/// <summary>
/// The ZigZag indicator shows trend lines filtering out changes below a defined level.
/// </summary>
/// <returns></returns>
public ZigZag ZigZag(Data.IDataSeries input, DeviationType deviationType, double deviationValue, bool useHighLow)
{
if (cacheZigZag != null)
for (int idx = 0; idx < cacheZigZag.Length; idx++)
if (cacheZigZag[idx].DeviationType == deviationType && Math.Abs(cacheZigZag[idx].DeviationValue - deviationValue) <= double.Epsilon && cacheZigZag[idx].UseHighLow == useHighLow && cacheZigZag[idx].EqualsInput(input))
return cacheZigZag[idx];
lock (checkZigZag)
{
checkZigZag.DeviationType = deviationType;
deviationType = checkZigZag.DeviationType;
checkZigZag.DeviationValue = deviationValue;
deviationValue = checkZigZag.DeviationValue;
checkZigZag.UseHighLow = useHighLow;
useHighLow = checkZigZag.UseHighLow;
if (cacheZigZag != null)
for (int idx = 0; idx < cacheZigZag.Length; idx++)
if (cacheZigZag[idx].DeviationType == deviationType && Math.Abs(cacheZigZag[idx].DeviationValue - deviationValue) <= double.Epsilon && cacheZigZag[idx].UseHighLow == useHighLow && cacheZigZag[idx].EqualsInput(input))
return cacheZigZag[idx];
ZigZag indicator = new ZigZag();
indicator.BarsRequired = BarsRequired;
indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
indicator.Input = input;
indicator.DeviationType = deviationType;
indicator.DeviationValue = deviationValue;
indicator.UseHighLow = useHighLow;
Indicators.Add(indicator);
indicator.SetUp();
ZigZag[] tmp = new ZigZag[cacheZigZag == null ? 1 : cacheZigZag.Length + 1];
if (cacheZigZag != null)
cacheZigZag.CopyTo(tmp, 0);
tmp[tmp.Length - 1] = indicator;
cacheZigZag = tmp;
return indicator;
}
}