private void DrawTimeDomain(bool fitView)
{
try
{
if (viewModel == null || viewModel.CurrentSnapshotContract == null)
{
return;
}
PointLineSeries series = m_chart.ViewXY.PointLineSeries[0];
PointLineSeries series1 = m_chart.ViewXY.PointLineSeries[1];
LineSeriesCursor lineSeriesCursor = m_chart.ViewXY.LineSeriesCursors[0];
int index = GetNearestPointIndex(series, lineSeriesCursor.ValueAtXAxis);
if (index == -1)
{
if (series1.PointCount > 0)
{
m_chart.BeginUpdate();
series1.Clear();
m_chart.EndUpdate();
}
return;
}
SeriesPoint point = series.Points[index];
Guid id = (Guid)point.Tag;
SnapshotItemContract2 itemContract2 = viewModel.CurrentSnapshotContract.Item.Where(o => o.id == id).SingleOrDefault();
if (itemContract2 == null)
{
return;
}
ChannelDataContract channelData = itemContract2.Data;
if (channelData != null)
{
int length = channelData.VData.Length / 4;
SeriesPoint[] points = new SeriesPoint[length];
for (int i = 0; i < length; i++)
{
points[i].X = i;
points[i].Y = BitConverter.ToSingle(channelData.VData, i * 4);
}
m_chart.BeginUpdate();
series1.Points = points;
if (fitView)
{
m_chart.ViewXY.FitView();
}
m_chart.EndUpdate();
}
}
catch (Exception ex)
{
_eventAggregator.GetEvent <ThrowExceptionEvent>().Publish(Tuple.Create <string, Exception>("数据回放-报警点趋势-时域", ex));
}
}
private void DrawFrequencyDomain(bool fitView)
{
try
{
if (ViewModel == null || ViewModel.CurrentSnapshotContract == null)
{
return;
}
PointLineSeries series = m_chart.ViewXY.PointLineSeries[0];
PointLineSeries series1 = m_chart.ViewXY.PointLineSeries[1];
LineSeriesCursor lineSeriesCursor = m_chart.ViewXY.LineSeriesCursors[0];
int index = GetNearestPointIndex(series, lineSeriesCursor.ValueAtXAxis);
if (index == -1)
{
if (series1.PointCount > 0)
{
m_chart.BeginUpdate();
series1.Clear();
m_chart.EndUpdate();
}
return;
}
else
{
SeriesPoint point = series.Points[index];
Guid id = (Guid)point.Tag;
//htzk123,数据
//SnapshotItemContract2 itemContract2 = ViewModel.CurrentSnapshotContract.Item.Where(o => o.id == id).SingleOrDefault();
//if (itemContract2 == null) return;
//ChannelDataContract channelData = itemContract2.Data;
//if (channelData != null)
//{
// int length = channelData.VData.Length / 4;
// double[] vdata = new double[length];
// for (int i = 0; i < length; i++)
// {
// vdata[i] = BitConverter.ToSingle(channelData.VData, i * 4);
// }
// double frequencyInterval = channelData.SampleFre / channelData.SamplePoint;
// if (channelData.TriggerN == 2)
// {
// frequencyInterval = ((int)channelData.TeethNumber / 2) / length;
// }
// int frequencyLength = (int)(channelData.SamplePoint / 2.56);
// var outputAmp = Algorithm.Instance.FFT2Action(vdata, channelData.SamplePoint);
// m_chart.BeginUpdate();
// if (series1.Points==null||series1.Points.Length != frequencyLength)
// {
// series1.Points = new SeriesPoint[frequencyLength];
// }
// for (int i = 0; i < frequencyLength; i++)
// {
// series1.Points[i].X = frequencyInterval * i;
// series1.Points[i].Y = outputAmp[i];
// }
// if (fitView)
// {
// m_chart.ViewXY.ZoomToFit();
// }
// m_chart.EndUpdate();
//}
}
}
catch (Exception ex)
{
_eventAggregator.GetEvent <ThrowExceptionEvent>().Publish(Tuple.Create <string, Exception>("数据回放-报警点趋势-频域", ex));
}
}
private void ViewModel_SignalRefresh(IEnumerable <SignalToken> tokens, DateTime time, double size, bool refresh)
{
try
{
_chart.BeginUpdate();
_chart.ViewXY.PointLineSeries.ForEach(p => p.SeriesEventMarkers.Clear());
foreach (var token in tokens)
{
PointLineSeries series = _chart.ViewXY.PointLineSeries.Where(o => o.Tag == token).SingleOrDefault();
AxisY axisY = _chart.ViewXY.YAxes.Where(o => o.Tag == token).SingleOrDefault();
if (token is BaseDivfreSignalToken)
{
var divToken = token as BaseDivfreSignalToken;
if (divToken.DataContracts != null && divToken.DataContracts.Count > 0)//加入数据
{
SeriesPoint[] points = new SeriesPoint[divToken.DataContracts.Count];
for (int i = 0; i < points.Length; i++)
{
points[i].X = _chart.ViewXY.XAxes[0].DateTimeToAxisValue(divToken.DataContracts[i].ACQDatetime);
points[i].Y = divToken.DataContracts[i].Result.Value;
AddMarker(series, points[i], divToken.DataContracts[i].AlarmGrade);
}
series.Points = points;
axisY.Title.Text = divToken.DisplayName + "(" + divToken.DataContracts[0].Unit + ")";
if (refresh == true)
{
axisY.Maximum = divToken.UpperLimit;
axisY.Minimum = divToken.LowerLimit;
}
}
else
{
series.Clear();
}
}
else if (token is BaseWaveSignalToken)
{
var vToken = token as BaseWaveSignalToken;
if (vToken.DataContracts != null && vToken.DataContracts.Count > 0)//加入数据
{
SeriesPoint[] points = new SeriesPoint[vToken.DataContracts.Count];
for (int i = 0; i < points.Length; i++)
{
points[i].X = _chart.ViewXY.XAxes[0].DateTimeToAxisValue(vToken.DataContracts[i].ACQDatetime);
points[i].Y = vToken.DataContracts[i].Result.Value;
AddMarker(series, points[i], vToken.DataContracts[i].AlarmGrade);
}
series.Points = points;
axisY.Title.Text = vToken.DisplayName + "(" + vToken.DataContracts[0].Unit + ")";
if (refresh == true)
{
axisY.Maximum = vToken.UpperLimit;
axisY.Minimum = vToken.LowerLimit;
}
}
else
{
series.Clear();
}
}
else if (token is BaseAlarmSignalToken)
{
var anToken = token as BaseAlarmSignalToken;
if (anToken.DataContracts != null && anToken.DataContracts.Count > 0)//加入数据
{
SeriesPoint[] points = new SeriesPoint[anToken.DataContracts.Count];
for (int i = 0; i < points.Length; i++)
{
points[i].X = _chart.ViewXY.XAxes[0].DateTimeToAxisValue(anToken.DataContracts[i].ACQDatetime);
points[i].Y = anToken.DataContracts[i].Result.Value;
AddMarker(series, points[i], anToken.DataContracts[i].AlarmGrade);
}
series.Points = points;
axisY.Title.Text = anToken.DisplayName + "(" + anToken.DataContracts[0].Unit + ")";
if (refresh == true)
{
axisY.Maximum = anToken.UpperLimit;
axisY.Minimum = anToken.LowerLimit;
}
}
else
{
series.Clear();
}
}
}
_chart.ViewXY.XAxes[0].SetRange(_chart.ViewXY.XAxes[0].DateTimeToAxisValue(time), _chart.ViewXY.XAxes[0].DateTimeToAxisValue(time.AddHours(size)));
_chart.EndUpdate();
if (tokens != null && tokens.Count() > 0)
{
if (_chart.ViewXY.LineSeriesCursors[0].ValueAtXAxis <_chart.ViewXY.XAxes[0].Minimum || _chart.ViewXY.LineSeriesCursors[0].ValueAtXAxis> _chart.ViewXY.XAxes[0].Maximum)
{
_chart.ViewXY.LineSeriesCursors[0].ValueAtXAxis = (_chart.ViewXY.XAxes[0].Minimum + _chart.ViewXY.XAxes[0].Maximum) / 2.0;
}
else
{
UpdateCursorResult(_chart.ViewXY.LineSeriesCursors[0].ValueAtXAxis);
}
}
}
catch (Exception ex)
{
EventAggregatorService.Instance.EventAggregator.GetEvent <ThrowExceptionEvent>().Publish(Tuple.Create <string, Exception>("趋势-数据翻页", ex));
_chart.EndUpdate();
}
}