[C#/WINFORM/LIGHTNINGCHART] FreeformPointLineSeries 클래스 : Scatter 차트 그리기

■ FreeformPointLineSeries 클래스를 사용해 Scatter 차트를 그리는 방법을 보여준다.

▶ ChartHelper.cs


using System;
using System.Collections.Generic;
using System.Drawing;

using Arction.WinForms.Charting;
using Arction.WinForms.Charting.Axes;
using Arction.WinForms.Charting.Views.ViewXY;

namespace TestProject
{
    /// <summary>
    /// 차트 헬퍼
    /// </summary>
    public static class ChartHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 단일 색상 리스트
        /// </summary>
        public static List<Color> SolidColorList = new List<Color>
        {
            Color.FromArgb(187, 28 , 0 ),
            Color.FromArgb(222, 54 , 11),
            Color.FromArgb(199, 86 , 10),
            Color.FromArgb(255, 160, 0 ),
            Color.FromArgb(255, 124, 0 )
        };

        /// <summary>
        /// 반투명 색상 리스트
        /// </summary>
        public static List<Color> TranslucentColorList = new List<Color>
        {
            Color.FromArgb(180, SolidColorList[0]),
            Color.FromArgb(180, SolidColorList[1]),
            Color.FromArgb(180, SolidColorList[2]),
            Color.FromArgb(180, SolidColorList[3]),
            Color.FromArgb(180, SolidColorList[4])
        };

        #endregion

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

        #region Field

        /// <summary>
        /// 복구 정보
        /// </summary>
        private static RestoreInfo _restoreInfo;

        /// <summary>
        /// 배경 색상
        /// </summary>
        private static Color _backgroundColor = Color.FromArgb(255, 30, 30, 30);

        /// <summary>
        /// 제목 색상
        /// </summary>
        private static Color _titleColor = Color.FromArgb(255, 249, 202, 3);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 리스트 데이터 지우기 - ClearListData<TItem>(sourceList)

        /// <summary>
        /// 리스트 데이터 지우기
        /// </summary>
        /// <typeparam name="TItem">항목 타입</typeparam>
        /// <param name="sourceList">소스 리스트</param>
        public static void ClearListData<TItem>(List<TItem> sourceList) where TItem : IDisposable
        {
            if(sourceList == null)
            {
                return;
            }

            while(sourceList.Count > 0)
            {
                int lastIndex = sourceList.Count - 1;

                TItem item = sourceList[lastIndex];

                sourceList.RemoveAt(lastIndex);

                if(item != null)
                {
                    (item as IDisposable).Dispose();
                }
            }
        }

        #endregion

        #region 다크/플랫 스타일 설정하기 - SetDarkFlatStyle(chart, minorTickOption)

        /// <summary>
        /// 다크/플랫 스타일 설정하기
        /// </summary>
        /// <param name="chart">차트</param>
        /// <param name="minorTickOption">작은 눈금 옵션</param>
        public static void SetDarkFlatStyle(LightningChartUltimate chart, MinorTickOption minorTickOption = MinorTickOption.None)
        {
            _restoreInfo = new RestoreInfo(chart);

            chart.Background.Color        = _backgroundColor;
            chart.Background.GradientFill = GradientFill.Solid;

            chart.ViewXY.GraphBackground.Color        = Color.FromArgb(255, 20, 20, 20);
            chart.ViewXY.GraphBackground.GradientFill = GradientFill.Solid;

            chart.Title.Color          = _titleColor;
            chart.Title.MouseHighlight = MouseOverHighlight.None;

            bool showXMinotTick = false;
            bool showYMinorTick = false;

            if(minorTickOption == MinorTickOption.Both)
            {
                showXMinotTick = showYMinorTick = true;
            }
            else if(minorTickOption == MinorTickOption.OnlyX)
            {
                showXMinotTick = true;
            }
            else if(minorTickOption == MinorTickOption.OnlyY)
            {
                showYMinorTick = true;
            }

            foreach(AxisY axisY in chart.ViewXY.YAxes)
            {
                axisY.Title.Color          = _titleColor;
                axisY.Title.MouseHighlight = MouseOverHighlight.None;

                axisY.MajorGrid.Color   = Color.FromArgb(35, 255, 255, 255);
                axisY.MajorGrid.Pattern = LinePattern.Solid;

                axisY.MinorDivTickStyle.Visible = showYMinorTick;
            }

            foreach(AxisX axisX in chart.ViewXY.XAxes)
            {
                axisX.Title.Color          = _titleColor;
                axisX.Title.MouseHighlight = MouseOverHighlight.None;

                axisX.MajorGrid.Color   = Color.FromArgb(35, 255, 255, 255);
                axisX.MajorGrid.Pattern = LinePattern.Solid;

                axisX.MinorDivTickStyle.Visible = showXMinotTick;
            }

            if(chart.ViewXY.LegendBoxes != null)
            {
                foreach(LegendBoxXY legendBox in chart.ViewXY.LegendBoxes)
                {
                    legendBox.Shadow.Visible = false;
                }
            }
        }

        #endregion
        #region 다크 플랫 스타일 취소하기 - CancelDarkFlatStyle(chart)

        /// <summary>
        /// 다크 플랫 스타일 취소하기
        /// </summary>
        /// <param name="chart">차트</param>
        public static void CancelDarkFlatStyle(LightningChartUltimate chart)
        {
            if(_restoreInfo != null)
            {
                if(chart != null)
                {
                    chart.BeginUpdate();

                    chart.Background.Color        = _restoreInfo.ChartColor;
                    chart.Background.GradientFill = _restoreInfo.ChartGradientFill;

                    chart.ViewXY.GraphBackground.Color        = _restoreInfo.ViewColor;
                    chart.ViewXY.GraphBackground.GradientFill = _restoreInfo.viewGradientFill;

                    foreach(var yAxis in chart.ViewXY.YAxes)
                    {
                        yAxis.MajorGrid.Color   = _restoreInfo.GridColor;
                        yAxis.MajorGrid.Pattern = _restoreInfo.GridLinePattern;

                        yAxis.MinorDivTickStyle.Visible = true;
                    }

                    foreach(var xAxis in chart.ViewXY.XAxes)
                    {
                        xAxis.MajorGrid.Color   = _restoreInfo.GridColor;
                        xAxis.MajorGrid.Pattern = _restoreInfo.GridLinePattern;

                        xAxis.MinorDivTickStyle.Visible = true;
                    }

                    chart.EndUpdate();
                }
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Drawing;

using Arction.WinForms.Charting;

using Arction.WinForms.Charting.Axes;

using Arction.WinForms.Charting.Views.ViewXY;

namespace TestProject

{

/// <summary>

/// 차트 헬퍼

/// </summary>

public static class ChartHelper

{

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

////////////////////////////////////////////////////////////////////////////////////////// Static

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

#region Field

/// <summary>

/// 단일 색상 리스트

/// </summary>

public static List<Color> SolidColorList = new List<Color>

{

Color.FromArgb(187, 28 , 0 ),

Color.FromArgb(222, 54 , 11),

Color.FromArgb(199, 86 , 10),

Color.FromArgb(255, 160, 0 ),

Color.FromArgb(255, 124, 0 )

};

/// <summary>

/// 반투명 색상 리스트

/// </summary>

public static List<Color> TranslucentColorList = new List<Color>

{

Color.FromArgb(180, SolidColorList[0]),

Color.FromArgb(180, SolidColorList[1]),

Color.FromArgb(180, SolidColorList[2]),

Color.FromArgb(180, SolidColorList[3]),

Color.FromArgb(180, SolidColorList[4])

};

#endregion

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

#region Field

/// <summary>

/// 복구 정보

/// </summary>

private static RestoreInfo _restoreInfo;

/// <summary>

/// 배경 색상

/// </summary>

private static Color _backgroundColor = Color.FromArgb(255, 30, 30, 30);

/// <summary>

/// 제목 색상

/// </summary>

private static Color _titleColor = Color.FromArgb(255, 249, 202, 3);

#endregion

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

////////////////////////////////////////////////////////////////////////////////////////// Static

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

#region 리스트 데이터 지우기 - ClearListData<TItem>(sourceList)

/// <summary>

/// 리스트 데이터 지우기

/// </summary>

/// <typeparam name="TItem">항목 타입</typeparam>

/// <param name="sourceList">소스 리스트</param>

public static void ClearListData<TItem>(List<TItem> sourceList) where TItem : IDisposable

{

if(sourceList == null)

{

return;

}

while(sourceList.Count > 0)

{

int lastIndex = sourceList.Count - 1;

TItem item = sourceList[lastIndex];

sourceList.RemoveAt(lastIndex);

if(item != null)

{

(item as IDisposable).Dispose();

}

#endregion

#region 다크/플랫 스타일 설정하기 - SetDarkFlatStyle(chart, minorTickOption)

/// <summary>

/// 다크/플랫 스타일 설정하기

/// </summary>

/// <param name="chart">차트</param>

/// <param name="minorTickOption">작은 눈금 옵션</param>

public static void SetDarkFlatStyle(LightningChartUltimate chart, MinorTickOption minorTickOption = MinorTickOption.None)

{

_restoreInfo = new RestoreInfo(chart);

chart.Background.Color = _backgroundColor;

chart.Background.GradientFill = GradientFill.Solid;

chart.ViewXY.GraphBackground.Color = Color.FromArgb(255, 20, 20, 20);

chart.ViewXY.GraphBackground.GradientFill = GradientFill.Solid;

chart.Title.Color = _titleColor;

chart.Title.MouseHighlight = MouseOverHighlight.None;

bool showXMinotTick = false;

bool showYMinorTick = false;

if(minorTickOption == MinorTickOption.Both)

{

showXMinotTick = showYMinorTick = true;

}

else if(minorTickOption == MinorTickOption.OnlyX)

{

showXMinotTick = true;

}

else if(minorTickOption == MinorTickOption.OnlyY)

{

showYMinorTick = true;

}

foreach(AxisY axisY in chart.ViewXY.YAxes)

{

axisY.Title.Color = _titleColor;

axisY.Title.MouseHighlight = MouseOverHighlight.None;

axisY.MajorGrid.Color = Color.FromArgb(35, 255, 255, 255);

axisY.MajorGrid.Pattern = LinePattern.Solid;

axisY.MinorDivTickStyle.Visible = showYMinorTick;

}

foreach(AxisX axisX in chart.ViewXY.XAxes)

{

axisX.Title.Color = _titleColor;

axisX.Title.MouseHighlight = MouseOverHighlight.None;

axisX.MajorGrid.Color = Color.FromArgb(35, 255, 255, 255);

axisX.MajorGrid.Pattern = LinePattern.Solid;

axisX.MinorDivTickStyle.Visible = showXMinotTick;

}

if(chart.ViewXY.LegendBoxes != null)

{

foreach(LegendBoxXY legendBox in chart.ViewXY.LegendBoxes)

{

legendBox.Shadow.Visible = false;

}

#endregion

#region 다크 플랫 스타일 취소하기 - CancelDarkFlatStyle(chart)

/// <summary>

/// 다크 플랫 스타일 취소하기

/// </summary>

/// <param name="chart">차트</param>

public static void CancelDarkFlatStyle(LightningChartUltimate chart)

{

if(_restoreInfo != null)

{

if(chart != null)

{

chart.BeginUpdate();

chart.Background.Color = _restoreInfo.ChartColor;

chart.Background.GradientFill = _restoreInfo.ChartGradientFill;

chart.ViewXY.GraphBackground.Color = _restoreInfo.ViewColor;

chart.ViewXY.GraphBackground.GradientFill = _restoreInfo.viewGradientFill;

foreach(var yAxis in chart.ViewXY.YAxes)

{

yAxis.MajorGrid.Color = _restoreInfo.GridColor;

yAxis.MajorGrid.Pattern = _restoreInfo.GridLinePattern;

yAxis.MinorDivTickStyle.Visible = true;

}

foreach(var xAxis in chart.ViewXY.XAxes)

{

xAxis.MajorGrid.Color = _restoreInfo.GridColor;

xAxis.MajorGrid.Pattern = _restoreInfo.GridLinePattern;

xAxis.MinorDivTickStyle.Visible = true;

}

chart.EndUpdate();

}

#endregion

}

▶ MainForm.cs


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

using Arction.WinForms.Charting;
using Arction.WinForms.Charting.Axes;
using Arction.WinForms.Charting.SeriesXY;
using Arction.WinForms.Charting.Views.ViewXY;

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

        #region Field

        /// <summary>
        /// 차트
        /// </summary>
        private LightningChartUltimate chart = null;

        /// <summary>
        /// 현재 X 범위
        /// </summary>
        private double currentXRange = 1000.0;

        /// <summary>
        /// 현재 Y 범위
        /// </summary>
        private double currentYRange = 1000.0;

        #endregion

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

        #region 생성자 - MainForm()

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

            InitializeChart();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region X축 범위 변경시 처리하기 - axisX_RangeChanged(sender, e)

        /// <summary>
        /// X축 범위 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void axisX_RangeChanged(object sender, RangeChangedEventArgs e)
        {
            if(e.NewMin < 0.0)
            {
                double newRange = e.NewMax - e.NewMin;

                if(newRange <= 1000.0)
                {
                    this.chart.ViewXY.XAxes[0].SetRange(0.0, newRange);
                }
                else
                {
                    this.chart.ViewXY.XAxes[0].SetRange(0.0, 1000.0);
                }
            }
            else if(e.NewMax > 1000.0)
            {
                double newRange = e.NewMax - e.NewMin;

                if(newRange <= 1000.0)
                {
                    this.chart.ViewXY.XAxes[0].SetRange(1000.0 - newRange, 1000.0);
                }
                else
                {
                    this.chart.ViewXY.XAxes[0].SetRange(0, 1000.0);
                }
            }
            else
            {
                double newRange = e.NewMax - e.NewMin;

                this.chart.BeginUpdate();

                this.chart.HorizontalScrollBars[0].LargeChange = (ulong)(newRange + 0.5);
                this.chart.HorizontalScrollBars[0].Value       = (ulong)(e.NewMin + 0.5);

                this.chart.EndUpdate();

                this.currentXRange = newRange;
            }
        }

        #endregion
        #region Y축 범위 변경시 처리하기 - axisY_RangeChanged(sender, e)

        /// <summary>
        /// Y축 범위 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void axisY_RangeChanged(object sender, RangeChangedEventArgs e)
        {
            if(e.NewMin < 0.0)
            {
                double newRange = e.NewMax - e.NewMin;

                if(newRange <= 1000.0)
                {
                    this.chart.ViewXY.YAxes[0].SetRange(0.0, newRange);
                }
                else
                {
                    this.chart.ViewXY.YAxes[0].SetRange(0.0, 1000.0);
                }
            }
            else if(e.NewMax > 1000.0)
            {
                double newRange = e.NewMax - e.NewMin;

                if(newRange <= 1000.0)
                {
                    this.chart.ViewXY.YAxes[0].SetRange(1000.0 - newRange, 1000.0);
                }
                else
                {
                    this.chart.ViewXY.YAxes[0].SetRange(0, 1000.0);
                }
            }
            else
            {
                double newRange = e.NewMax - e.NewMin;

                this.chart.BeginUpdate();

                this.chart.VerticalScrollBars[0].LargeChange = (ulong)(newRange + 0.5);
                this.chart.VerticalScrollBars[0].Value       = (ulong)(1000.0 - e.NewMax);

                this.chart.EndUpdate();

                this.currentYRange = newRange;
            }
        }

        #endregion

        #region 수평 스크롤바 스크롤시 처리하기 - horizontalScrollBar_Scroll(sender, e)

        /// <summary>
        /// 수평 스크롤바 스크롤시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void horizontalScrollBar_Scroll(object sender, Arction.WinForms.Charting.ScrollEventArgs e)
        {
            double newMin = e.NewValue;

            if(newMin < 0.0)
            {
                newMin = 0.0;
            }

            double newMax = newMin + this.currentXRange;

            if(newMax > 1000.0)
            {
                newMax = 1000.0;
                newMin = newMax - this.currentXRange;
            }

            this.chart.ViewXY.XAxes[0].SetRange(newMin, newMax);
        }

        #endregion
        #region 수직 스크롤바 스크롤시 처리하기 - verticalScrollBar_Scroll(sender, e)

        /// <summary>
        /// 수직 스크롤바 스크롤시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void verticalScrollBar_Scroll(object sender, Arction.WinForms.Charting.ScrollEventArgs e)
        {
            double newMin = 1000.0 - (double)e.NewValue - this.currentYRange;

            if(newMin < 0.0)
            {
                newMin = 0.0;
            }

            double newMax = newMin + this.currentYRange;

            if(newMax > 1000.0)
            {
                newMax = 1000.0;
                newMin = newMax - this.currentYRange;
            }

            this.chart.ViewXY.YAxes[0].SetRange(newMin, newMax);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 차트 초기화하기 - InitializeChart()

        /// <summary>
        /// 차트 초기화하기
        /// </summary>
        private void InitializeChart()
        {
            this.chart = new LightningChartUltimate();

            this.chart.BeginUpdate();

            this.chart.Name   = "chart";
            this.chart.Parent = this;
            this.chart.Dock   = DockStyle.Fill;

            this.chart.Title.Font = Font;
            this.chart.Title.Text = "Scatter 차트";


            ViewXY viewXY = this.chart.ViewXY;

            viewXY.AxisLayout.AutoAdjustMargins  = false;
            viewXY.AxisLayout.XAxisAutoPlacement = XAxisAutoPlacement.AllTop;
            viewXY.Margins                       = new Padding(80, 80, 30, 30);


            AxisX axisX = viewXY.XAxes[0];

            axisX.Title.Font = Font;
            axisX.Title.Text = "X축";
            axisX.ValueType  = AxisValueType.Number;
            axisX.ScrollMode = XAxisScrollMode.None;
            axisX.Minimum    = 0.0;
            axisX.Maximum    = this.currentXRange;


            AxisY axisY = viewXY.YAxes[0];

            axisY.Title.Font = Font;
            axisY.Title.Text = "Y축";
            axisY.ValueType  = AxisValueType.Number;
            axisY.Minimum    = 0.0;
            axisY.Maximum    = this.currentYRange;


            ChartHelper.SetDarkFlatStyle(this.chart);


            FreeformPointLineSeries series = new FreeformPointLineSeries(viewXY, axisX, axisY);

            series.Title.Visible     = false;
            series.Title.Color       = series.LineStyle.Color;
            series.LineVisible       = false;
            series.PointsVisible     = true;
            series.PointStyle.Shape  = Shape.Rectangle;
            series.PointStyle.Color1 = Color.Yellow;
            series.PointStyle.Color2 = Color.Orange;
            series.PointStyle.Angle  = 45;
            series.MouseInteraction  = false;

            viewXY.FreeformPointLineSeries.Add(series);


            HorizontalScrollBar horizontalScrollBar = new HorizontalScrollBar(this.chart);

            horizontalScrollBar.Border.Style = BorderType.None;
            horizontalScrollBar.Maximum      = (ulong)axisX.Maximum;
            horizontalScrollBar.Minimum      = (ulong)axisX.Minimum;
            horizontalScrollBar.LargeChange  = (ulong)axisX.Maximum;
            horizontalScrollBar.SmallChange  = 1;

            this.chart.HorizontalScrollBars.Add(horizontalScrollBar);


            VerticalScrollBar verticalScrollBar = new VerticalScrollBar(this.chart);

            verticalScrollBar.Border.Style = BorderType.None;
            verticalScrollBar.Maximum      = (ulong)axisY.Maximum;
            verticalScrollBar.Minimum      = (ulong)axisY.Minimum;
            verticalScrollBar.LargeChange  = (ulong)axisY.Maximum;
            verticalScrollBar.SmallChange  = 1;

            this.chart.VerticalScrollBars.Add(verticalScrollBar);


            int pointCount = 10000;

            Random random = new Random();

            SeriesPoint[] pointArray = new SeriesPoint[pointCount];

            for(int i = 0; i < pointCount; i++)
            {
                pointArray[i].X = random.NextDouble() * 1000.0;
                pointArray[i].Y = random.NextDouble() * 1000.0;
            }

            this.chart.ViewXY.FreeformPointLineSeries[0].Points = pointArray;

            LegendBoxXY legendBoxXY = viewXY.LegendBoxes[0];

            legendBoxXY.Visible = false;

            axisX.RangeChanged         += axisX_RangeChanged;
            axisY.RangeChanged         += axisY_RangeChanged;
            horizontalScrollBar.Scroll += horizontalScrollBar_Scroll;
            verticalScrollBar.Scroll   += verticalScrollBar_Scroll;

            axisX.SetRange(300, 500);
            axisY.SetRange(300, 500);

            this.chart.EndUpdate();
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Windows.Forms;

using Arction.WinForms.Charting;

using Arction.WinForms.Charting.Axes;

using Arction.WinForms.Charting.SeriesXY;

using Arction.WinForms.Charting.Views.ViewXY;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

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

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

#region Field

/// <summary>

/// 차트

/// </summary>

private LightningChartUltimate chart = null;

/// <summary>

/// 현재 X 범위

/// </summary>

private double currentXRange = 1000.0;

/// <summary>

/// 현재 Y 범위

/// </summary>

private double currentYRange = 1000.0;

#endregion

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

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

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

InitializeChart();

}

#endregion

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

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

//////////////////////////////////////////////////////////////////////////////// Event

#region X축 범위 변경시 처리하기 - axisX_RangeChanged(sender, e)

/// <summary>

/// X축 범위 변경시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void axisX_RangeChanged(object sender, RangeChangedEventArgs e)

{

if(e.NewMin < 0.0)

{

double newRange = e.NewMax - e.NewMin;

if(newRange <= 1000.0)

{

this.chart.ViewXY.XAxes[0].SetRange(0.0, newRange);

}

else

{

this.chart.ViewXY.XAxes[0].SetRange(0.0, 1000.0);

}

else if(e.NewMax > 1000.0)

{

double newRange = e.NewMax - e.NewMin;

if(newRange <= 1000.0)

{

this.chart.ViewXY.XAxes[0].SetRange(1000.0 - newRange, 1000.0);

}

else

{

this.chart.ViewXY.XAxes[0].SetRange(0, 1000.0);

}

else

{

double newRange = e.NewMax - e.NewMin;

this.chart.BeginUpdate();

this.chart.HorizontalScrollBars[0].LargeChange = (ulong)(newRange + 0.5);

this.chart.HorizontalScrollBars[0].Value = (ulong)(e.NewMin + 0.5);

this.chart.EndUpdate();

this.currentXRange = newRange;

}

#endregion

#region Y축 범위 변경시 처리하기 - axisY_RangeChanged(sender, e)

/// <summary>

/// Y축 범위 변경시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void axisY_RangeChanged(object sender, RangeChangedEventArgs e)

{

if(e.NewMin < 0.0)

{

double newRange = e.NewMax - e.NewMin;

if(newRange <= 1000.0)

{

this.chart.ViewXY.YAxes[0].SetRange(0.0, newRange);

}

else

{

this.chart.ViewXY.YAxes[0].SetRange(0.0, 1000.0);

}

else if(e.NewMax > 1000.0)

{

double newRange = e.NewMax - e.NewMin;

if(newRange <= 1000.0)

{

this.chart.ViewXY.YAxes[0].SetRange(1000.0 - newRange, 1000.0);

}

else

{

this.chart.ViewXY.YAxes[0].SetRange(0, 1000.0);

}

else

{

double newRange = e.NewMax - e.NewMin;

this.chart.BeginUpdate();

this.chart.VerticalScrollBars[0].LargeChange = (ulong)(newRange + 0.5);

this.chart.VerticalScrollBars[0].Value = (ulong)(1000.0 - e.NewMax);

this.chart.EndUpdate();

this.currentYRange = newRange;

}

#endregion

#region 수평 스크롤바 스크롤시 처리하기 - horizontalScrollBar_Scroll(sender, e)

/// <summary>

/// 수평 스크롤바 스크롤시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void horizontalScrollBar_Scroll(object sender, Arction.WinForms.Charting.ScrollEventArgs e)

{

double newMin = e.NewValue;

if(newMin < 0.0)

{

newMin = 0.0;

}

double newMax = newMin + this.currentXRange;

if(newMax > 1000.0)

{

newMax = 1000.0;

newMin = newMax - this.currentXRange;

}

this.chart.ViewXY.XAxes[0].SetRange(newMin, newMax);

}

#endregion

#region 수직 스크롤바 스크롤시 처리하기 - verticalScrollBar_Scroll(sender, e)

/// <summary>

/// 수직 스크롤바 스크롤시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void verticalScrollBar_Scroll(object sender, Arction.WinForms.Charting.ScrollEventArgs e)

{

double newMin = 1000.0 - (double)e.NewValue - this.currentYRange;

if(newMin < 0.0)

{

newMin = 0.0;

}

double newMax = newMin + this.currentYRange;

if(newMax > 1000.0)

{

newMax = 1000.0;

newMin = newMax - this.currentYRange;

}

this.chart.ViewXY.YAxes[0].SetRange(newMin, newMax);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 차트 초기화하기 - InitializeChart()

/// <summary>

/// 차트 초기화하기

/// </summary>

private void InitializeChart()

{

this.chart = new LightningChartUltimate();

this.chart.BeginUpdate();

this.chart.Name = "chart";

this.chart.Parent = this;

this.chart.Dock = DockStyle.Fill;

this.chart.Title.Font = Font;

this.chart.Title.Text = "Scatter 차트";

ViewXY viewXY = this.chart.ViewXY;

viewXY.AxisLayout.AutoAdjustMargins = false;

viewXY.AxisLayout.XAxisAutoPlacement = XAxisAutoPlacement.AllTop;

viewXY.Margins = new Padding(80, 80, 30, 30);

AxisX axisX = viewXY.XAxes[0];

axisX.Title.Font = Font;

axisX.Title.Text = "X축";

axisX.ValueType = AxisValueType.Number;

axisX.ScrollMode = XAxisScrollMode.None;

axisX.Minimum = 0.0;

axisX.Maximum = this.currentXRange;

AxisY axisY = viewXY.YAxes[0];

axisY.Title.Font = Font;

axisY.Title.Text = "Y축";

axisY.ValueType = AxisValueType.Number;

axisY.Minimum = 0.0;

axisY.Maximum = this.currentYRange;

ChartHelper.SetDarkFlatStyle(this.chart);

FreeformPointLineSeries series = new FreeformPointLineSeries(viewXY, axisX, axisY);

series.Title.Visible = false;

series.Title.Color = series.LineStyle.Color;

series.LineVisible = false;

series.PointsVisible = true;

series.PointStyle.Shape = Shape.Rectangle;

series.PointStyle.Color1 = Color.Yellow;

series.PointStyle.Color2 = Color.Orange;

series.PointStyle.Angle = 45;

series.MouseInteraction = false;

viewXY.FreeformPointLineSeries.Add(series);

HorizontalScrollBar horizontalScrollBar = new HorizontalScrollBar(this.chart);

horizontalScrollBar.Border.Style = BorderType.None;

horizontalScrollBar.Maximum = (ulong)axisX.Maximum;

horizontalScrollBar.Minimum = (ulong)axisX.Minimum;

horizontalScrollBar.LargeChange = (ulong)axisX.Maximum;

horizontalScrollBar.SmallChange = 1;

this.chart.HorizontalScrollBars.Add(horizontalScrollBar);

VerticalScrollBar verticalScrollBar = new VerticalScrollBar(this.chart);

verticalScrollBar.Border.Style = BorderType.None;

verticalScrollBar.Maximum = (ulong)axisY.Maximum;

verticalScrollBar.Minimum = (ulong)axisY.Minimum;

verticalScrollBar.LargeChange = (ulong)axisY.Maximum;

verticalScrollBar.SmallChange = 1;

this.chart.VerticalScrollBars.Add(verticalScrollBar);

int pointCount = 10000;

Random random = new Random();

SeriesPoint[] pointArray = new SeriesPoint[pointCount];

for(int i = 0; i < pointCount; i++)

{

pointArray[i].X = random.NextDouble() * 1000.0;

pointArray[i].Y = random.NextDouble() * 1000.0;

}

this.chart.ViewXY.FreeformPointLineSeries[0].Points = pointArray;

LegendBoxXY legendBoxXY = viewXY.LegendBoxes[0];

legendBoxXY.Visible = false;

axisX.RangeChanged += axisX_RangeChanged;

axisY.RangeChanged += axisY_RangeChanged;

horizontalScrollBar.Scroll += horizontalScrollBar_Scroll;

verticalScrollBar.Scroll += verticalScrollBar_Scroll;

axisX.SetRange(300, 500);

axisY.SetRange(300, 500);

this.chart.EndUpdate();

}

#endregion

}

TestProject.zip

.NETFRAMEWORK C# CHART CONTROL LIGHTNINGCHART SCATTER CHART WINFORM

icodebroker

[C#/WINFORM/LIGHTNINGCHART] FreeformPointLineSeries 클래스 : Scatter 차트 그리기