public OutlineItem(OutlineItem original, double newPrice)
{
Price = newPrice;
DateValue = original.DateValue;
Type = original.Type;
RecordIndex = original.RecordIndex;
}
//public Double DoubleRate { get { return Rate * 2; } }
//public Double QuadrupleRate { get { return Rate * 4; } }
//public Double OctupleRate { get { return Rate * 8; } }
//public Double HalfRate { get { return Rate * 0.5; } }
//public Double QuarterRate { get { return Rate * 0.25; } }
//public Double OctantRate { get { return Rate * 0.125; } }
#endregion
#endregion
#region Constructors
public GannTrend(OutlineItem start, OutlineItem end, GannTrendWays way)
{
Rule = way;
OutlineItem ori = null, des = null;
double rate = 0;
switch (Rule)
{
case GannTrendWays.Original:
getOriginal(start, end, out ori, out des, out rate);
break;
case GannTrendWays.CalendarNatural:
getCalendarNatural(start, end, out ori, out des, out rate);
break;
case GannTrendWays.IndexNatural:
getIndexNatural(start, end, out ori, out des, out rate);
break;
case GannTrendWays.OriginalNatural:
getOriginalNaturalTrend(start, end, out ori, out des, out rate);
break;
default:
break;
}
Original = ori;
Destinational = des;
Rate = rate;
}
private static void getOriginalNaturalTrend(OutlineItem start, OutlineItem end, out OutlineItem original, out OutlineItem destinational, out Double rate)
{
Double interval = (end.DateValue - start.DateValue);
Double tempRate = (end.Price - start.Price) / interval;
if (Math.Abs(tempRate) > 100 || Math.Abs(tempRate) < 0.0000001)
{
throw new Exception();
}
rate = naturalRateOf(tempRate);
original = new OutlineItem(start, naturalValueOf(start.Price, tempRate));
destinational = new OutlineItem(end, original.Price + rate * interval);
}
private static void getIndexNatural(OutlineItem start, OutlineItem end, out OutlineItem original, out OutlineItem destinational, out Double rate)
{
Double interval = (end.RecordIndex - start.RecordIndex);
Double tempRate = (end.Price - start.Price) / interval;
if (Math.Abs(tempRate) > 10000 || Math.Abs(tempRate) < 0.00001)
{
throw new Exception();
}
rate = naturalRateOf(tempRate);
original = start;
destinational = new OutlineItem(end, original.Price + rate * interval);
}
public static GannTrend GetOriginalNaturalTrend(OutlineItem start, OutlineItem end)
{
return(new GannTrend(start, end, GannTrendWays.OriginalNatural));
}
public static GannTrend GetIndexNaturalTrend(OutlineItem start, OutlineItem end)
{
return(new GannTrend(start, end, GannTrendWays.IndexNatural));
}
public static GannTrend GetCalendarNaturalTrend(OutlineItem start, OutlineItem end)
{
return(new GannTrend(start, end, GannTrendWays.CalendarNatural));
}
private static void getOriginal(OutlineItem start, OutlineItem end, out OutlineItem original, out OutlineItem destinational, out Double rate)
{
rate = (end.Price - start.Price) / (end.DateValue - start.DateValue);
original = start;
destinational = end;
}