[SCOTTPLOT/WINFORM] 날짜/시간 축을 사용하는 막대 그래프 차트 그리기

TestProject.zip

0.01MB

▶ MainForm.cs

using System;
using System.Windows.Forms;

using ScottPlot;
using ScottPlot.Plottable;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

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

            Plot plot = new Plot(800, 600);

            int pointCount = 24;

            Random random = new Random(0);

            double[] valueArray = DataGen.Random(random, pointCount, 1, 2);

            DateTime startDate = new DateTime(2021, 09, 24, 0, 0, 0);

            double[] positionArray = new double[pointCount];

            for(int i = 0; i < pointCount; i++)
            {
                positionArray[i] = startDate.AddHours(i).ToOADate();
            }

            BarPlot barPlot = plot.AddBar(valueArray, positionArray);

            plot.XAxis.DateTimeFormat(true);

            barPlot.BarWidth = (1.0 / 24) * .8;

            plot.SetAxisLimits(yMin : 0);

            this.formsPlot.Reset(plot);

            this.formsPlot.Refresh();
        }

        #endregion
    }
}