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- Quelle: https://github.com/oxyplot/oxyplot
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Source/Examples/ExampleLibrary/Series/ContourSeriesExamples.cs Normal file
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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="ContourSeriesExamples.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// --------------------------------------------------------------------------------------------------------------------
namespace ExampleLibrary
{
using System;
using System.Linq;
using OxyPlot;
using OxyPlot.Axes;
using OxyPlot.Series;
[Examples("ContourSeries"), Tags("Series")]
public class ContourSeriesExamples
{
private static Func<double, double, double> peaks = (x, y) =>
3 * (1 - x) * (1 - x) * Math.Exp(-(x * x) - (y + 1) * (y + 1))
- 10 * (x / 5 - x * x * x - y * y * y * y * y) * Math.Exp(-x * x - y * y)
- 1.0 / 3 * Math.Exp(-(x + 1) * (x + 1) - y * y);
private static Func<double, double, double> openContours = (x, y) =>
(x * x) / (y * y + 1)
+ (y * y) / (x * x + 1);
[Example("Peaks")]
public static PlotModel Peaks()
{
var model = new PlotModel { Title = "Peaks" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05)
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks LabelStep = 1, ContourLevelStep = PI/2")]
public static PlotModel PeaksLabelStep1LevelStepPI2()
{
var model = new PlotModel { Title = "Peaks LabelStep = 1, ContourLevelStep = PI/2" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
ContourLevelStep = Math.PI / 2,
LabelStep = 1
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks LabelStep = 2, ContourLevelStep = 0.5")]
public static PlotModel PeaksLabelStep2()
{
var model = new PlotModel { Title = "Peaks LabelStep = 2, ContourLevelStep = 0.5" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
ContourLevelStep = 0.5,
LabelStep = 2
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks LabelStep = 2, ContourLevelStep = 0.33")]
public static PlotModel PeaksLabelStep2LevelStep033()
{
var model = new PlotModel { Title = "Peaks LabelStep = 2, ContourLevelStep = 0.33" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
ContourLevelStep = 0.33,
LabelStep = 2
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks LabelStep = 3, ContourLevelStep = 1")]
public static PlotModel PeaksLabelStep3()
{
var model = new PlotModel { Title = "Peaks LabelStep = 3, ContourLevelStep = 1" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
LabelStep = 3
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks MultiLabel")]
public static PlotModel PeaksMultiLabel()
{
var model = new PlotModel { Title = "Peaks MultiLabel" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
MultiLabel = true
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks LabelSpacing = 400")]
public static PlotModel PeaksLabelSpacing400()
{
var model = new PlotModel { Title = "Peaks LabelSpacing = 400" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
MultiLabel = true,
LabelSpacing = 400
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks (different contour colors)")]
[DocumentationExample("Series/ContourSeries")]
public static PlotModel PeaksWithColors()
{
var model = new PlotModel { Title = "Peaks" };
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3.1, 3.1, 0.05),
ContourColors = new[] { OxyColors.SeaGreen, OxyColors.RoyalBlue, OxyColors.IndianRed }
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Peaks (wide array)")]
public static PlotModel WideArrayPeaks()
{
var model = new PlotModel { Title = "Peaks" };
model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Minimum = -3.16262, Maximum = 3.162 });
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-1, 1, 0.05)
};
cs.Data = ArrayBuilder.Evaluate(peaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Subtitle = cs.Data.GetLength(0) + "×" + cs.Data.GetLength(1);
model.Series.Add(cs);
return model;
}
[Example("Open Contours")]
public static PlotModel OpenContours()
{
var model = new PlotModel();
var cs = new ContourSeries
{
ColumnCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05),
RowCoordinates = ArrayBuilder.CreateVector(-3, 3, 0.05)
};
cs.Data = ArrayBuilder.Evaluate(openContours, cs.ColumnCoordinates, cs.RowCoordinates);
model.Series.Add(cs);
return model;
}
[Example("Logarithmic Peaks")]
public static PlotModel LogPeaks()
{
Func<double, double, double> logPeaks = (x, y) => peaks(Math.Log(x) / 10, Math.Log(y) / 10);
var model = new PlotModel();
var coordinates = ArrayBuilder.CreateVector(-3, 3, 0.05);
for (var i = 0; i < coordinates.Length; i++)
{
coordinates[i] = Math.Exp(coordinates[i] * 10);
}
var cs = new ContourSeries
{
ColumnCoordinates = coordinates,
RowCoordinates = coordinates
};
cs.Data = ArrayBuilder.Evaluate(logPeaks, cs.ColumnCoordinates, cs.RowCoordinates);
model.Series.Add(cs);
model.Axes.Add(new LogarithmicAxis { Position = AxisPosition.Bottom });
model.Axes.Add(new LogarithmicAxis { Position = AxisPosition.Left });
return model;
}
}
}