public void ConstructorTest()
{
TimeSpanSeries ts = new TimeSpanSeries();
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 0, 0), new DateTime(2014, 1, 1, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 13, 1, 0), new DateTime(2014, 1, 1, 13, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 2, 12, 0, 0), new DateTime(2014, 1, 2, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 3, 12, 0, 0), new DateTime(2014, 1, 3, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 4, 12, 0, 0), new DateTime(2014, 1, 4, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 4, 12, 12, 0), new DateTime(2014, 1, 4, 12, 24, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 12, 12, 12, 0), new DateTime(2014, 1, 12, 12, 24, 0), 10));
FixedTimeStepSeries fx = new FixedTimeStepSeries(ts, true);
var daily = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Day, true);
Assert.AreEqual(5, daily.TimeSpanValues.Count());
var monthly = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Month, true);
var yearly = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Year, true);
Assert.AreEqual(ts.Sum, monthly.Sum);
ts = new TimeSpanSeries() { TimeStepSize = TimeStepUnit.Minute };
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 15, 0), new DateTime(2014, 1, 1, 12, 30, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 30, 0), new DateTime(2014, 1, 1, 12, 45, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 14, 45, 0), new DateTime(2014, 1, 1, 15, 00, 0), 10));
ts.GapFill(InterpolationMethods.DeleteValue, TimeSpan.FromMinutes(15));
fx = new FixedTimeStepSeries(ts, false);
Assert.AreEqual(10,fx.Items[0].Value);
}
public void ChangeZoomLevelTimespan()
{
TimeSpanSeries ts = new TimeSpanSeries();
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 1, 1, 12, 0, 0), new DateTime(2010, 1, 1, 12, 15, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 1, 1, 12, 15, 0), new DateTime(2010, 1, 1, 12, 30, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 10, 1, 12, 0, 0), new DateTime(2010, 10, 1, 12, 15, 0), 10));
ts.TimeStepSize = TimeStepUnit.Minute;
TimeSpanSeries ts2 = new TimeSpanSeries(TSTools.ChangeZoomLevel(ts, TimeStepUnit.Month, true));
Assert.AreEqual(20, ts2.Max);
Assert.AreEqual(2, ts2.Count);
}
public static double GetAccessability(TimeSpanSeries activeperiods)
{
if (activeperiods.Count == 0)
return -1;
if (activeperiods.Count == 1)
return 1;
double MeanTimeBetweenErrors = activeperiods.Items.Average(t => t.Duration.TotalSeconds);
double MeanTimeInError = 0;
for (int i = 0; i < activeperiods.Count - 1; i++)
{
MeanTimeInError += activeperiods.Items[i+1].StartTime.Subtract(activeperiods.Items[i].EndTime).TotalSeconds;
}
MeanTimeInError /= activeperiods.Count - 1;
return MeanTimeBetweenErrors / (MeanTimeBetweenErrors + MeanTimeInError);
}
/// <summary>
/// Checks if there are any holes in the data series. Returns the active periods.
/// </summary>
/// <param name="data"></param>
/// <param name="Interval"></param>
/// <returns></returns>
public static TimeSpanSeries GetActivePeriods(TimeStampSeries data, TimeSpan Interval)
{
TimeSpanSeries toreturn = new TimeSpanSeries();
if (data.Count > 0)
{
TimeSpanValue currentvalue = new TimeSpanValue(data.StartTime, data.StartTime, 1);
for (int i = 0; i < data.Count; i++)
{
if (data.Items[i].Time <= currentvalue.EndTime.Add(Interval))
currentvalue.EndTime = data.Items[i].Time;
else
{
toreturn.Items.Add(currentvalue);
currentvalue = new TimeSpanValue(data.Items[i].Time, data.Items[i].Time, 1);
}
}
toreturn.Items.Add(currentvalue);
}
return toreturn;
}
public void ConstructorTest()
{
TimeSpanSeries ts = new TimeSpanSeries();
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 0, 0), new DateTime(2014, 1, 1, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 13, 1, 0), new DateTime(2014, 1, 1, 13, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 2, 12, 0, 0), new DateTime(2014, 1, 2, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 3, 12, 0, 0), new DateTime(2014, 1, 3, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 4, 12, 0, 0), new DateTime(2014, 1, 4, 12, 12, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 4, 12, 12, 0), new DateTime(2014, 1, 4, 12, 24, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 12, 12, 12, 0), new DateTime(2014, 1, 12, 12, 24, 0), 10));
FixedTimeStepSeries fx = new FixedTimeStepSeries(ts, true);
var daily = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Day, true);
Assert.AreEqual(5, daily.TimeSpanValues.Count());
var monthly = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Month, true);
var yearly = TSTools.ChangeZoomLevel(fx, TimeStepUnit.Year, true);
Assert.AreEqual(ts.Sum, monthly.Sum);
ts = new TimeSpanSeries()
{
TimeStepSize = TimeStepUnit.Minute
};
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 15, 0), new DateTime(2014, 1, 1, 12, 30, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 12, 30, 0), new DateTime(2014, 1, 1, 12, 45, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2014, 1, 1, 14, 45, 0), new DateTime(2014, 1, 1, 15, 00, 0), 10));
ts.GapFill(InterpolationMethods.DeleteValue, TimeSpan.FromMinutes(15));
fx = new FixedTimeStepSeries(ts, false);
Assert.AreEqual(10, fx.Items[0].Value);
}
public void ChangeZoomLevelTimespan()
{
TimeSpanSeries ts = new TimeSpanSeries();
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 1, 1, 12, 0, 0), new DateTime(2010, 1, 1, 12, 15, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 1, 1, 12, 15, 0), new DateTime(2010, 1, 1, 12, 30, 0), 10));
ts.Items.Add(new TimeSpanValue(new DateTime(2010, 10, 1, 12, 0, 0), new DateTime(2010, 10, 1, 12, 15, 0), 10));
ts.TimeStepSize = TimeStepUnit.Minute;
TimeSpanSeries ts2 = new TimeSpanSeries(TSTools.ChangeZoomLevel(ts, TimeStepUnit.Month, true));
Assert.AreEqual(20, ts2.Max);
Assert.AreEqual(2, ts2.Count);
}
/// <summary>
/// Changes the zoomlevel of a timespanseries
/// </summary>
/// <param name="Data"></param>
/// <param name="NewZoomLevel"></param>
/// <param name="Accumulate"></param>
/// <returns></returns>
public static IEnumerable<TimeSpanValue> ChangeZoomLevel(TimeSpanSeries Data, TimeStepUnit NewZoomLevel, bool Accumulate)
{
if (Data.TimeStepSize <= NewZoomLevel)
return null;
List<TimeSpanValue> ToReturn = new List<TimeSpanValue>();
DateTime start = Data.StartTime;
DateTime end = Data.EndTime;
TimeSpanValue CurrentValue = new TimeSpanValue(GetTimeOfFirstTimeStep(start, NewZoomLevel), GetTimeOfFirstTimeStep(start, NewZoomLevel).AddTimeStepUnit(NewZoomLevel), 0);
double currentcount = 0;
foreach (var v in Data.Items.Where(dv => dv.Value != Data.DeleteValue))
{
if (CurrentValue.StartTime <= v.StartTime & v.StartTime<= CurrentValue.EndTime)
{
if (CurrentValue.EndTime >= v.EndTime) //We are still within the timespan
{
CurrentValue.Value += v.Value;
currentcount++;
}
else //We exceed the timespan
{
double outsidefraction =(v.EndTime.Subtract(CurrentValue.EndTime).TotalDays / v.EndTime.Subtract(v.StartTime).TotalDays);
CurrentValue.Value += v.Value*(1 - outsidefraction);
currentcount += 1 - outsidefraction;
if (!Accumulate & currentcount != 0)
CurrentValue.Value /= currentcount;
ToReturn.Add(CurrentValue);
CurrentValue = new TimeSpanValue(CurrentValue.EndTime, CurrentValue.EndTime.AddTimeStepUnit(NewZoomLevel), v.Value*outsidefraction);
currentcount = outsidefraction;
}
}
else
{
if (!Accumulate & currentcount != 0)
CurrentValue.Value /= currentcount;
ToReturn.Add(CurrentValue);
CurrentValue = new TimeSpanValue(GetTimeOfFirstTimeStep(v.StartTime, NewZoomLevel), GetTimeOfFirstTimeStep(v.StartTime, NewZoomLevel).AddTimeStepUnit(NewZoomLevel), v.Value);
currentcount = 1;
}
}
if (!Accumulate & currentcount != 0)
CurrentValue.Value /= currentcount;
ToReturn.Add(CurrentValue);
return ToReturn;
}
