WPF免费绘图库推荐

InteractiveDataDisplay是Microsoft开发的一组 WPF 控件，用于在 WPF 应用程序中交互式显示数据。它支持折线图、气泡图、热图和其他在科学软件中非常常见的复杂二维图。GitHub 页面上的最后一次提交是从 2018 年开始的，最后一次发布的 NuGet 包InteractiveDataDisplay.WPF是从 2017 年开始的，所以这个项目似乎不再维护。

平台支持

官方包只支持.NET Framework： NuGet包（1.0.0版）不支持.NET Core。更具体地说，NuGet 包具有复杂的过时依赖项，而官方 NuGet 包仅适用于开箱即用的.NET Framework 4.5.2

对 .NET Core 的非官方支持： 2019 年的第34期链接到Jeff Mastry的支持 .NET Core 的分支，但它在 NuGet 上不可用，并且微软从未对此问题作出回应。

互动性

左键单击拖动以平移
左键单击并拖动轴以平移该轴
滚轮缩放
双击以使轴限制适合数据

快速开始

创建 .NET Framework WPF 应用程序
添加InteractiveDataDisplay.WPFNuGet 包
将图表控件添加到您的布局
Add()图表类型

主窗口.xaml

<Window x:Class="QuickstartInteractiveDataDisplay.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:QuickstartInteractiveDataDisplay" xmlns:d3="clr-namespace:InteractiveDataDisplay.WPF;assembly=InteractiveDataDisplay.WPF"mc:Ignorable="d"Title="MainWindow" Height="450" Width="800"><Grid><d3:Chart Name="myChart"><Grid Name="myGrid"/></d3:Chart></Grid>
</Window>

生成样本数据

此代码生成我们可以练习绘图的随机数据

private Random rand = new Random(0);
private double[] RandomWalk(int points = 5, double start = 100, double mult = 50)
{// return an array of difting random numbersdouble[] values = new double[points];values[0] = start;for (int i = 1; i < points; i++)values[i] = values[i - 1] + (rand.NextDouble() - .5) * mult;return values;
}
private double[] Consecutive(int points, double offset = 0, double stepSize = 1)
{// return an array of ascending numbers starting at 1double[] values = new double[points];for (int i = 0; i < points; i++)values[i] = i * stepSize + 1 + offset;return values;
}

条状图

// generate some random Y data
int pointCount = 5;
double[] xs1 = Consecutive(pointCount, offset: 0);
double[] xs2 = Consecutive(pointCount, offset: .4);
double[] ys1 = RandomWalk(pointCount);
double[] ys2 = RandomWalk(pointCount);// create the series and describe their styling
var bar1 = new InteractiveDataDisplay.WPF.BarGraph()
{Color = Brushes.Blue,Description = "Group A",BarsWidth = .35,
};var bar2 = new InteractiveDataDisplay.WPF.BarGraph()
{Color = Brushes.Red,Description = "Group B",BarsWidth = .35,
};// load data into each series
bar1.PlotBars(xs1, ys1);
bar2.PlotBars(xs2, ys2);// add the series to the grid
myGrid.Children.Clear();
myGrid.Children.Add(bar1);
myGrid.Children.Add(bar2);// customize styling
myChart.Title = $"Bar Graph";
myChart.BottomTitle = $"Horizontal Axis Label";
myChart.LeftTitle = $"Vertical Axis Label";
myChart.IsAutoFitEnabled = false;
myChart.LegendVisibility = Visibility.Visible;// set axis limits manually
myChart.PlotOriginX = .5;
myChart.PlotWidth = 5.5;
myChart.PlotOriginY = 0;
myChart.PlotHeight = 200;

散点图

// generate some random X and Y data
int pointCount = 500;
double[] xs1 = RandomWalk(pointCount);
double[] ys1 = RandomWalk(pointCount);
double[] xs2 = RandomWalk(pointCount);
double[] ys2 = RandomWalk(pointCount);
double[] sizes = Consecutive(pointCount, 10, 0);// create the lines and describe their styling
var line1 = new InteractiveDataDisplay.WPF.CircleMarkerGraph()
{Color = new SolidColorBrush(Colors.Blue),Description = "Group A",StrokeThickness = 1
};var line2 = new InteractiveDataDisplay.WPF.CircleMarkerGraph()
{Color = new SolidColorBrush(Colors.Red),Description = "Group B",StrokeThickness = 1
};// load data into the lines
line1.PlotSize(xs1, ys1, sizes);
line2.PlotSize(xs2, ys2, sizes);// add lines into the grid
myGrid.Children.Clear();
myGrid.Children.Add(line1);
myGrid.Children.Add(line2);// customize styling
myChart.Title = $"Line Plot ({pointCount:n0} points each)";
myChart.BottomTitle = $"Horizontal Axis Label";
myChart.LeftTitle = $"Vertical Axis Label";
myChart.IsAutoFitEnabled = true;
myChart.LegendVisibility = Visibility.Hidden;

线图

我可以显示大约 10 万行点的行，性能开始受到很大影响。

int pointCount = 10_000;
double[] xs = Consecutive(pointCount);
double[] ys1 = RandomWalk(pointCount);
double[] ys2 = RandomWalk(pointCount);// create the lines and describe their styling
var line1 = new InteractiveDataDisplay.WPF.LineGraph
{Stroke = new SolidColorBrush(Colors.Blue),Description = "Line A",StrokeThickness = 2
};var line2 = new InteractiveDataDisplay.WPF.LineGraph
{Stroke = new SolidColorBrush(Colors.Red),Description = "Line B",StrokeThickness = 2
};// load data into the lines
line1.Plot(xs, ys1);
line2.Plot(xs, ys2);// add lines into the grid
myGrid.Children.Clear();
myGrid.Children.Add(line1);
myGrid.Children.Add(line2);// customize styling
myChart.Title = $"Line Plot ({pointCount:n0} points each)";
myChart.BottomTitle = $"Horizontal Axis Label";
myChart.LeftTitle = $"Vertical Axis Label";
myChart.IsAutoFitEnabled = true;
myChart.LegendVisibility = Visibility.Visible;

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