How to Fill Between Two Line Series in C# WPF using OxyPlot
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How to Fill Between Two #Line_Series in #csharp #WPF using #OxyPlot
===
Learn how to fill between two line series in C# WPF using OxyPlot. This tutorial will show you step-by-step how to achieve this graphical effect in your C# WPF project.
To fill the area between two line series in C# WPF using OxyPlot, you can achieve this by adding an AreaSeries to your plot model. Here's how you can do it:
```csharp
using OxyPlot;
using OxyPlot.Series;
// Create a PlotModel
var plotModel = new PlotModel { Title = "Fill Between Two Line Series" };
// Define data for the first line series
var lineSeries1 = new LineSeries
{
Title = "Line Series 1",
MarkerType = MarkerType.Circle,
MarkerSize = 4,
MarkerStroke = OxyColors.Blue,
MarkerFill = OxyColors.Transparent
};
lineSeries1.Points.Add(new DataPoint(0, 0));
lineSeries1.Points.Add(new DataPoint(1, 1));
lineSeries1.Points.Add(new DataPoint(2, 2));
// Define data for the second line series
var lineSeries2 = new LineSeries
{
Title = "Line Series 2",
MarkerType = MarkerType.Square,
MarkerSize = 4,
MarkerStroke = OxyColors.Red,
MarkerFill = OxyColors.Transparent
};
lineSeries2.Points.Add(new DataPoint(0, 1.5));
lineSeries2.Points.Add(new DataPoint(1, 0.5));
lineSeries2.Points.Add(new DataPoint(2, 2.5));
// Add the line series to the plot model
plotModel.Series.Add(lineSeries1);
plotModel.Series.Add(lineSeries2);
// Create an AreaSeries to fill between the two line series
var areaSeries = new AreaSeries
{
Title = "Fill Area",
Color = OxyColor.FromRgb(255, 0, 0), // Choose the color for the filled area
MarkerFill = OxyColors.Transparent
};
// Add points to the area series based on the points of the line series
for (int i = 0; i < lineSeries1.Points.Count; i++)
{
areaSeries.Points2.Add(lineSeries2.Points[i]);
areaSeries.Points1.Add(lineSeries1.Points[i]);
}
// Add the area series to the plot model
plotModel.Series.Add(areaSeries);
// Set the plot model as the DataContext of an OxyPlot.Wpf.Plot element in your XAML
YourOxyPlotControlName.DataContext = plotModel;
```
Replace `YourOxyPlotControlName` with the name of your OxyPlot WPF control in XAML. This code will create two line series and fill the area between them with a specified color. Adjust the line series data and area series properties as needed for your specific use case.
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