private Object.QuoteRange GetSeriesYRange(Series series, double s, double e)
{
if (series is ThresholdSeries && series.Visibility == C1.Chart.SeriesVisibility.Visible)
{
var value = (series as ThresholdSeries).Threshold.Value;
return(new Object.QuoteRange()
{
Min = value, Max = value
});
}
Object.QuoteRange qr = null;
IEnumerable <double> quoteData = series.GetValues(0);
var period = GetSeriesPeriod(series);
var start = period == 0 ? Convert.ToInt32(s) : (Convert.ToInt32(s) < (period - 1) ? 0 : (Convert.ToInt32(s) - (period - 1)));
var len = Convert.ToInt32(e) - Convert.ToInt32(s) + 1;
IEnumerable <double> quoteCache = quoteData.Skip(start).Take(len);
if (quoteCache.Any())
{
qr = new Object.QuoteRange();
var min = quoteCache.Min();
var max = quoteCache.Max();
qr.Min = min;
qr.Max = max;
}
return(qr);
}
public Object.QuoteRange GetSymbolYRange(IEnumerable <Object.QuoteData> quoteData, double s, double e)
{
Object.QuoteRange qr = null;
var start = Convert.ToInt32(s);
var len = Convert.ToInt32(e) - start + 1;
IEnumerable <Object.QuoteData> quoteCache = quoteData.Skip(start).Take(len);
if (quoteCache.Any())
{
qr = new Object.QuoteRange();
qr.Min = quoteCache.Min((k) =>
{
return(k.Low);
});
qr.Max = quoteCache.Max((k) =>
{
return(k.High);
});
}
return(qr);
}
private Object.QuoteRange GetSeriesYRange(Series series, double s, double e)
{
Object.QuoteRange qr = null;
double[] quoteX = series.GetValues(1).ToArray();
IEnumerable <double> quoteData = series.GetValues(0);
var start = -1;
var end = -1;
for (int i = 0; i < quoteX.Count(); i++)
{
var x = quoteX[i];
if (start == -1 && x > s)
{
start = i - 1;
end = quoteX.Count() - 3;
}
if (end == -1 && x > e)
{
end = i - 1;
}
}
var len = end - start + 1;
IEnumerable <double> quoteCache = quoteData.Skip(start).Take(len);
if (quoteCache.Any())
{
qr = new Object.QuoteRange();
var min = quoteCache.Min();
var max = quoteCache.Max();
qr.Min = min;
qr.Max = max;
}
return(qr);
}
public Object.QuoteRange GetOverlayYRange(double[] data, int period, double s, double e)
{
Object.QuoteRange qr = null;
int halfLen = data.Length / 2;
var dl1 = data.Take(halfLen);
var dl2 = data.Skip(halfLen).Take(halfLen);
var start = s < period ? 0 : s - period;
var len = e - Math.Max(s, period);
IEnumerable <double> quoteCache1 = dl1.Skip(Convert.ToInt32(start)).Take(Convert.ToInt32(len));
IEnumerable <double> quoteCache2 = dl2.Skip(Convert.ToInt32(start)).Take(Convert.ToInt32(len));
var quoteCache = quoteCache1.Union(quoteCache2);
if (quoteCache.Any())
{
qr = new Object.QuoteRange();
qr.Min = quoteCache.Min();
qr.Max = quoteCache.Max();
}
return(qr);
}
