/// <summary>
/// Gets the trend direction symbolic interpretation
/// </summary>
/// <param name="direction">The direction.</param>
/// <returns></returns>
public static string GetTrendDirectionSymbols(this measureTrendDirection direction)
{
// ▲▼▴▾○◦●■□
string output = "";
string left = "";
string right = "";
if (direction.HasFlag(measureTrendDirection.macroStable))
{
left += "-";
right += "-";
}
if (direction.HasFlag(measureTrendDirection.microStable))
{
left += "-";
right += "-";
}
if (direction.HasFlag(measureTrendDirection.macroDown))
{
left += "<-";
}
if (direction.HasFlag(measureTrendDirection.microDown))
{
left += "<<";
}
if (direction.HasFlag(measureTrendDirection.microUp))
{
right += ">>";
}
if (direction.HasFlag(measureTrendDirection.macroUp))
{
right += "->";
}
output = left + "" + right;
return(output);
}
/// <summary>
/// Deploys the sample.
/// </summary>
/// <param name="samples">The samples.</param>
protected void deploySample(IEnumerable <double> samples)
{
SampleState = trendTaker.GetSampleState(samples.Count());
sampleSize = samples.Count();
sPeriod = sampledPeriod.GetRatio(sampleSize);
if (SampleState.HasFlag(measureTrendSampleState.macroMean))
{
var smp = samples.Take(trendTaker.MacroSampleSize);
// Double smpMinutes = 0;
// smpMinutes = sPeriod * smp.Count();
if (trendTaker.IsTimeAverage)
{
MacroMean = smp.Sum().GetRatio((sPeriod * trendTaker.MacroSampleSize)); //(sum.GetRatio(smp.Count())) / sPeriod;
MacroMin = smp.Min() / sPeriod;
MacroMax = smp.Max() / sPeriod;
}
else
{
MacroMean = smp.Average();
MacroMin = smp.Min();
MacroMax = smp.Max();
}
}
if (SampleState.HasFlag(measureTrendSampleState.microMean))
{
if (trendTaker.IsTimeAverage)
{
MicroMean = samples.Take(trendTaker.MicroSampleSize).Sum().GetRatio((sPeriod * trendTaker.MicroSampleSize));
}
else
{
MicroMean = samples.Take(trendTaker.MicroSampleSize).Average();
}
}
if (SampleState.HasFlag(measureTrendSampleState.spearMean))
{
if (trendTaker.IsTimeAverage)
{
SpearMean = samples.Take(trendTaker.SpearSampleSize).Sum().GetRatio((sPeriod * trendTaker.SpearSampleSize));
}
else
{
SpearMean = samples.Take(trendTaker.SpearSampleSize).Average();
}
}
if (SampleState.HasFlag(measureTrendSampleState.microMean))
{
MicroTrend = (MicroMean - SpearMean).GetRatio(MicroMean);
Trend = MicroTrend - MicroMean;
}
if (SampleState.HasFlag(measureTrendSampleState.macroMean))
{
MacroTrend = (MacroMean - MicroMean).GetRatio(MacroMean);
Trend = MacroTrend - MicroTrend;
}
measureTrendDirection __direction = measureTrendDirection.ready;
if (Math.Abs(MicroTrend) <= trendTaker.ZeroMargin)
{
__direction |= measureTrendDirection.microStable;
}
else
{
if (MicroTrend > 0)
{
__direction |= measureTrendDirection.microUp;
}
else
{
__direction |= measureTrendDirection.microDown;
}
}
if (Math.Abs(MacroTrend) <= trendTaker.ZeroMargin)
{
__direction |= measureTrendDirection.macroStable;
}
else
{
if (MicroTrend > 0)
{
__direction |= measureTrendDirection.macroUp;
}
else
{
__direction |= measureTrendDirection.macroDown;
}
}
Direction = __direction;
}
