//--------------------------------------------- #region Constructor public DataHistogramView() { InitializeComponent(); m_histogram = new Histogram(); m_graphBars = new ZedGraph.BarItem(String.Empty); m_graphBars.Color = Color.DarkBlue; zedGraphControl1.GraphPane.Title.FontSpec.IsBold = true; zedGraphControl1.GraphPane.Title.FontSpec.Size = 32f; zedGraphControl1.GraphPane.Title.IsVisible = true; zedGraphControl1.GraphPane.XAxis.Type = AxisType.Text; zedGraphControl1.GraphPane.XAxis.Title.IsVisible = false; zedGraphControl1.GraphPane.XAxis.MinSpace = 0; zedGraphControl1.GraphPane.XAxis.MajorGrid.IsVisible = false; zedGraphControl1.GraphPane.XAxis.MinorGrid.IsVisible = false; zedGraphControl1.GraphPane.XAxis.MajorTic.IsBetweenLabels = true; zedGraphControl1.GraphPane.XAxis.MajorTic.IsInside = false; zedGraphControl1.GraphPane.XAxis.MajorTic.IsOpposite = false; zedGraphControl1.GraphPane.XAxis.MinorTic.IsAllTics = false; zedGraphControl1.GraphPane.XAxis.Scale.FontSpec.IsBold = true; zedGraphControl1.GraphPane.XAxis.Scale.FontSpec.IsAntiAlias = true; zedGraphControl1.GraphPane.YAxis.MinorTic.IsAllTics = false; zedGraphControl1.GraphPane.YAxis.MajorTic.IsOpposite = false; zedGraphControl1.GraphPane.YAxis.Title.Text = "Frequency"; zedGraphControl1.GraphPane.YAxis.Title.FontSpec.Size = 24f; zedGraphControl1.GraphPane.YAxis.Title.FontSpec.IsBold = true; zedGraphControl1.GraphPane.Border.IsVisible = false; zedGraphControl1.GraphPane.BarSettings.MinBarGap = 0; zedGraphControl1.GraphPane.BarSettings.MinClusterGap = 0; zedGraphControl1.GraphPane.CurveList.Add(m_graphBars); }
public static double Entropy(params int[] values) { Visualizations.Histogram histogram; histogram = new Visualizations.Histogram(); histogram.Compute(values, 1.0); return(Visualizations.Histogram.Measures.Entropy(histogram.Values)); }
//--------------------------------------------- #region Private Members private void OnDataBind() { if (m_dataSource == null) { return; } if (m_histogram == null) { m_histogram = new Histogram(); } if (m_dataSource is DataSet) { if (m_dataMember != null && m_dataMember.Length > 0) { if (m_displayMember != null && m_displayMember.Length > 0) { m_samples = new SampleVector(((DataSet)m_dataSource).Tables[m_dataMember].Columns[m_displayMember]); } else { m_samples = new SampleVector(((DataSet)m_dataSource).Tables[m_dataMember].Columns[0]); } } else { m_samples = new SampleVector(((DataSet)m_dataSource).Tables[0].Columns[0]); } } else if (m_dataSource is DataTable) { if (m_dataMember != null && m_dataMember.Length > 0) { m_samples = new SampleVector(((DataTable)m_dataSource).Columns[m_displayMember]); } else { m_samples = new SampleVector(((DataTable)m_dataSource).Columns[0]); } } else if (m_dataSource is SampleVector) { m_samples = m_dataSource as SampleVector; } else if (m_dataSource is IListSource) { m_samples = new SampleVector((IListSource)m_dataSource); } else { // invalid data source } zedGraphControl1.GraphPane.Title.Text = m_samples.Name; this.m_histogram.Compute(m_samples, Histogram.SelectionRule.Scotts); this.UpdateTrackbar(); this.UpdateGraph(); this.trackBar1.Value = m_histogram.Count; }
internal HistogramBin(Histogram histogram, int index) { this.m_index = index; this.m_histogram = histogram; }