private void m_unsynchronizedSubscriber_NewMeasurements(object sender, EventArgs <ICollection <IMeasurement> > e)
{
if (0 == Interlocked.Exchange(ref m_processingUnsynchronizedMeasurements, 1))
{
try
{
foreach (IMeasurement measurement in e.Argument)
{
double tempValue = measurement.AdjustedValue;
if (!double.IsNaN(tempValue) && !double.IsInfinity(tempValue)) // Process data only if it is not NaN or infinity.
{
ChartPlotterDynamic.Dispatcher.Invoke(DispatcherPriority.Normal, (Action) delegate
{
if (m_yAxisDataCollection.Count == 0)
{
for (int i = 0; i < NumberOfPointsToPlot; i++)
{
m_yAxisDataCollection.Enqueue(tempValue);
}
m_yAxisBindingCollection = new EnumerableDataSource <double>(m_yAxisDataCollection);
m_yAxisBindingCollection.SetYMapping(y => y);
m_lineGraph = ChartPlotterDynamic.AddLineGraph(new CompositeDataSource(m_xAxisBindingCollection, m_yAxisBindingCollection), Color.FromArgb(255, 25, 25, 200), 1, "");
}
else
{
double oldValue;
if (m_yAxisDataCollection.TryDequeue(out oldValue))
{
m_yAxisDataCollection.Enqueue(tempValue);
}
}
m_yAxisBindingCollection.RaiseDataChanged();
});
}
}
}
finally
{
Interlocked.Exchange(ref m_processingUnsynchronizedMeasurements, 0);
}
}
}
private void m_subscriber_NewMeasurements(object sender, EventArgs <ICollection <IMeasurement> > e)
{
if (0 == Interlocked.Exchange(ref m_processingSynchronizedMeasurements, 1))
{
try
{
if (m_historicalPlayback && m_waitingForData)
{
m_waitingForData = false;
Dispatcher.BeginInvoke(new Action(delegate
{
ModeMessage.Text = "Historical";
}));
}
bool refreshMeasurementValueBelowChart = false;
if (DateTime.UtcNow.Ticks - m_lastRefreshTime > m_refreshRate)
{
m_lastRefreshTime = DateTime.UtcNow.Ticks;
refreshMeasurementValueBelowChart = true;
}
foreach (IMeasurement newMeasurement in e.Argument)
{
m_timeStampList.Enqueue(newMeasurement.Timestamp.ToString("HH:mm:ss.fff"));
if (m_timeStampList.Count > m_numberOfDataPointsToPlot)
{
string oldValue;
m_timeStampList.TryDequeue(out oldValue);
}
double tempValue = newMeasurement.AdjustedValue;
Guid tempSignalID = newMeasurement.ID;
if (!double.IsNaN(tempValue) && !double.IsInfinity(tempValue)) // Process data only if it is not NaN or infinity.
{
ConcurrentQueue <double> tempValueCollection;
if (m_yAxisDataCollection.TryGetValue(tempSignalID, out tempValueCollection)) // If value collection already exists, then just replace oldest value with newest.
{
double oldValue;
if (tempValueCollection.TryDequeue(out oldValue))
{
tempValueCollection.Enqueue(tempValue);
}
}
else // It is probably a new measurement user wants to subscribe to.
{
RealTimeMeasurement measurement;
// Check if user has selected this measurement. Because user may have unselected this but request may not have been processed completely.
if (m_selectedMeasurements.TryGetValue(tempSignalID, out measurement))
{
tempValueCollection = new ConcurrentQueue <double>();
for (int i = 0; i < m_numberOfDataPointsToPlot; i++)
{
tempValueCollection.Enqueue(tempValue);
}
m_yAxisDataCollection.TryAdd(tempSignalID, tempValueCollection);
EnumerableDataSource <double> tempDataSource = new EnumerableDataSource <double>(tempValueCollection);
m_yAxisBindingCollection.TryAdd(tempSignalID, tempDataSource);
tempDataSource.SetYMapping(y => y);
ChartPlotterDynamic.Dispatcher.Invoke(DispatcherPriority.Normal, (Action) delegate
{
int colorIndex;
Math.DivRem(m_yAxisBindingCollection.Count, 10, out colorIndex);
LineGraph lineGraph = null;
if (measurement.SignalAcronym == "FREQ")
{
lineGraph = ChartPlotterDynamic.AddLineGraph(new CompositeDataSource(m_xAxisBindingCollection, tempDataSource), m_lineColors[colorIndex], 1, measurement.SignalReference);
}
else if (measurement.SignalAcronym == "IPHA" || measurement.SignalAcronym == "VPHA")
{
lineGraph = PhaseAnglePlotter.AddLineGraph(new CompositeDataSource(m_xAxisBindingCollection, tempDataSource), m_lineColors[colorIndex], 1, measurement.SignalReference);
}
else if (measurement.SignalAcronym == "VPHM")
{
lineGraph = VoltagePlotter.AddLineGraph(new CompositeDataSource(m_xAxisBindingCollection, tempDataSource), m_lineColors[colorIndex], 1, measurement.SignalReference);
}
else if (measurement.SignalAcronym == "IPHM")
{
lineGraph = CurrentPlotter.AddLineGraph(new CompositeDataSource(m_xAxisBindingCollection, tempDataSource), m_lineColors[colorIndex], 1, measurement.SignalReference);
}
if ((object)lineGraph != null)
{
m_lineGraphCollection.TryAdd(tempSignalID, lineGraph);
measurement.Foreground = (SolidColorBrush)lineGraph.LinePen.Brush;
}
});
}
}
if (refreshMeasurementValueBelowChart)
{
lock (m_selectedMeasurements)
{
RealTimeMeasurement measurement;
if (m_selectedMeasurements.TryGetValue(tempSignalID, out measurement))
{
measurement.Value = tempValue.ToString("0.###");
measurement.TimeTag = newMeasurement.Timestamp.ToString("HH:mm:ss.fff");
measurement.Quality = newMeasurement.ValueQualityIsGood() ? "GOOD" : "UNKNOWN";
}
}
}
}
}
}
finally
{
Interlocked.Exchange(ref m_processingSynchronizedMeasurements, 0);
}
}
}