Wpf Dynamicdatadisplay动态绘图详细教程

朱雀 2020-10-25 07:00 1094阅读 0赞

xaml文件设置：

<Window x:Class="dynamicdatadisplay_test.MainWindow"
            xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
            xmlns:local="clr-namespace:dynamicdatadisplay_test"
            xmlns:d3="http://research.microsoft.com/DynamicDataDisplay/1.0"
            mc:Ignorable="d"
            Title="MainWindow" Height="450" Width="800" Closing="Window_Closing">
        <Grid>
            <d3:ChartPlotter x:Name="plotter">
                <d3:Header TextBlock.FontSize="20" >
                    Demo
                </d3:Header>
                <d3:VerticalAxisTitle>yAxies</d3:VerticalAxisTitle>
                <d3:HorizontalAxisTitle>xAxies</d3:HorizontalAxisTitle>
            </d3:ChartPlotter>
        </Grid>
    </Window>

MainWindow.xaml.cs：

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Data;
    using System.Windows.Documents;
    using System.Windows.Input;
    using System.Windows.Media;
    using System.Windows.Media.Imaging;
    using System.Windows.Navigation;
    using System.Windows.Shapes;
    using System.Threading;
    using Microsoft.Research.DynamicDataDisplay.DataSources;
    using Microsoft.Research.DynamicDataDisplay;
    
    namespace dynamicdatadisplay_test
    {
        /// <summary>
        /// MainWindow.xaml 的交互逻辑
        /// </summary>
        public partial class MainWindow : Window
        {
            public ObservableDataSource<Point> source1 = null;
            public MainWindow()
            {
                InitializeComponent();
                this.Loaded += MainWindow_Loaded;
            }
    
            private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
            {
                Environment.Exit(0);
                e.Cancel = false;
            }
    
            private void MainWindow_Loaded(object sender, RoutedEventArgs e)
            {
                source1 = new ObservableDataSource<Point>();
                // Set identity mapping of point in collection to point on plot
                source1.SetXYMapping(p => p);
    
                // Add the graph. Colors are not specified and chosen random
                plotter.AddLineGraph(source1, 2, "Data row");
    
                // Force everyting to fit in view
                plotter.Viewport.FitToView();
    
                // Start computation process in second thread
                Thread simThread = new Thread(new ThreadStart(Simulation));
                simThread.IsBackground = true;
                simThread.Start();
            }
    
            private void Simulation()
            {
                int i = 0;
                while (true)
                {
                    Point p1 = new Point(i, 0.3*Math.Sin(i));
                    source1.AppendAsync(Dispatcher, p1);
    
                    i++;
                    Thread.Sleep(10);
    
                }
            }
        }
    }

效果：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1Zlcm1vbnRf_size_16_color_FFFFFF_t_70][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1Zlcm1vbnRf_size_16_color_FFFFFF_t_70]: /images/1603609197467.png