public PlotCollectionSet GetData(PlotCollectionSet dataset, int nDataIdx, int nLookahead, Guid?guid = null, bool bAddToParams = false)
{
EmaData data = GetEmaData(dataset, nDataIdx, nLookahead, bAddToParams);
return(new PlotCollectionSet(new List <PlotCollection>()
{
data.DstData
}));
}
public EmaData GetEmaData(PlotCollectionSet dataset, int nDataIdx, int nLookahead = 0, bool bAddToParams = false)
{
EmaData data = Pre(dataset, nDataIdx);
MinMax minmax = new MinMax();
for (int i = 0; i < data.SrcData.Count; i++)
{
Process(data, i, minmax, nLookahead, bAddToParams);
}
data.DstData.SetMinMax(minmax);
return(data);
}
public double Process(EmaData data, int i, MinMax minmax = null, int nLookahead = 0, bool bAddToParams = false)
{
bool bActive = data.SrcData[i].Active;
PlotCollection dataSrc = data.SrcData;
PlotCollection dataDst = data.DstData;
double dfMult = data.Multiplier;
if (i < dataSrc.Count)
{
if (data.Index < m_config.Interval)
{
if (bActive)
{
data.Total += dataSrc[i].Y;
data.Index++;
if (dataDst != null)
{
dataDst.Add(dataSrc[i].X, data.Total / (data.Index + 1), false, dataSrc[i].Index);
}
}
else
{
if (dataDst != null)
{
dataDst.Add(dataSrc[i].X, dataSrc[i].Y, false, dataSrc[i].Index);
}
}
}
else
{
if (data.EMA == 0)
{
data.EMA = data.Total / m_config.Interval;
}
if (i < dataSrc.Count - nLookahead)
{
data.EMA = (dataSrc[i].Y - data.EMA) * data.Multiplier + data.EMA;
}
else
{
bActive = false;
}
if (dataDst != null)
{
dataDst.Add(data.EMA, bActive, dataSrc[i].Index);
}
if (bAddToParams && bActive)
{
dataSrc[i].SetParameter(dataDst.Name, (float)data.EMA);
}
if (minmax != null)
{
minmax.Add(data.EMA);
}
}
}
return(data.EMA);
}