[C#/WINFORM/TEECHART] HistogramFunction 클래스 : 히스토그램 차트 그리기

■ HistogramFunction 클래스를 사용해 히스토그램 차트를 그리는 방법을 보여준다.

▶ MainForm.cs


using System;
using System.Drawing;
using System.Windows.Forms;

using Steema.TeeChart.Functions;
using Steema.TeeChart.Styles;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 라인 시리즈
        /// </summary>
        private Line line;

        /// <summary>
        /// 히스토그램 함수
        /// </summary>
        private HistogramFunction histogramFunction;

        /// <summary>
        /// 히스토그램 시리즈
        /// </summary>
        private Histogram histogram;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            #region 라인 시리즈를 생성한다.

            this.line = new Line();

            this.line.Title         = "line";
            this.line.Brush.Color   = Color.FromArgb(255, 0, 0);
            this.line.LinePen.Color = Color.FromArgb(255, 0, 0);

            #endregion
            #region 히스토그램 함수를 생성한다.

            this.histogramFunction = new HistogramFunction();

            this.histogramFunction.Cumulative = false;

            #endregion
            #region 히스토그램을 생성한다.

            this.histogram = new Histogram();

            this.histogram.Title       = "histogram";
            this.histogram.Brush.Color = Color.FromArgb(255, 0, 0);
            this.histogram.DataSource  = this.line;
            this.histogram.Function    = this.histogramFunction;

            #endregion
            #region 티차트 1을 설정한다.

            this.tChart1.Axes.Bottom.Grid.Color = Color.FromArgb(128, 128, 128);
            this.tChart1.Legend.Visible         = false;

            this.tChart1.Series.Add(this.line);

            #endregion
            #region 티차트 2를 설정한다.

            this.tChart2.Axes.Bottom.AxisPen.Visible = false;
            this.tChart2.Axes.Bottom.Grid.Color      = Color.FromArgb(128, 128, 128);
            this.tChart2.Legend.Visible              = false;

            this.tChart2.Series.Add(this.histogram);

            #endregion

            this.line.FillSampleValues(500);

            this.histogram.CheckDataSource();

            this.binCountNumericUpDown.ValueChanged         += binCountNumericUpDown_ValueChanged;
            this.cumulativeHistogramCheckBox.CheckedChanged += cumulativeHistogramCheckBox_CheckedChanged;
            this.refreshButton.Click                        += refreshButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region BIN 수 숫자 UP/DOWN 값 변경시 처리하기 - binCountNumericUpDown_ValueChanged(sender, e)

        /// <summary>
        /// BIN 수 숫자 UP/DOWN 값 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void binCountNumericUpDown_ValueChanged(object sender, EventArgs e)
        {
            this.histogramFunction.NumBins = (int)this.binCountNumericUpDown.Value;

            this.histogramFunction.Recalculate();
        }

        #endregion
        #region 누적 히스토그램 체크 박스 체크 변경시 처리하기 - cumulativeHistogramCheckBox_CheckedChanged(sender, e)

        /// <summary>
        /// 누적 히스토그램 체크 박스 체크 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void cumulativeHistogramCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            this.histogramFunction.Cumulative = this.cumulativeHistogramCheckBox.Checked;

            if(this.histogramFunction.Cumulative)
            {
                this.tChart2.Header.Text = "Cumulative Histogram";
            }
            else
            {
                tChart2.Header.Text = "Histogram";
            }

            this.histogramFunction.Recalculate();
        }

        #endregion
        #region 갱신하기 버튼 클릭시 처리하기 - refreshButton_Click(sender, e)

        /// <summary>
        /// 갱신하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void refreshButton_Click(object sender, EventArgs e)
        {
            this.line.FillSampleValues(500);

            this.histogramFunction.Recalculate();
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Windows.Forms;

using Steema.TeeChart.Functions;

using Steema.TeeChart.Styles;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 라인 시리즈

/// </summary>

private Line line;

/// <summary>

/// 히스토그램 함수

/// </summary>

private HistogramFunction histogramFunction;

/// <summary>

/// 히스토그램 시리즈

/// </summary>

private Histogram histogram;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

#region 라인 시리즈를 생성한다.

this.line = new Line();

this.line.Title = "line";

this.line.Brush.Color = Color.FromArgb(255, 0, 0);

this.line.LinePen.Color = Color.FromArgb(255, 0, 0);

#endregion

#region 히스토그램 함수를 생성한다.

this.histogramFunction = new HistogramFunction();

this.histogramFunction.Cumulative = false;

#endregion

#region 히스토그램을 생성한다.

this.histogram = new Histogram();

this.histogram.Title = "histogram";

this.histogram.Brush.Color = Color.FromArgb(255, 0, 0);

this.histogram.DataSource = this.line;

this.histogram.Function = this.histogramFunction;

#endregion

#region 티차트 1을 설정한다.

this.tChart1.Axes.Bottom.Grid.Color = Color.FromArgb(128, 128, 128);

this.tChart1.Legend.Visible = false;

this.tChart1.Series.Add(this.line);

#endregion

#region 티차트 2를 설정한다.

this.tChart2.Axes.Bottom.AxisPen.Visible = false;

this.tChart2.Axes.Bottom.Grid.Color = Color.FromArgb(128, 128, 128);

this.tChart2.Legend.Visible = false;

this.tChart2.Series.Add(this.histogram);

#endregion

this.line.FillSampleValues(500);

this.histogram.CheckDataSource();

this.binCountNumericUpDown.ValueChanged += binCountNumericUpDown_ValueChanged;

this.cumulativeHistogramCheckBox.CheckedChanged += cumulativeHistogramCheckBox_CheckedChanged;

this.refreshButton.Click += refreshButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region BIN 수 숫자 UP/DOWN 값 변경시 처리하기 - binCountNumericUpDown_ValueChanged(sender, e)

/// <summary>

/// BIN 수 숫자 UP/DOWN 값 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void binCountNumericUpDown_ValueChanged(object sender, EventArgs e)

{

this.histogramFunction.NumBins = (int)this.binCountNumericUpDown.Value;

this.histogramFunction.Recalculate();

}

#endregion

#region 누적 히스토그램 체크 박스 체크 변경시 처리하기 - cumulativeHistogramCheckBox_CheckedChanged(sender, e)

/// <summary>

/// 누적 히스토그램 체크 박스 체크 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void cumulativeHistogramCheckBox_CheckedChanged(object sender, EventArgs e)

{

this.histogramFunction.Cumulative = this.cumulativeHistogramCheckBox.Checked;

if(this.histogramFunction.Cumulative)

{

this.tChart2.Header.Text = "Cumulative Histogram";

}

else

{

tChart2.Header.Text = "Histogram";

}

this.histogramFunction.Recalculate();

}

#endregion

#region 갱신하기 버튼 클릭시 처리하기 - refreshButton_Click(sender, e)

/// <summary>

/// 갱신하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void refreshButton_Click(object sender, EventArgs e)

{

this.line.FillSampleValues(500);

this.histogramFunction.Recalculate();

}

#endregion

}

TestProject.zip