protected override void Postprocess(IDictionary <object, HistogramSeries> seriesSet)
{
if (_data == null || _data.Count == 0)
{
return;
}
_intervals = GetHistogramInterval(_data.Min(), _data.Max(), _data.Count);
foreach (var entry in seriesSet)
{
var series = entry.Value;
if (series.Items.Count > 0)
{
throw new ArgumentException("-Data and the other data items cannot be specify at the same time");
}
// Grouping is not supported in HistogramSeries
var bins = HistogramSeriesHelpers.Collect(_data, _intervals, _normalize);
var s = _intervals.AdjustedLower;
for (var i = 0; i < _intervals.BinCount; ++i)
{
var item = new HistogramItem(s, s + _intervals.BinWidth, bins[i] * _intervals.BinWidth);
series.Items.Add(item);
s += _intervals.BinWidth;
}
}
}
public void TestBinWidth()
{
var data = new[] { 11, 22, 33, 44, 55 };
var min = data.Min();
var max = data.Max();
var binCount = HistogramSeriesHelpers.GetBinCount(min, max, data.Length);
var h = HistogramSeriesHelpers.GetHistogramIntervalFromBinCount(min, max, binCount);
Assert.AreEqual(3, binCount);
Assert.AreEqual(20, h.BinWidth);
Assert.AreEqual(0, h.AdjustedLower);
Assert.AreEqual(60, h.AdjustedUpper);
}
protected HistogramInterval GetHistogramInterval(double min, double max, int dataCount)
{
HistogramInterval h;
if (double.IsNaN(_binWidth))
{
if (_binCount == -1)
{
_binCount = HistogramSeriesHelpers.GetBinCount(min, max, dataCount);
}
h = HistogramSeriesHelpers.GetHistogramIntervalFromBinCount(min, max, _binCount);
}
else
{
h = HistogramSeriesHelpers.GetHistogramIntervalFromBinWidth(min, max, _binWidth);
}
return(h);
}
protected override void Postprocess(IDictionary <object, ColumnSeries> seriesSet)
{
if (_data.Count == 0)
{
return;
}
var h = GetHistogramInterval(_data.Min(), _data.Max(), _data.Count);
SetCategories(h);
foreach (var entry in seriesSet)
{
var series = entry.Value;
var bins = HistogramSeriesHelpers.Collect(_seriesData[series], h, _normalize);
for (var i = 0; i < h.BinCount; ++i)
{
series.Items.Add(new ColumnItem(bins[i], i));
}
}
}
