private void UpdateSummaryData(SummaryData summaryData)
{
TrimToGraphRange(this.DataPointsHashRate, this.SelectedGraphTimeSpan.Span);
// add the data point to our series if it will actually result in an additional pixel, this prevents the graph from getting overloaded with too many
// data points even if the UI stays open for long periods of time (for example, a new point every 10 seconds at 7d time range - that would result
// in a very high density that would impact performance while not actually showing any additional detail on the screen)
var dataPoint = new DataPoint() { TimeLocal = summaryData.TimestampUtc.ToLocalTime(), Value = summaryData.TotalKiloHashesAverage5Sec };
var minimumGap = TimeSpan.FromMilliseconds(this.SelectedGraphTimeSpan.Span.TotalMilliseconds / Math.Max(this.GraphWidth, InitialWindowWidth));
if (this.DataPointsHashRate.Count == 0 || (dataPoint.TimeLocal - this.DataPointsHashRate.Last().TimeLocal) >= minimumGap)
{
PerformFlatLineFix(this.DataPointsHashRate, dataPoint);
this.DataPointsHashRate.Add(dataPoint);
}
// inform the data manager about the new point (regardless of display density logic)
if (this.summaryDataManager != null)
{
this.summaryDataManager.Add(summaryData);
}
this.ApplicationTitle = string.Format("Mining Controller ({0:0.#} KH/s)", summaryData.TotalKiloHashesAverage5Sec);
}
private static void PerformFlatLineFix(IEnumerable<DataPoint> hashRateData, DataPoint referencePoint = null)
{
// workaround for charting component unable to handle displaying a straight line (if all viewable data points are equal to the same value it throws an overflow exception)
if (referencePoint == null)
{
referencePoint = hashRateData.FirstOrDefault();
}
if (hashRateData.Count() > 0 && hashRateData.All(p => p.Value == referencePoint.Value))
{
referencePoint.Value += 1.0 / 10000;
}
}