private void OnNewIndicator(IndicatorBar indicator) //Следующий точка графика
{
double y0, y1, y2, y3;
double y00, y10, y20, y30;
DateTime localDate = DateTime.Now;
Random rng = new Random();
y0 = 0.5 - rng.NextDouble();
y00 = 27.74 + y0;
Random rng0 = new Random();
y1 = 0.5 - rng0.NextDouble();
y10 = 1008.33 + y1;
Random rng1 = new Random();
y2 = 0.5 - rng1.NextDouble();
y20 = 41.06 + y2;
Random rng2 = new Random();
y3 = 0.5 - rng2.NextDouble();
y30 = 57.77 + y3;
// Убедитесь, что одновременно с многопоточным таймером обрабатывается только одно обновление
lock (this)
{
// Добавление или обновление точки графика?
var ds0 = (IXyDataSeries <DateTime, double>)_seriesViewModels[0].DataSeries; //Температура
var ds1 = (IXyDataSeries <DateTime, double>)_seriesViewModels[1].DataSeries; //Давление
var ds2 = (IXyDataSeries <DateTime, double>)_seriesViewModels[2].DataSeries; //Приблизительная высота
var ds3 = (IXyDataSeries <DateTime, double>)_seriesViewModels[3].DataSeries; //Влажность
if (_lastindicator != null && _lastindicator.DateTime == indicator.DateTime)
{
ds0.Update(localDate, y00);
ds1.Update(localDate, y10);
ds2.Update(localDate, y20);
ds3.Update(localDate, y30);
}
else
{
ds0.Append(localDate, y00);
ds1.Append(localDate, y10);
ds2.Append(localDate, y20);
ds3.Append(localDate, y30);
if (XVisibleRange.Max > ds0.Count)
{
var existingRange = _xVisibleRange;
var newRange = new IndexRange(existingRange.Min + 1, existingRange.Max + 1);
XVisibleRange = newRange;
}
}
_lastindicator = indicator;
}
}
private IndicatorBar GetUpdatedData()
{
double num = _lastIndicatorBar.Close + ((_random.NextDouble() - 0.48) * (_lastIndicatorBar.Close / 100.0));
double high = (num > _lastIndicatorBar.High) ? num : _lastIndicatorBar.High;
double low = (num < _lastIndicatorBar.Low) ? num : _lastIndicatorBar.Low;
long volumeInc = (long)((_random.NextDouble() * 30000 + 20000) * 0.05);
_lastIndicatorBar = new IndicatorBar(_lastIndicatorBar.DateTime, _lastIndicatorBar.Open, high, low, num, _lastIndicatorBar.Volume + volumeInc);
return(_lastIndicatorBar);
}
public RandomIndicatorsDataSource(int candleIntervalMinutes, bool simulateDateGap, double timerInterval, int updatesPerPrice, int randomSeed, double startingPrice, DateTime startDate)
{
_candleIntervalMinutes = candleIntervalMinutes;
_simulateDateGap = simulateDateGap;
_updatesPerPrice = updatesPerPrice;
_timer = new Timer(timerInterval)
{
Enabled = false,
AutoReset = true,
};
_timer.Elapsed += TimerElapsed;
_initialIndicatorBar = new IndicatorBarInfo
{
Close = startingPrice,
DateTime = startDate
};
_lastIndicatorBar = new IndicatorBar(_initialIndicatorBar.DateTime, _initialIndicatorBar.Close, _initialIndicatorBar.Close, _initialIndicatorBar.Close, _initialIndicatorBar.Close, 0L);
_random = new Random(randomSeed);
}
private IndicatorBar GetNextRandomPriceBar()
{
double close = _lastIndicatorBar.Close;
double num = (_random.NextDouble() - 0.9) * _initialIndicatorBar.Close / 30.0;
double num2 = _random.NextDouble();
double num3 = _initialIndicatorBar.Close + _initialIndicatorBar.Close / 2.0 * Math.Sin(7.27220521664304E-06 * _currentTime) + _initialIndicatorBar.Close / 16.0 * Math.Cos(7.27220521664304E-05 * _currentTime) + _initialIndicatorBar.Close / 32.0 * Math.Sin(7.27220521664304E-05 * (10.0 + num2) * _currentTime) + _initialIndicatorBar.Close / 64.0 * Math.Cos(7.27220521664304E-05 * (20.0 + num2) * _currentTime) + num;
double num4 = Math.Max(close, num3);
double num5 = _random.NextDouble() * _initialIndicatorBar.Close / 100.0;
double high = num4 + num5;
double num6 = Math.Min(close, num3);
double num7 = _random.NextDouble() * _initialIndicatorBar.Close / 100.0;
double low = num6 - num7;
long volume = (long)(_random.NextDouble() * 30000 + 20000);
DateTime openTime = _simulateDateGap ? EmulateDateGap(_lastIndicatorBar.DateTime) : _lastIndicatorBar.DateTime;
DateTime closeTime = openTime.AddMinutes(_candleIntervalMinutes);
IndicatorBar candle = new IndicatorBar(closeTime, close, high, low, num3, volume);
_lastIndicatorBar = new IndicatorBar(candle.DateTime, candle.Open, candle.High, candle.Low, candle.Close, volume);
_currentTime += _candleIntervalMinutes * 60;
return(candle);
}
private void OnTimerElapsed()
{
if (_currentUpdateCount < _updatesPerPrice)
{
_currentUpdateCount++;
IndicatorBar updatedData = GetUpdatedData();
if (UpdateData != null)
{
UpdateData(updatedData);
}
}
else
{
_currentUpdateCount = 0;
IndicatorBar nextData = GetNextData();
if (NewData != null)
{
NewData(nextData);
}
}
}
public IndicatorBar GetNextData()
{
IndicatorBar nextRandomPriceBar = GetNextRandomPriceBar();
return(nextRandomPriceBar);
}
