DelegateCommand<object>(FileSelector);
public DelegateCommand<object> OtimeSortCommand => new DelegateCommand<object>(OtimeSort);
public DelegateCommand IntervalSureCommand => new DelegateCommand(IntervalSure);
public DelegateCommand<object> RealTimeDataCommand => new DelegateCommand<object>(RealTimeData);
private void Loaded()
{
}
private void AxesYVisible(object isCheck)
{
if (_lChartAll != null)
{
bool yAxesVisible = ((bool)isCheck == true);
_lChartAll.BeginUpdate();
foreach (AxisY yAxis in _lChartAll.ViewXY.YAxes)
{
yAxis.Visible = yAxesVisible;
}
_lChartAll.EndUpdate();
}
}
private void FileSelector(object obj)
{
IsMultFiles = Convert.ToBoolean(obj);
OpenFileDialog openFileDialog = new OpenFileDialog
{
RestoreDirectory = true,
Filter = ".mseed|*.mseed|.json|*.json|.txt|*.txt",
};
if (openFileDialog.ShowDialog() == true)
{
string asciiSavePath = openFileDialog.FileName.Replace("Mseed", "Txt");
asciiSavePath = Path.ChangeExtension(asciiSavePath, ".txt");
string JsonPath = Path.ChangeExtension(openFileDialog.FileName, "Json");
Stopwatch st = new Stopwatch();
st.Start();
//读取.json文件
CurrentEventTime = _wavesModel.ReadChartJsonFile(JsonPath);
//读取.mseed文件
smList = _wavesModel.ReadMseedFile(openFileDialog.FileName, asciiSavePath, IsMultFiles);
_channelCount = smList.Count * 3;
CurrentTime = smList.First().BeginTime.ToShortDateString();
StationsName = smList.Select(a => new StationAxis{Name= a.Name,IsChecked=true,SelectCommand =new DelegateCommand<object>(StationsNameVisible)}).ToList();
StartChart();
st.Stop();
Debug.WriteLine("统计时间StartChart************：{0}", st.Elapsed);
FeedDatasToChart();
_wavesModel.CreateAxisYEventTime(CurrentEventTime, LChartALL.ViewXY, smList.ToList());
}
}
private void OtimeSort(object isCheck)
{
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if (_lChartAll != null&& (_chartAxisY.Count!=0))
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{
LChartALL.BeginUpdate();
bool yAxesVisible = ((bool)isCheck == true);
ViewXY v = _lChartAll.ViewXY;
IOrderedEnumerable<LineCollection> lines;
if (yAxesVisible)
{
lines = v.LineCollections.Where(a => a.Tag != null && a.Tag.ToString().Contains("SHZ")).OrderBy(a => a.Lines[0].AX);
}
else
{
lines = v.LineCollections.Where(a => a.Tag != null && a.Tag.ToString().Contains("SHZ")).OrderByDescending(b => b.Lines[0].AX); ;
}
int number = v.YAxes.Count / (_chartAxisY.Count / 3);
foreach (var item in lines.Reverse())
{
int index = item.AssignYAxisIndex;
for (int i = 0; i < number; i++)
{
if (index == -1) continue; //隐藏轴不需要处理
AxisY axisY = v.YAxes[index + i];
v.YAxes.RemoveAt(index + i);
v.YAxes.Insert(i, axisY);
}
}
LChartALL.EndUpdate();
}
}
private void YasixZENVisible(string content, bool yAxesVisible)
{
if (_lChartAll != null)
{
_lChartAll.BeginUpdate();
ViewXY v = _lChartAll.ViewXY;
string conStr = (content == "SHZ") ? ".Z" : (content == "SHN") ? ".N" : ".E";
for (int i = 0; i <_chartAxisY.Count; i++)
{
AxisY axisY = _chartAxisY[i];
if (axisY.Title.Text.Contains(conStr))
{
if (yAxesVisible)
{
v.YAxes.Remove(axisY);
}
else
{
string str = axisY.Title.Text.Replace(conStr, "");
int yIndex = 0;
if (content == "SHZ")
{
yIndex = v.YAxes.FindIndex(y => y.Title.Text.Contains(str));
}
else if (content == "SHE")
{
yIndex = v.YAxes.FindLastIndex(y => y.Title.Text.Contains(str));
if (yIndex != -1) yIndex += 1;
}
else
{
yIndex = v.YAxes.FindIndex(y => y.Title.Text.Contains(str));
if (yIndex != -1)
{
if (v.YAxes[yIndex].Title.Text.Contains(".Z"))
{
yIndex = yIndex + 1;
}
}
}
//如果没有查到，直接添加到前面,如果为容器最大索引，只能添加到后面
if (yIndex == -1 || (yIndex == v.YAxes.Count))
{
yIndex = v.YAxes.Count;
v.YAxes.Add(axisY);
}
else
{
v.YAxes.Insert(yIndex, axisY);
}
int sampleIndex = v.SampleDataSeries.FindIndex(y => y.Title.Text == _chartAxisY[i].Title.Text);
v.SampleDataSeries[sampleIndex].AssignYAxisIndex = yIndex;
int lineIndex = v.LineCollections.FindIndex(a => a.Title.Text.Contains(_chartAxisY[i].Title.Text));
if (lineIndex != -1)
{
v.LineCollections[lineIndex].AssignYAxisIndex = yIndex;
}
}
}
}
_lChartAll.EndUpdate();
}
}
private void IntervalSure()
{
if (_lChartAll != null)
{
_lChartAll.BeginUpdate();
if (XaisInterval >= 2)
{
_lChartAll.ViewXY.XAxes[0].MajorDivCount = XaisInterval;
}
_lChartAll.EndUpdate();
}
}
private void StationsNameVisible(object obj)
{
var station = obj as StationAxis;
if (_lChartAll != null)
{
_lChartAll.BeginUpdate();
bool yAxesVisible = (station.IsChecked == false);
ViewXY v = _lChartAll.ViewXY;
var yAxisList= _chartAxisY.Where(y => y.Title.Text.Contains(station.Name));
foreach (var item in yAxisList)
{
if (yAxesVisible)
{
v.YAxes.Remove(item);
}
else
{
v.YAxes.Add(item);
//SampleDataSeries查找数据对应的Y轴索引, 重新分配到对应的轴
int sampleIndex = v.SampleDataSeries.FindIndex(s => s.Title.Text == item.Title.Text);
v.SampleDataSeries[sampleIndex].AssignYAxisIndex = v.YAxes.Count()-1;
//LineCollections查找数据对应的Y轴索引, 重新分配到对应的轴
int lineIndex = v.LineCollections.FindIndex(s => s.Title.Text.Contains(item.Title.Text));
if (lineIndex != -1)
{
v.LineCollections[lineIndex].AssignYAxisIndex = v.YAxes.Count() - 1;
}
}
}
_lChartAll.EndUpdate();
}
}
private void RealTimeData(object isCheck)
{
if (_lChartAll != null)
{
bool yAxesVisible = ((bool)isCheck == true);
if (smList.Count == 0)
{
return;
}
_lChartAll.BeginUpdate();
if (yAxesVisible)
{
StartChart();
//Set real-time monitoring automatic old data destruction
LChartALL.ViewXY.DropOldSeriesData = true;
_pointsAppended = LChartALL.ViewXY.XAxes[0].Minimum;
dispatcherTimer.Tick -= CompositionTarget_Rendering;
dispatcherTimer.Tick += CompositionTarget_Rendering;
LChartALL.ViewXY.XAxes[0].ScrollMode = XAxisScrollMode.Scrolling;
dispatcherTimer.Start();
}
else
{
dispatcherTimer.Stop();
LChartALL.ViewXY.XAxes[0].ScrollMode = XAxisScrollMode.None;
dispatcherTimer.Tick -= CompositionTarget_Rendering;
}
_lChartAll.EndUpdate();
}
}
#endregion
private void CreateChart()
{
if (LChartALL != null)
{
LChartALL = null;
}
LChartALL = new LightningChart();
LChartALL.Title.Align = ChartTitleAlignment.TopCenter;
LChartALL.ChartRenderOptions.DeviceType = RendererDeviceType.AutoPreferD11;
LChartALL.ChartRenderOptions.LineAAType2D = LineAntiAliasingType.QLAA;
LChartALL.Title.Text = "事件波形";
LChartALL.Title.Font = new WpfFont("等线", 20);
//轴属性和布局
LChartALL.ViewXY.AxisLayout.YAxesLayout = YAxesLayout.Stacked;
LChartALL.ViewXY.AxisLayout.SegmentsGap = 0;
LChartALL.ViewXY.ZoomPanOptions.PanDirection = PanDirection.Horizontal;
LChartALL.ViewXY.ZoomPanOptions.WheelZooming = WheelZooming.Horizontal;
LChartALL.ViewXY.AxisLayout.YAxisAutoPlacement = YAxisAutoPlacement.AllRight;
LChartALL.ViewXY.AxisLayout.YAxisTitleAutoPlacement = false;
LChartALL.ViewXY.AxisLayout.AutoAdjustMargins = false;
LChartALL.ViewXY.ZoomPanOptions.DevicePrimaryButtonAction = UserInteractiveDeviceButtonAction.Pan;
LChartALL.ViewXY.ZoomPanOptions.DeviceSecondaryButtonAction = UserInteractiveDeviceButtonAction.None;
LChartALL.ViewXY.ZoomPanOptions.WheelZooming = WheelZooming.Horizontal;
// 反锯齿系数。值0和1都不会应用反锯齿
LChartALL.ChartRenderOptions.AntiAliasLevel = 0;
//X轴设置
LChartALL.ViewXY.XAxes[0].AllowScrolling = true;
LChartALL.ViewXY.XAxes[0].PanningEnabled = true;
LChartALL.ViewXY.XAxes[0].MajorGrid.Pattern = LinePattern.Solid;
LChartALL.ViewXY.XAxes[0].ValueType = AxisValueType.DateTime;
LChartALL.ViewXY.XAxes[0].KeepDivCountOnRangeChange = true;
//LChartALL.ViewXY.XAxes[0].MajorDiv =6;
LChartALL.ViewXY.XAxes[0].LabelsColor = Colors.Black;
LChartALL.ViewXY.XAxes[0].AutoDivSpacing = false;
LChartALL.ViewXY.XAxes[0].MajorDivCount = 5;
XaisInterval = 5;
//图表背景颜色
LChartALL.ViewXY.GraphBackground.Color = Colors.White;
LChartALL.ViewXY.GraphBackground.GradientColor = Colors.White;
LChartALL.ChartBackground.GradientFill = GradientFill.Solid;
LChartALL.ChartBackground.Color = Color.FromArgb(0, 0, 0, 0);
GridChart = new Grid();
GridChart.ColumnDefinitions.Add(new ColumnDefinition());
GridChart.Name = "chartGrid";
GridChart.Children.Add(LChartALL);
this.ChildContent = GridChart;
}
private void StartChart()
{
DisposeAllAndClear(_chartAxisY);
ViewXY v = LChartALL.ViewXY;
LChartALL.SizeChanged -= LChartALL_SizeChanged;
LChartALL.SizeChanged += LChartALL_SizeChanged;
LChartALL.ViewXY.Zoomed -= ViewXY_Zoomed;
LChartALL.ViewXY.Zoomed += ViewXY_Zoomed;
LChartALL.ViewXY.Panned -= ViewXY_Panned;
LChartALL.ViewXY.Panned += ViewXY_Panned;
DisposeAllAndClear(v.YAxes);
DisposeAllAndClear(v.SampleDataSeries);
DisposeAllAndClear(v.LineCollections);
v.Margins=new Thickness(60, 30, 60, 60);
v.YAxes.AddRange(_wavesModel.CreateYAxisChart(smList.ToList(), LChartALL));
v.LegendBoxes[0].Position = LegendBoxPositionXY.RightCenter;
v.LegendBoxes[0].Offset.SetValues(-10, 180);
v.LegendBoxes[0].Layout = LegendBoxLayout.Vertical;
v.LegendBoxes[0].Visible = false;
v.LegendBoxes[0].Shadow.Color = Colors.Transparent;
v.LegendBoxes[0].BorderColor = Colors.Transparent;
v.AutoSpaceLegendBoxes = true;
v.AxisLayout.SegmentsGap = 3;
v.LegendBoxes[0].Shadow.Visible = false;
StationModel stationModel = smList.First();
var beginTime= stationModel.BeginTime;
if (AxisValueType.DateTime == v.XAxes[0].ValueType)
{
//设置X轴的开始时间
v.XAxes[0].AutoFormatLabels = false;
v.XAxes[0].LabelsTimeFormat = "HH:mm:ss.ff";
v.XAxes[0].DateOriginYear = beginTime.Year;
v.XAxes[0].DateOriginDay = beginTime.Day;
v.XAxes[0].DateOriginMonth = beginTime.Month;
DateTime MaxDateTime = beginTime.AddSeconds(_samplingFrequency == 500 ? 30 : 60);
v.XAxes[0].SetRange(v.XAxes[0].DateTimeToAxisValue(beginTime), v.XAxes[0].DateTimeToAxisValue(MaxDateTime));
}
double firstSampleTimeStamp = v.XAxes[0].DateTimeToAxisValue(beginTime);
int count = stationModel.Dzne.Count;
int number= smList.Count*3;
for (int i = 0; i < number; i++)
{
int seriesIndex = i;
AxisY axisY = v.YAxes[seriesIndex];
axisY.LabelsColor = Colors.Black;
axisY.Title.Shadow.DropColor = Colors.Transparent;
// axisY.Title.Shadow.ContrastColor = Colors.Transparent;
axisY.Title.AllowDragging = false;
axisY.AllowAutoYFit = false;
axisY.Units.Visible = false;
axisY.LabelsFont.Size = 10;
axisY.Title.Angle = 0;
axisY.MinorGrid.Visible = false;
axisY.AutoDivSpacing = false;
axisY.MajorDivCount = 2;
axisY.MinorDivTickStyle.Visible = false;
axisY.MajorDivTickStyle.Alignment = seriesIndex % 2 == 0 ? Alignment.Near : Alignment.Far;
// axisY.MajorDivTickStyle.LineLength = 6;
axisY.MajorDivTickStyle.Color = Colors.Black;
axisY.Title.Color = Colors.Black;
axisY.Title.Font = new WpfFont("Segoe UI", 10, false, false);
axisY.PanningEnabled = false;
axisY.AllowScrolling = false;
axisY.AllowScaling = false;
SampleDataSeries series = new SampleDataSeries(v, v.XAxes[0], axisY);
series.ShowInLegendBox = false;
series.FirstSampleTimeStamp = firstSampleTimeStamp;
series.SamplingFrequency = _samplingFrequency;
series.Title.Text = axisY.Title.Text;
series.SampleFormat = SampleFormat.DoubleFloat;
if (seriesIndex % 3 == 0)
{
series.LineStyle.Color = System.Windows.Media.Colors.DeepSkyBlue;
}
else if (seriesIndex % 3 == 1)
{
series.LineStyle.Color = System.Windows.Media.Colors.OrangeRed;
}
else if (seriesIndex % 3 == 2)
{
series.LineStyle.Color = System.Windows.Media.Colors.ForestGreen;
}
series.LineStyle.Width = 0.2;
series.ScrollModePointsKeepLevel = 1;
//series.ScrollingStabilizing = true;
v.SampleDataSeries.Add(series);
_chartAxisY.Add(axisY);
}
}
private void ViewXY_Panned(object sender, PannedXYEventArgs e)
{
foreach (var item in LChartALL.ViewXY.LineCollections)
{
double b = LChartALL.ViewXY.XAxes[0].ValueToCoordD(item.Lines[0].AX) - 80;
item.Title.Offset.SetValues((int)b, 3);
}
}
private void ViewXY_Zoomed(object sender, ZoomedXYEventArgs e)
{
foreach (var item in LChartALL.ViewXY.LineCollections)
{
double b = LChartALL.ViewXY.XAxes[0].ValueToCoordD(item.Lines[0].AX) - 80;
item.Title.Offset.SetValues((int)b, 3);
}
}
private void LChartALL_SizeChanged(object sender, SizeChangedEventArgs e)
{
int distancetoX = _wavesModel.SetYasixPlacement(LChartALL);
foreach (var item in LChartALL.ViewXY.YAxes)
{
item.Title.DistanceToAxis = distancetoX;
}
foreach (var item in LChartALL.ViewXY.LineCollections)
{
double b = LChartALL.ViewXY.XAxes[0].ValueToCoordD(item.Lines[0].AX)-80;
item.Title.Offset.SetValues((int)b, 3);
}
}
private void FeedDatasToChart()
{
_data = new double[smList.Count * 3][];
try
{
for (int channelIndex = 0; channelIndex < smList.Count; channelIndex++)
{
_data[channelIndex * 3] = smList.ElementAt(channelIndex).dz.ToArray();
_data[channelIndex * 3 + 1] = smList.ElementAt(channelIndex).dn.ToArray();
_data[channelIndex * 3 + 2] = smList.ElementAt(channelIndex).de.ToArray();
}
// Invoke FeedNewDataToChart.
_dispatcher.Invoke(() =>
{
LChartALL.BeginUpdate();
for (int channelIndex = 0; channelIndex < _channelCount; channelIndex++)
{
LChartALL.ViewXY.SampleDataSeries[channelIndex].AddSamples(_data[channelIndex], true);
}
LChartALL.EndUpdate();
});
}
catch (Exception ex)
{
throw ex;
}
}
private void ApplicationClosingDispose(object sender, CancelEventArgs e)
{
if (LChartALL != null)
{
LChartALL.Dispose();
LChartALL = null;
}
}
private void DisposeAllAndClear<T>(List<T> list) where T : IDisposable
{
if (list == null)
{
return;
}
while (list.Count > 0)
{
int lastInd = list.Count - 1;
T item = list[lastInd]; // take item ref from list.
list.RemoveAt(lastInd); // remove item first
if (item != null)
{
(item as IDisposable).Dispose(); // then dispose it.
}
}
}
public void Dispose()
{
gridChart.Children.Clear();
if (LChartALL != null)
{
LChartALL.Dispose();
LChartALL = null;
}
}
#region 实时数据
private void CompositionTarget_Rendering(object sender, EventArgs e)
{
RenderNextFrame();
}
private void RenderNextFrame()
{
if (_lChartAll == null)
{
return;
}
_dispatcher.Invoke(() =>
{
FeedData(/*chartTitleText*/);
});
}
int _iRound = 0;
double _pointsAppended = 0;
double[][] _data;
int PreGenerateDataForRoundCount = 6;
private void FeedData(/*string chartTitleText*/)
{
if (_lChartAll != null)
{
_lChartAll.BeginUpdate();
//Append data to series
System.Threading.Tasks.Parallel.For(0, _channelCount, (seriesIndex) =>
{
double[] thisSeriesData = _data[seriesIndex];
double[] dataToAppendNow = new double[_samplingFrequency];
Array.Copy(thisSeriesData, (_iRound % PreGenerateDataForRoundCount) * _samplingFrequency, dataToAppendNow, 0, _samplingFrequency);
_lChartAll.ViewXY.SampleDataSeries[seriesIndex].AddSamples(dataToAppendNow, false);
System.Diagnostics.Debug.WriteLine("***********index:{0}, pointCount:{1},time:{2}", seriesIndex,
_lChartAll.ViewXY.SampleDataSeries[seriesIndex].PointCount, DateTime.Now);
});
_pointsAppended += 1;
//Set X axis real-time scrolling position
double lastX = _pointsAppended;
_lChartAll.ViewXY.XAxes[0].ScrollPosition = lastX;
//Update sweep bands
if (_lChartAll.ViewXY.XAxes[0].ScrollMode == XAxisScrollMode.Sweeping)
{
//Dark band of old page fading away
double pageLen = _lChartAll.ViewXY.XAxes[0].Maximum - _lChartAll.ViewXY.XAxes[0].Minimum;
double sweepGapWidth = pageLen / 20.0;
_lChartAll.ViewXY.Bands[0].SetValues(lastX - pageLen, lastX - pageLen + sweepGapWidth);
if (_lChartAll.ViewXY.Bands[0].Visible == false)
{
_lChartAll.ViewXY.Bands[0].Visible = true;
}
//Bright new page band
_lChartAll.ViewXY.Bands[1].SetValues(lastX - sweepGapWidth / 6, lastX);
if (_lChartAll.ViewXY.Bands[1].Visible == false)
{
_lChartAll.ViewXY.Bands[1].Visible = true;
}
}
else
{
//Hide sweeping bands if not in sweeping mode
//if (_lChartAll.ViewXY.Bands[0].Visible == true)
//{
// _lChartAll.ViewXY.Bands[0].Visible = false;
//}
//if (_lChartAll.ViewXY.Bands[1].Visible == true)
//{
// _lChartAll.ViewXY.Bands[1].Visible = false;
//}
}
_lChartAll.EndUpdate();
_iRound++;
}
}
public void OnNavigatedTo(NavigationContext navigationContext)
{
var str= navigationContext.Parameters.GetValue<string>("model");
if(str == "实时波形")
{
完善界面功能
1 year ago
IsRealtimeData = true;
}
else
{
IsRealtimeData = false;
修改界面问题
1 year ago
}
}
public bool IsNavigationTarget(NavigationContext navigationContext)
{
return true;
}
public void OnNavigatedFrom(NavigationContext navigationContext)
{
}
#endregion
}
}