Neuerstellung

- Quelle: https://github.com/oxyplot/oxyplot
2023-09-02 09:24:59 +02:00
commit 9520c1fa4a
810 changed files with 117869 additions and 0 deletions
--- a/Source/Examples/ExampleLibrary/Showcases/ShowCases.cs
+++ b/Source/Examples/ExampleLibrary/Showcases/ShowCases.cs
@@ -0,0 +1,115 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="ShowCases.cs" company="OxyPlot">
+//   Copyright (c) 2014 OxyPlot contributors
+// </copyright>
+// <summary>
+//   Showcase models
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ExampleLibrary
+{
+    using System;
+
+    using OxyPlot;
+    using OxyPlot.Axes;
+    using OxyPlot.Series;
+
+    /// <summary>
+    /// Showcase models
+    /// </summary>
+    [Examples("1 ShowCases")]
+    [Tags("Showcase")]
+    public class ShowCases
+    {
+        [Example("Normal distribution")]
+        public static PlotModel CreateNormalDistributionModel()
+        {
+            // http://en.wikipedia.org/wiki/Normal_distribution
+
+            var plot = new PlotModel
+            {
+                Title = "Normal distribution",
+                Subtitle = "Probability density function"
+            };
+
+            plot.Axes.Add(new LinearAxis
+            {
+                Position = AxisPosition.Left,
+                Minimum = -0.05,
+                Maximum = 1.05,
+                MajorStep = 0.2,
+                MinorStep = 0.05,
+                TickStyle = TickStyle.Inside
+            });
+            plot.Axes.Add(new LinearAxis
+            {
+                Position = AxisPosition.Bottom,
+                Minimum = -5.25,
+                Maximum = 5.25,
+                MajorStep = 1,
+                MinorStep = 0.25,
+                TickStyle = TickStyle.Inside
+            });
+            plot.Series.Add(CreateNormalDistributionSeries(-5, 5, 0, 0.2));
+            plot.Series.Add(CreateNormalDistributionSeries(-5, 5, 0, 1));
+            plot.Series.Add(CreateNormalDistributionSeries(-5, 5, 0, 5));
+            plot.Series.Add(CreateNormalDistributionSeries(-5, 5, -2, 0.5));
+            return plot;
+        }
+
+        [Example("Average (Mean) monthly temperatures in 2003")]
+        public static PlotModel LineLegendPositionAtEnd()
+        {
+            // http://www.perceptualedge.com/example2.php
+            var model = new PlotModel { Title = "Average (Mean) monthly temperatures in 2003", PlotMargins = new OxyThickness(60, 4, 60, 40), PlotAreaBorderThickness = new OxyThickness(0), IsLegendVisible = false };
+
+            const string TrackerFormatString = "{0}: {4:0.0}ºF";
+            var phoenix = new LineSeries { Title = "Phoenix", LineLegendPosition = LineLegendPosition.End, TrackerFormatString = TrackerFormatString };
+            var raleigh = new LineSeries { Title = "Raleigh", LineLegendPosition = LineLegendPosition.End, TrackerFormatString = TrackerFormatString };
+            var minneapolis = new LineSeries { Title = "Minneapolis", LineLegendPosition = LineLegendPosition.End, TrackerFormatString = TrackerFormatString };
+
+            var phoenixTemps = new[] { 52.1, 55.1, 59.7, 67.7, 76.3, 84.6, 91.2, 89.1, 83.8, 72.2, 59.8, 52.5 };
+            var raleighTemps = new[] { 40.5, 42.2, 49.2, 59.5, 67.4, 74.4, 77.5, 76.5, 70.6, 60.2, 50.0, 41.2 };
+            var minneapolisTemps = new[] { 12.2, 16.5, 28.3, 45.1, 57.1, 66.9, 71.9, 70.2, 60.0, 50.0, 32.4, 18.6 };
+
+            for (int i = 0; i < 12; i++)
+            {
+                phoenix.Points.Add(new DataPoint(i, phoenixTemps[i]));
+                raleigh.Points.Add(new DataPoint(i, raleighTemps[i]));
+                minneapolis.Points.Add(new DataPoint(i, minneapolisTemps[i]));
+            }
+
+            model.Series.Add(phoenix);
+            model.Series.Add(raleigh);
+            model.Series.Add(minneapolis);
+
+            var categoryAxis = new CategoryAxis
+            {
+                AxislineStyle = LineStyle.Solid
+            };
+            categoryAxis.Labels.AddRange(new[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" });
+            model.Axes.Add(categoryAxis);
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Title = "Fahrenheit", AxislineStyle = LineStyle.Solid });
+
+            return model;
+        }
+
+        public static DataPointSeries CreateNormalDistributionSeries(double x0, double x1, double mean, double variance, int n = 1001)
+        {
+            var ls = new LineSeries
+            {
+                Title = string.Format("μ={0}, σ²={1}", mean, variance)
+            };
+
+            for (int i = 0; i < n; i++)
+            {
+                double x = x0 + ((x1 - x0) * i / (n - 1));
+                double f = 1.0 / Math.Sqrt(2 * Math.PI * variance) * Math.Exp(-(x - mean) * (x - mean) / 2 / variance);
+                ls.Points.Add(new DataPoint(x, f));
+            }
+
+            return ls;
+        }
+    }
+}