/// <summary>
/// Constructs a new instance of the HistogramView.
/// </summary>
///
public HistogramView()
{
InitializeComponent();
this.histogram = new BestCS.Statistics.Visualizations.Histogram();
graphBars = new ZedGraph.BarItem(String.Empty);
graphBars.Color = Color.DarkBlue;
zedGraphControl.GraphPane.Title.FontSpec.IsBold = true;
zedGraphControl.GraphPane.Title.FontSpec.Size = 32f;
zedGraphControl.GraphPane.Title.IsVisible = true;
zedGraphControl.GraphPane.XAxis.Type = AxisType.Text;
zedGraphControl.GraphPane.XAxis.Title.IsVisible = false;
zedGraphControl.GraphPane.XAxis.MinSpace = 0;
zedGraphControl.GraphPane.XAxis.MajorGrid.IsVisible = false;
zedGraphControl.GraphPane.XAxis.MinorGrid.IsVisible = false;
zedGraphControl.GraphPane.XAxis.MajorTic.IsBetweenLabels = true;
zedGraphControl.GraphPane.XAxis.MajorTic.IsInside = false;
zedGraphControl.GraphPane.XAxis.MajorTic.IsOpposite = false;
zedGraphControl.GraphPane.XAxis.MinorTic.IsAllTics = false;
zedGraphControl.GraphPane.XAxis.Scale.FontSpec.IsBold = true;
zedGraphControl.GraphPane.XAxis.Scale.FontSpec.IsAntiAlias = true;
zedGraphControl.GraphPane.YAxis.MinorTic.IsAllTics = false;
zedGraphControl.GraphPane.YAxis.MajorTic.IsOpposite = false;
zedGraphControl.GraphPane.YAxis.Title.Text = "„астота";
zedGraphControl.GraphPane.YAxis.Title.FontSpec.Size = 24f;
zedGraphControl.GraphPane.YAxis.Title.FontSpec.IsBold = true;
zedGraphControl.GraphPane.Border.IsVisible = false;
zedGraphControl.GraphPane.BarSettings.MinBarGap = 0;
zedGraphControl.GraphPane.BarSettings.MinClusterGap = 0;
zedGraphControl.GraphPane.CurveList.Add(graphBars);
}
/// <summary>
/// Displays a histogram.
/// </summary>
///
/// <param name="histogram">The histogram to show.</param>
///
public static HistogramBox Show(BestCS.Statistics.Visualizations.Histogram histogram)
{
return(show(histogram.Title, histogram.Values.ToDouble()));
}
private void onDataBind()
{
samples = null;
if (dataSource == null)
{
return;
}
BestCS.Statistics.Visualizations.Histogram source = dataSource as BestCS.Statistics.Visualizations.Histogram;
if (source == null)
{
if (histogram == null)
{
histogram = new BestCS.Statistics.Visualizations.Histogram();
}
if (dataSource is DataSet)
{
// throw new NotSupportedException();
}
else if (dataSource is DataTable)
{
DataTable table = dataSource as DataTable;
if (dataMember != null && dataMember.Length > 0)
{
if (table.Columns.Contains(dataMember))
{
DataColumn column = table.Columns[dataMember];
samples = Matrix.ToArray(column);
}
else
{
samples = new double[0];
}
}
else
{
return;
}
}
else if (dataSource is double[])
{
samples = dataSource as double[];
}
else if (dataSource is IListSource)
{
// throw new NotSupportedException();
}
else
{
return; // invalid data source
}
if (binWidth != null)
{
this.histogram.Compute(samples, binWidth.Value);
}
else if (numberOfBins != null)
{
this.histogram.Compute(samples, numberOfBins.Value);
}
else
{
this.histogram.Compute(samples);
}
}
else
{
this.histogram = source;
}
this.UpdateTrackbar();
this.UpdateGraph();
if (histogram.Bins.Count > 0 &&
histogram.Bins.Count < trackBar.Maximum)
{
trackBar.Value = histogram.Bins.Count;
}
}
/// <summary>
/// Adds one histogram from the other, storing
/// results in a new histogram, without changing the
/// current instance.
/// </summary>
///
/// <param name="histogram">The histogram whose bin values will be added.</param>
///
/// <returns>A new <see cref="Histogram"/> containing the result of this operation.</returns>
///
public Histogram Add(Histogram histogram)
{
return(Add(histogram.Values));
}
/// <summary>
/// Subtracts one histogram from the other, storing
/// results in a new histogram, without changing the
/// current instance.
/// </summary>
///
/// <param name="histogram">The histogram whose bin values will be subtracted.</param>
///
/// <returns>A new <see cref="Histogram"/> containing the result of this operation.</returns>
///
public Histogram Subtract(Histogram histogram)
{
return(Subtract(histogram.Values));
}
internal HistogramBin(Histogram histogram, int index)
{
this.index = index;
this.histogram = histogram;
}