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- Quelle: https://github.com/oxyplot/oxyplot
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maier_st
2023-09-02 09:24:59 +02:00
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Source/Examples/ExampleLibrary/Annotations/PolylineAnnotationExamples.cs Normal file
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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="PolylineAnnotationExamples.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// --------------------------------------------------------------------------------------------------------------------
namespace ExampleLibrary
{
using OxyPlot;
using OxyPlot.Annotations;
using OxyPlot.Axes;
[Examples("PolylineAnnotation"), Tags("Annotations")]
public static class PolylineAnnotationExamples
{
[Example("PolylineAnnotation")]
public static PlotModel PolylineAnnotations()
{
var model = new PlotModel { Title = "PolylineAnnotation" };
model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom, Minimum = 0, Maximum = 30 });
model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Minimum = 0, Maximum = 30 });
var a1 = new PolylineAnnotation { Text = "Polyline" };
a1.Points.AddRange(new[] { new DataPoint(0, 10), new DataPoint(5, 5), new DataPoint(20, 1), new DataPoint(30, 20) });
var a2 = new PolylineAnnotation
{
InterpolationAlgorithm = InterpolationAlgorithms.CanonicalSpline,
Text = "Smooth Polyline"
};
a2.Points.AddRange(new[] { new DataPoint(0, 15), new DataPoint(3, 23), new DataPoint(9, 30), new DataPoint(20, 12), new DataPoint(30, 10) });
model.Annotations.Add(a1);
model.Annotations.Add(a2);
return model;
}
[Example("Koch Surfaces")]
public static PlotModel KochSurface()
{
DataPoint[] plane(DataPoint centre)
{
return new[]
{
new DataPoint(centre.X - 1, centre.Y),
new DataPoint(centre.X + 1, centre.Y),
};
}
var model = new PlotModel { Title = "PolygonAnnotation", PlotType = PlotType.Cartesian };
model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom, Minimum = -2, Maximum = 2 });
model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Minimum = -2, Maximum = 2 });
var a1 = new PolylineAnnotation { Text = "MSL = 4", MinimumSegmentLength = 4, LineStyle = LineStyle.Solid, TextPosition = new DataPoint(0, 1) };
a1.Points.AddRange(PolygonAnnotationExamples.KochFractal(plane(new DataPoint(0, 1)), 8, true, false));
model.Annotations.Add(a1);
var a2 = new PolylineAnnotation { Text = "MSL = 2", MinimumSegmentLength = 2, LineStyle = LineStyle.Solid, TextPosition = new DataPoint(0, 0) };
a2.Points.AddRange(PolygonAnnotationExamples.KochFractal(plane(new DataPoint(0, 0)), 8, true, false));
model.Annotations.Add(a2);
var a3 = new PolylineAnnotation { Text = "MSL = 1", MinimumSegmentLength = 1, LineStyle = LineStyle.Solid, TextPosition = new DataPoint(0, -1) };
a3.Points.AddRange(PolygonAnnotationExamples.KochFractal(plane(new DataPoint(0, -1)), 8, true, false));
model.Annotations.Add(a3);
return model;
}
}
}