public void Update(Bar bar)
{
dsDayCl.Add(bar.DateTime, daycl);
dsDayPv.Add(bar.DateTime, dayPv);
dsDayR1.Add(bar.DateTime, dayR1);
dsDayR2.Add(bar.DateTime, dayR2);
dsDayR3.Add(bar.DateTime, dayR3);
dsDayS1.Add(bar.DateTime, dayS1);
dsDayS2.Add(bar.DateTime, dayS2);
dsDayS3.Add(bar.DateTime, dayS3);
dsWeekPv.Add(bar.DateTime, weekPv);
dsWeekR1.Add(bar.DateTime, weekR1);
dsWeekR2.Add(bar.DateTime, weekR2);
dsWeekR3.Add(bar.DateTime, weekR3);
dsWeekS1.Add(bar.DateTime, weekS1);
dsWeekS2.Add(bar.DateTime, weekS2);
dsWeekS3.Add(bar.DateTime, weekS3);
dsMonPv.Add(bar.DateTime, monPv);
dsMonR1.Add(bar.DateTime, monR1);
dsMonR2.Add(bar.DateTime, monR2);
dsMonR3.Add(bar.DateTime, monR3);
dsMonS1.Add(bar.DateTime, monS1);
dsMonS2.Add(bar.DateTime, monS2);
dsMonS3.Add(bar.DateTime, monS3);
dsSma20Day.Add(bar.DateTime, sma20day);
dsSma200Day.Add(bar.DateTime, sma200day);
}
void slopeItemAddedEventHandler(object sender, DateTimeEventArgs e)
{
double val = (slopeAvg.dsSlope.Last - m_SlopeAvgScaleMin) / (m_SlopeAvgScaleMax - m_SlopeAvgScaleMin);
dsSlopeAvg.Add(e.DateTime, val);
accelAvg.Add(e.DateTime, val);
}
protected void CalcStats(DateTime dt)
{
rs.CalcStats();
//dsAccel.Add( dtLast, b2 * 10000.0 );
dsSlope.Add(dt, rs.b1);
dsRR.Add(dt, rs.RR);
//dsSD.Add( dtLast, SD );
dsAvg.Add(dt, rs.meanY);
}
void accelItemAddedEventHandler(object sender, DateTimeEventArgs e)
{
double val = accelAvg.dsSlope.Last;
double tmp = (val - m_AccelAvgScaleMin) / (m_AccelAvgScaleMax - m_AccelAvgScaleMin);
tmp = Math.Min(tmp, 1.25);
tmp = Math.Max(tmp, -0.25);
dsAccelAvg.Add(e.DateTime, tmp);
}
public override DoubleSeries GetNegativeSeries()
{
DoubleSeries ds = new DoubleSeries();
for (int i = this.fFirstIndex; i < this.fLastIndex; ++i)
{
if (this[i] < 0.0)
{
ds.Add(this.GetDateTime(i), this[i]);
}
}
return(ds);
}
public void Add(Quote quote)
{
if (0 == values.Count)
{
dtUnique = quote.DateTime;
firstTimeTick = quote.DateTime.Ticks;
}
else
{
dtUnique = (quote.DateTime > dtUnique) ? quote.DateTime : dtUnique + ms;
}
Add(dtUnique, quote.Bid);
Add(dtUnique, quote.Ask);
//Console.WriteLine( "{0} Added {1:#.00} {2:#.00} {3:#.00} {4}", dt, val, Min, Max, dsPoints.Count );
UpdateWindow();
CalcStats(quote.DateTime);
if (!double.IsNaN(rs.b1) && !double.IsPositiveInfinity(rs.b1) && !double.IsNegativeInfinity(rs.b1))
{
slopeAvg.Add(dtUnique, rs.meanY);
double upper = rs.meanY + BBMultiplier * rs.SD;
double lower = rs.meanY - BBMultiplier * rs.SD;
dsBBUpper.Add(dtUnique, upper);
dsBBLower.Add(dtUnique, lower);
double tmp = (quote.Bid + quote.Ask) / 2;
double avgquote = 0;
if (tmp == rs.meanY)
{
avgquote = tmp;
}
else
{
if (tmp > rs.meanY)
{
avgquote = quote.Ask;
}
if (tmp < rs.meanY)
{
avgquote = quote.Bid;
}
}
dsB.Add(dtUnique, (avgquote - lower) / (upper - lower));
double bw = 1000.0 * (upper - lower) / rs.meanY;
dsBandwidth.Add(dtUnique, bw / m_bbwMax);
}
//Console.WriteLine( "{0} Added {1} {2} {3} {4} {5}", dtUnique, Xcnt, b1, b0, R, dsSlope.Name );
}
protected override void OnUpdateChart(ICollection <IDataObject> objects)
{
DoubleSeries doubleSeries = new DoubleSeries("Trade");
using (IEnumerator <IDataObject> enumerator = ((IEnumerable <IDataObject>)objects).GetEnumerator())
{
while (((IEnumerator)enumerator).MoveNext())
{
Trade trade = (Trade)enumerator.Current;
doubleSeries.Add(trade.DateTime, trade.Price);
}
}
((TimeSeries)doubleSeries).Draw(Color.Black);
}
public static double Value(TimeSeries input, int index, int length1, int length2)
{
if (index < length1 - 1 + input.FirstIndex || index < length2 - 1 + input.FirstIndex)
{
return(double.NaN);
}
DoubleSeries doubleSeries = new DoubleSeries();
for (int index1 = index; index1 > index - Math.Max(length1, length2); --index1)
{
doubleSeries.Add(input.GetDateTime(index1), input[index1, BarData.Volume]);
}
return(SMA.Value((TimeSeries)doubleSeries, length1 - 1, length1, BarData.Close) - SMA.Value((TimeSeries)doubleSeries, length2 - 1, length2, BarData.Close));
}
public override DoubleSeries GetPercentReturnSeries()
{
DoubleSeries ds = new DoubleSeries(this.Name, this.Title);
if (this.fRealCount > 1)
{
double t0 = this[0];
for (int i = this.fFirstIndex; i < this.fLastIndex; ++i)
{
DateTime dt = this.GetDateTime(i);
double t1 = this[i];
if (t0 != 0.0)
{
ds.Add(dt, (t1 / t0 - 1.0) * 100.0);
}
else
{
ds.Add(dt, 0.0);
}
t0 = t1;
}
}
return(ds);
}
public static double Value(TimeSeries input, int index, int length, BarData option)
{
if (index < 1 + input.FirstIndex)
{
return(double.NaN);
}
DoubleSeries doubleSeries = new DoubleSeries();
for (int firstIndex = input.FirstIndex; firstIndex <= index; ++firstIndex)
{
doubleSeries.Add(input.GetDateTime(firstIndex), input[firstIndex, option]);
}
EMA ema = new EMA((TimeSeries) new EMA((TimeSeries) new EMA((TimeSeries)doubleSeries, length, option), length, option), length, option);
return((ema[index - input.FirstIndex] - ema[index - 1 - input.FirstIndex]) / ema[index - 1 - input.FirstIndex] * 100.0);
}
public static double Value(TimeSeries input, int index, int length1, int length2)
{
if (index < length2 - 1 + input.FirstIndex)
{
return(double.NaN);
}
DoubleSeries doubleSeries = new DoubleSeries();
for (int index1 = 0; index1 <= index; ++index1)
{
doubleSeries.Add(input.GetDateTime(index1), input[index1, BarData.High] - input[index1, BarData.Low]);
}
EMA ema = new EMA((TimeSeries)doubleSeries, length1, BarData.Close);
return((ema[index] - ema[index - length2 + 1]) / ema[index - length2 + 1] * 100.0);
}
protected override void OnUpdateChart(ICollection <IDataObject> objects)
{
DoubleSeries doubleSeries1 = new DoubleSeries("Bid");
DoubleSeries doubleSeries2 = new DoubleSeries("Ask");
using (IEnumerator <IDataObject> enumerator = ((IEnumerable <IDataObject>)objects).GetEnumerator())
{
while (((IEnumerator)enumerator).MoveNext())
{
Quote quote = (Quote)enumerator.Current;
doubleSeries1.Add(quote.DateTime, quote.Bid);
doubleSeries2.Add(quote.DateTime, quote.Ask);
}
}
((TimeSeries)doubleSeries1).Draw(Color.Blue);
((TimeSeries)doubleSeries2).Draw(Color.Red);
}
public DoubleSeries GetRandomWalkSeries(int count)
{
var doubleSeries = new DoubleSeries(count);
// Generate a slightly positive biased random walk
// y[i] = y[i-1] + random,
// where random is in the range -0.5, +0.5
for(int i = 0; i < count; i++)
{
double next = _last + (_random.NextDouble() - 0.5 + _bias);
_last = next;
doubleSeries.Add(new XYPoint() { X = _i++, Y = next});
}
return doubleSeries;
}
private DoubleSeries CreateSomeScatterData(double randomness, double curviness)
{
var doubleSeries = new DoubleSeries();
Random r = new Random(0);
const double c = 0;
const double m = 0.02;
// Create some data which looks like a scatter chart with points randomly spaced around a
// slightly curved / linear trendline dataset
//
// this will be used to apply filters such as Trendline, Polynomial, Scale, Offset etc...
for (int x = 0; x < 200; x++)
{
double y = (m * x + c + (r.NextDouble() * randomness)) * x * (1 + curviness);
doubleSeries.Add(new XYPoint {
X = x, Y = y
});
}
return(doubleSeries);
}
public static double Value(TimeSeries input, int index, int length, int order)
{
if (index < length - 1 + input.FirstIndex)
{
return(double.NaN);
}
DoubleSeries doubleSeries = new DoubleSeries();
double num = 0.0;
for (int index1 = 0; index1 <= index; ++index1)
{
doubleSeries.Add(input.GetDateTime(index1), input[index1, BarData.High] - input[index1, BarData.Low]);
}
EMA ema1 = new EMA((TimeSeries)doubleSeries, order, BarData.Close);
EMA ema2 = new EMA((TimeSeries)ema1, order, BarData.Close);
for (int index1 = index; index1 > index - length; --index1)
{
num += ema1[index1] / ema2[index1];
}
return(num);
}
public DoubleSeries GenerateSpiral(double xCentre, double yCentre, double maxRadius, int count)
{
var doubleSeries = new DoubleSeries();
double radius = 0;
double x, y;
double deltaRadius = maxRadius/count;
for (int i = 0; i < count; i++)
{
double sinX = Math.Sin(2*Math.PI*i*0.05);
double cosX = Math.Cos(2*Math.PI*i*0.05);
x = xCentre + radius * sinX;
y = yCentre + radius*cosX;
doubleSeries.Add(new XYPoint() { X = x, Y = y});
radius += deltaRadius;
}
return doubleSeries;
}
public DoubleSeries GetAcousticChannel(int channelNumber)
{
if (channelNumber > 7)
throw new InvalidOperationException("Only channels 0-7 allowed");
if (_acousticPlotData.Count != 0)
{
return _acousticPlotData[channelNumber];
}
// e.g. resource format: Abt.Controls.SciChart.Example.Resources.EURUSD_Daily.csv
var csvResource = string.Format("{0}.{1}", ResourceDirectory, "AcousticPlots.csv");
var ch0 = new DoubleSeries(100000);
var ch1 = new DoubleSeries(100000);
var ch2 = new DoubleSeries(100000);
var ch3 = new DoubleSeries(100000);
var ch4 = new DoubleSeries(100000);
var ch5 = new DoubleSeries(100000);
var ch6 = new DoubleSeries(100000);
var ch7 = new DoubleSeries(100000);
var assembly = typeof(DataManager).Assembly;
using (var stream = assembly.GetManifestResourceStream(csvResource))
using (var streamReader = new StreamReader(stream))
{
string line = streamReader.ReadLine();
line = streamReader.ReadLine();
while (line != null)
{
// Line Format:
// Date, Open, High, Low, Close, Volume
// 2007.07.02 03:30, 1.35310, 1.35310, 1.35280, 1.35310, 12
var tokens = line.Split(',');
double x = double.Parse(tokens[0], NumberFormatInfo.InvariantInfo);
double y0 = double.Parse(tokens[1], NumberFormatInfo.InvariantInfo);
double y1 = double.Parse(tokens[2], NumberFormatInfo.InvariantInfo);
double y2 = double.Parse(tokens[3], NumberFormatInfo.InvariantInfo);
double y3 = double.Parse(tokens[4], NumberFormatInfo.InvariantInfo);
double y4 = double.Parse(tokens[5], NumberFormatInfo.InvariantInfo);
double y5 = double.Parse(tokens[6], NumberFormatInfo.InvariantInfo);
double y6 = double.Parse(tokens[7], NumberFormatInfo.InvariantInfo);
double y7 = double.Parse(tokens[8], NumberFormatInfo.InvariantInfo);
ch0.Add(new XYPoint() { X = x, Y = y0 });
ch1.Add(new XYPoint() { X = x, Y = y1 });
ch2.Add(new XYPoint() { X = x, Y = y2 });
ch3.Add(new XYPoint() { X = x, Y = y3 });
ch4.Add(new XYPoint() { X = x, Y = y4 });
ch5.Add(new XYPoint() { X = x, Y = y5 });
ch6.Add(new XYPoint() { X = x, Y = y6 });
ch7.Add(new XYPoint() { X = x, Y = y7 });
line = streamReader.ReadLine();
}
}
_acousticPlotData.AddRange(new[] { ch0, ch1, ch2, ch3, ch4, ch5, ch6, ch7});
return _acousticPlotData[channelNumber];
}
public DoubleSeries GetButterflyCurve(int count=2000)
{
// From http://en.wikipedia.org/wiki/Butterfly_curve_%28transcendental%29
// x = sin(t) * (e^cos(t) - 2cos(4t) - sin^5(t/12))
// y = cos(t) * (e^cos(t) - 2cos(4t) - sin^5(t/12))
var temp = 0.01;
var doubleSeries = new DoubleSeries(count);
for (int i = 0; i < count; i++)
{
var t = i*temp;
double multiplier = Math.Pow(Math.E, Math.Cos(t)) - 2*Math.Cos(4*t) - Math.Pow(Math.Sin(t/12), 5);
double x = Math.Sin(t)*multiplier;
double y = Math.Cos(t) * multiplier;
doubleSeries.Add(new XYPoint {X = x, Y = y});
}
return doubleSeries;
}
public DoubleSeries GetClusteredPoints(double xCentre, double yCentre, double deviation, int count)
{
var doubleSeries = new DoubleSeries();
for (int i = 0; i < count; i++)
{
double x = GetGaussianRandomNumber(xCentre, deviation);
double y = GetGaussianRandomNumber(yCentre, deviation);
doubleSeries.Add(new XYPoint() { X = x, Y = y});
}
return doubleSeries;
}
public DoubleSeries GetDampedSinewave(int pad, double amplitude, double phase, double dampingFactor, int pointCount, int freq = 10)
{
var doubleSeries = new DoubleSeries();
for (int i = 0; i < pad; i++)
{
double time = 10 * i / (double)pointCount;
doubleSeries.Add(new XYPoint() { X = time });
}
for (int i = pad, j = 0; i < pointCount; i++, j++)
{
var xyPoint = new XYPoint();
double time = 10 * i / (double)pointCount;
double wn = 2 * Math.PI / (pointCount / (double)freq);
xyPoint.X = time;
xyPoint.Y = amplitude * Math.Sin(j * wn + phase);
doubleSeries.Add(xyPoint);
amplitude *= (1.0 - dampingFactor);
}
return doubleSeries;
}
public DoubleSeries GetExponentialCurve(double power, int pointCount)
{
var doubleSeries = new DoubleSeries(pointCount);
double x = 0.00001;
const double fudgeFactor = 1.4;
for(int i = 0; i < pointCount; i++)
{
x *= fudgeFactor;
double y = Math.Pow((double)i + 1, power);
doubleSeries.Add(new XYPoint() {X = x, Y = y});
}
return doubleSeries;
}
public DoubleSeries GetFourierSeriesZoomed(double amplitude, double phaseShift, double xStart, double xEnd, int count = 5000)
{
var data = GetFourierSeries(amplitude, phaseShift, count);
int index0 = 0;
int index1 = 0;
for (int i = 0; i < count; i++)
{
if (data.XData[i] > xStart && index0 == 0)
index0 = i;
if (data.XData[i] > xEnd && index1 == 0)
{
index1 = i;
break;
}
}
var result = new DoubleSeries();
var xData = data.XData.Skip(index0).Take(index1 - index0).ToArray();
var yData = data.YData.Skip(index0).Take(index1 - index0).ToArray();
for (int i = 0; i < xData.Length; i++)
{
result.Add(new XYPoint() {X = xData[i], Y = yData[i]});
}
return result;
}
public override void OnQuote(Quote quote)
{
//Console.WriteLine( "onQuote {0} b/a {1}/{2}",
// instrument.Symbol, quote.Bid, quote.Ask );
if ((quote.DateTime.TimeOfDay > tsStop) ||
(quote.DateTime.TimeOfDay < tsStart))
{
ExitSignal = true;
}
//gpstrategy.EmitSignalQuote(this, quote);
dsAsk.Add(quote.DateTime, quote.Ask);
dsBid.Add(quote.DateTime, quote.Bid);
double t = (quote.Ask + quote.Bid) / 2.0;
dsBidAskMidPoint.Add(quote.DateTime, t);
if (0.0 == Default)
{
Default = t;
}
//dsBidAskRange.Add( quote.DateTime, quote.Ask - quote.Bid );
if (quote.Ask > quote.Bid)
{
//double d = Math.Log( Math.Abs( Math.Log( quote.Ask ) - Math.Log( quote.Bid ) ) );
//double d = Math.Log( Math.Log( quote.Ask ) - Math.Log( quote.Bid ) );
//double d = Math.Abs( Math.Log( quote.Ask ) - Math.Log( quote.Bid ) );
double d = quote.Ask - quote.Bid;
//Console.WriteLine( "{0}", d );
dsBidAskSpread.Add(quote.DateTime, d);
}
//
// calculate KAMA
//
if (0 == dsBidAskKama0.Count)
{
dsBidAskKama0.Add(quote.DateTime, dsBidAskMidPoint.Last);
}
else
{
if (0 == dsTradeER0.Count)
{
dsBidAskKama0.Add(quote.DateTime, dsBidAskMidPoint.Last);
}
else
{
double er = dsTradeER0.Last;
double sc = Math.Pow(er * (dblKamaFastest - dblKamaSlowest) + dblKamaSlowest, 2);
dsBidAskKama0.Add(quote.DateTime, dsBidAskKama0.Last + sc * (dsBidAskMidPoint.Last - dsBidAskKama0.Last));
}
}
if (0 == dsBidAskKama1.Count)
{
dsBidAskKama1.Add(quote.DateTime, dsBidAskMidPoint.Last);
}
else
{
if (0 == dsTradeER1.Count)
{
dsBidAskKama1.Add(quote.DateTime, dsBidAskMidPoint.Last);
}
else
{
double er = dsTradeER1.Last;
double sc = Math.Pow(er * (dblKamaFastest - dblKamaSlowest) + dblKamaSlowest, 2);
dsBidAskKama1.Add(quote.DateTime, dsBidAskKama1.Last + sc * (dsBidAskMidPoint.Last - dsBidAskKama1.Last));
}
}
//BuySignal = individual.LongSignal.EvaluateBool(this);
//SellSignal = individual.ShortSignal.EvaluateBool(this);
if (ExitSignal)
{
if (HasPosition)
{
switch (Position.Side)
{
case PositionSide.Long:
OnNewLongExit(Instrument, (int)Math.Abs(Position.Qty), "Long Stop");
break;
case PositionSide.Short:
OnNewShortExit(Instrument, (int)Math.Abs(Position.Qty), "Short Stop");
break;
}
}
}
else
{
if (BuySignal ^ SellSignal) // one or the other but not both
{
if (HasPosition)
{
switch (Position.Side)
{
case PositionSide.Long:
if (SellSignal)
{
OnNewLongExit(Instrument, (int)Math.Abs(Position.Qty), "Long Exit");
OnNewShortEntry(Instrument, OrderSize, "Short Reversal");
}
break;
case PositionSide.Short:
if (BuySignal)
{
OnNewShortExit(Instrument, (int)Math.Abs(Position.Qty), "Short Exit");
OnNewLongEntry(Instrument, OrderSize, "Long Reversal");
}
break;
}
}
else
{
if (BuySignal)
{
OnNewLongEntry(Instrument, OrderSize, "Long Entry");
}
if (SellSignal)
{
OnNewShortEntry(Instrument, OrderSize, "Short Entry");
}
}
}
}
}
public override void OnTrade(Trade trade)
{
//Console.WriteLine( "{0} {1} {2}", trade.DateTime, trade.Price, trade.Size );
//gpstrategy.EmitSignalTrade(this, trade);
if (0.0 == Default)
{
Default = trade.Price;
}
dsTrade.Add(trade.DateTime, trade.Price);
dsTradeVolume.Add(trade.DateTime, trade.Size);
//Console.WriteLine( "rp {0} {1}", dsTrade.Count, dsReturns.Count );
//if ( ReturnsPeriod < smaTrade.Count ) {
// dsReturns.Add( trade.DateTime, ( smaTrade.Last - smaTrade.Ago( ReturnsPeriod ) ) / smaTrade.Ago( ReturnsPeriod ) );
//}
if (intReturnsPeriod < dsTrade.Count)
{
//Console.WriteLine( "adding return" );
dsReturns.Add(trade.DateTime, (trade.Price - dsTrade.Ago(intReturnsPeriod)) / dsTrade.Ago(intReturnsPeriod));
}
//Console.WriteLine( "er" );
if (dsTrade.Count >= 3)
{
int interval = Math.Min(dsTrade.Count, intER0);
double last = dsTrade.Last;
double first = dsTrade.Ago(1);
double sum = Math.Abs(last - first);
for (int i = 2; i < interval; i++)
{
first = dsTrade.Ago(i);
sum += Math.Abs(dsTrade.Ago(i - 1) - first);
}
if (0.0 == sum)
{
dsTradeER0.Add(trade.DateTime, 1);
}
else
{
double t = Math.Abs(last - first) / sum;
dsTradeER0.Add(trade.DateTime, t);
}
}
//Console.WriteLine( "er" );
if (dsTrade.Count >= 3)
{
int interval = Math.Min(dsTrade.Count, intER1);
double last = dsTrade.Last;
double first = dsTrade.Ago(1);
double sum = Math.Abs(last - first);
for (int i = 2; i < interval; i++)
{
first = dsTrade.Ago(i);
sum += Math.Abs(dsTrade.Ago(i - 1) - first);
}
if (0.0 == sum)
{
dsTradeER1.Add(trade.DateTime, 1);
}
else
{
double t = Math.Abs(last - first) / sum;
dsTradeER1.Add(trade.DateTime, t);
}
}
if (Math.Max(cntKurtosis, cntSkew) <= dsTrade.Count)
{
dsKurtosis.Add(trade.DateTime, stats.Kurtosis(cntKurtosis));
dsSkew.Add(trade.DateTime, stats.Skewness(cntSkew));
}
dsZero.Add(trade.DateTime, 0);
}
//TODO add try/catch
#region Input_Parse
//RayonRs232 old parser
public void ParseInputData(int length, byte[] dataInput)
{
if (Rs232Interface.GetInstance.IsSynced == false)//TODO
{
Rs232Interface.GetInstance.IsSynced = true;
//Rs232Interface.GetInstance.
}
else
{
//Parser
int PlotDataSampleLSB;
int PlotDataSampleMSB;
int PlotDataSample;
int i = 0;
//int limit = (dataInput.Length - (dataInput.Length%12));
for (; i < dataInput.Length - 24;)
{
if (dataInput[i] == 0xbb && dataInput[i + 1] == 0xcc)
{
XYPoint xyPoint1 = new XYPoint();
XYPoint xyPoint2 = new XYPoint();
XYPoint xyPoint3 = new XYPoint();
XYPoint xyPoint4 = new XYPoint();
XYPoint xyPoint5 = new XYPoint();
// //First Sample
// try
// {
PlotDataSampleLSB = (short)dataInput[i + 2];
PlotDataSampleMSB = (short)dataInput[i + 3];
PlotDataSample = (PlotDataSampleMSB << 8) | PlotDataSampleLSB;
xyPoint1.Y = (double)PlotDataSample;
xyPoint1.X = _deltaTOneChen;
_deltaTOneChen += 0.1;
datasource1.Add(xyPoint1);
//Second
PlotDataSampleLSB = (short)dataInput[i + 4];
PlotDataSampleMSB = (short)dataInput[i + 5];
PlotDataSample = (PlotDataSampleMSB << 8) | PlotDataSampleLSB;
xyPoint2.Y = (double)PlotDataSample;
xyPoint2.X = _deltaTOneChen;
_deltaTOneChen += 0.1;
datasource1.Add(xyPoint2);
//Third Sample
PlotDataSampleLSB = (short)dataInput[i + 6];
PlotDataSampleMSB = (short)dataInput[i + 7];
PlotDataSample = (PlotDataSampleMSB << 8) | PlotDataSampleLSB;
xyPoint3.Y = (double)PlotDataSample;
xyPoint3.X = _deltaTOneChen;
_deltaTOneChen += 0.1;
datasource1.Add(xyPoint3);
//Fourth sample
PlotDataSampleLSB = (short)dataInput[i + 8];
PlotDataSampleMSB = (short)dataInput[i + 9];
PlotDataSample = (PlotDataSampleMSB << 8) | PlotDataSampleLSB;
xyPoint4.Y = (double)PlotDataSample;
xyPoint4.X = _deltaTOneChen;
datasource1.Add(xyPoint4);
_deltaTOneChen += 0.1;
//Fifth sample
PlotDataSampleLSB = (short)dataInput[i + 10];
PlotDataSampleMSB = (short)dataInput[i + 11];
PlotDataSample = (PlotDataSampleMSB << 8) | PlotDataSampleLSB;
if (PlotDataSample != 4.0)
{
// int a = 5;
}
xyPoint5.Y = (double)PlotDataSample;
xyPoint5.X = _deltaTOneChen;
_deltaTOneChen += 0.1;
datasource1.Add(xyPoint5);
i = i + 11;
}
i++;
}
Parser2Plot(this, new Parser2SendEventArgs(datasource1));
datasource1.Clear();
}
}
public DoubleSeries GetStraightLine(double gradient, double yIntercept, int pointCount)
{
var doubleSeries = new DoubleSeries(pointCount);
for (int i = 0; i <= pointCount; i++)
{
double x = i + 1;
double y = gradient * x + yIntercept;
doubleSeries.Add(new XYPoint() { X = x, Y = y });
}
return doubleSeries;
}
public DoubleSeries GetSquirlyWave()
{
var doubleSeries = new DoubleSeries();
var rand = new Random((int)DateTime.Now.Ticks);
const int COUNT = 1000;
for (int i = 0; i < COUNT; i++)
{
var xyPoint = new XYPoint();
var time = i / (double)COUNT;
xyPoint.X = time;
xyPoint.Y = time * Math.Sin(2 * Math.PI * i / (double)COUNT) +
0.2 * Math.Sin(2 * Math.PI * i / (COUNT / 7.9)) +
0.05 * (rand.NextDouble() - 0.5) +
1.0;
doubleSeries.Add(xyPoint);
}
return doubleSeries;
}
public DoubleSeries GenerateEEG(int count, ref double startPhase, double phaseStep)
{
var doubleSeries = new DoubleSeries();
var rand = new Random((int)DateTime.Now.Ticks);
for (int i = 0; i < count; i++)
{
var xyPoint = new XYPoint();
var time = i / (double)count;
xyPoint.X = time;
//double mod = 0.2 * Math.Sin(startPhase);
xyPoint.Y = //mod * Math.Sin(startPhase / 4.9) +
0.05 * (rand.NextDouble() - 0.5) +
1.0;
doubleSeries.Add(xyPoint);
startPhase += phaseStep;
}
return doubleSeries;
}
public DoubleSeries GetFourierSeries(double amplitude, double phaseShift, int count = 5000)
{
var doubleSeries = new DoubleSeries();
for (int i = 0; i < count; i++)
{
var xyPoint = new XYPoint();
double time = 10 * i / (double)count;
double wn = 2 * Math.PI / (count / 10);
xyPoint.X = time;
xyPoint.Y = Math.PI * amplitude *
(Math.Sin(i * wn + phaseShift) +
0.33 * Math.Sin(i * 3 * wn + phaseShift) +
0.20 * Math.Sin(i * 5 * wn + phaseShift) +
0.14 * Math.Sin(i * 7 * wn + phaseShift) +
0.11 * Math.Sin(i * 9 * wn + phaseShift) +
0.09 * Math.Sin(i * 11 * wn + phaseShift));
doubleSeries.Add(xyPoint);
}
return doubleSeries;
}
public DoubleSeries GetRandomDoubleSeries(int pointCount)
{
var doubleSeries = new DoubleSeries();
double amplitude = _random.NextDouble() + 0.5;
double freq = Math.PI * (_random.NextDouble() + 0.5) * 10;
double offset = _random.NextDouble() - 0.5;
for(int i = 0; i < pointCount; i++)
{
doubleSeries.Add(new XYPoint() { X=i, Y=offset + amplitude*Math.Sin(freq*i) });
}
return doubleSeries;
}
public DoubleSeries GetLissajousCurve(double alpha, double beta, double delta, int count=200)
{
// From http://en.wikipedia.org/wiki/Lissajous_curve
// x = Asin(at + d), y = Bsin(bt)
var doubleSeries = new DoubleSeries(count);
for (int i = 0; i < count; i++)
{
double x = Math.Sin(alpha*i*0.1 + delta);
double y = Math.Sin(beta*i*0.1);
doubleSeries.Add(new XYPoint() {X = x, Y = y});
}
return doubleSeries;
}