public static GLineSeries ToSmaSeries(this OhlcData data, int length, ResolutionSourceProvider resolver = null, string title = null)
{
title = title ?? length + " SMA";
var chartPointEvaluator = new InstantChartPointMapper(resolver ?? new ResolutionSourceProvider(data.Resolution));
var series = new GLineSeries
{
Configuration = chartPointEvaluator,
Fill = Brushes.Transparent,
PointGeometry = null,
Title = title
};
if (data == null)
{
return(series);
}
var values = new GearedValues <InstantChartPoint>();
var ordered = data.OrderBy(x => x.DateTimeUtc).ToList();
var smadata = FinancialHelper.ComputeMovingAverage(ordered.Select(x => x.Close).ToList(), length);
for (var index = 0; index < ordered.Count; index++)
{
var d = ordered[index];
var v = smadata[index];
if (double.IsNaN(v))
{
continue;
}
values.Add(new InstantChartPoint(d.DateTimeUtc, (decimal)v));
}
series.Values = values;
return(series);
}
public static GColumnSeries ToVolumeSeries(this OhlcData data, ResolutionSourceProvider resolver = null, string title = "")
{
var chartPointEvaluator = new InstantChartPointMapper(resolver ?? new ResolutionSourceProvider(data.Resolution));
var series = new GColumnSeries
{
Configuration = chartPointEvaluator,
Title = title
};
if (data == null)
{
return(series);
}
var values = new GearedValues <InstantChartPoint>();
values.AddRange(data.OrderBy(x => x.DateTimeUtc).Select(i => new InstantChartPoint(i)));
values.Quality = Quality.Low;
series.Values = values;
return(series);
}
