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/Series/FinancialSeries/VolumeSeriesExamples.cs
+++ b/Source/Examples/ExampleLibrary/Series/FinancialSeries/VolumeSeriesExamples.cs
@@ -0,0 +1,132 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="VolumeSeriesExamples.cs" company="OxyPlot">
+//   Copyright (c) 2014 OxyPlot contributors
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ExampleLibrary
+{
+    using OxyPlot;
+    using OxyPlot.Axes;
+    using OxyPlot.Series;
+
+    [Examples("VolumeSeries")]
+    [Tags("Series")]
+    public static class VolumeSeriesExamples
+    {
+        [Example("Just Volume (combined), fixed axis")]
+        public static Example JustVolumeCombined_Fixed()
+        {
+            return CreateVolumeSeries("Just Volume (combined)", VolumeStyle.Combined, natural: false);
+        }
+
+        [Example("Just Volume (combined), natural axis")]
+        public static Example JustVolumeCombined_Natural()
+        {
+            return CreateVolumeSeries("Just Volume (combined)", VolumeStyle.Combined, natural: true);
+        }
+
+        [Example("Just Volume (stacked), fixed axis")]
+        public static Example JustVolumeStacked_Fixed()
+        {
+            return CreateVolumeSeries("Just Volume (stacked)", VolumeStyle.Stacked, natural: false);
+        }
+
+        [Example("Just Volume (stacked), natural axis")]
+        public static Example JustVolumeStacked_Natural()
+        {
+            return CreateVolumeSeries("Just Volume (stacked)", VolumeStyle.Stacked, natural: true);
+        }
+
+        [Example("Just Volume (+/-), fixed axis")]
+        public static Example JustVolumePositiveNegative_Fixed()
+        {
+            return CreateVolumeSeries("Just Volume (+/-)", VolumeStyle.PositiveNegative, natural: false);
+        }
+
+        [Example("Just Volume (+/-), natural axis")]
+        public static Example JustVolumePositiveNegative_Natural()
+        {
+            return CreateVolumeSeries("Just Volume (+/-)", VolumeStyle.PositiveNegative, natural: true);
+        }
+
+        /// <summary>
+        /// Creates the volume series.
+        /// </summary>
+        /// <returns>The volume series.</returns>
+        /// <param name="title">Title.</param>
+        /// <param name="style">Style.</param>
+        /// <param name="n">N.</param>
+        /// <param name="natural">If set to <c>true</c> natural.</param>
+        /// <param name="transposed">If set to <c>true</c> transposed.</param>
+        private static Example CreateVolumeSeries(
+            string title, 
+            VolumeStyle style, 
+            int n = 10000,
+            bool natural = false)
+        {
+            var pm = new PlotModel { Title = title };
+
+            var series = new VolumeSeries
+            {
+                PositiveColor = OxyColors.DarkGreen,
+                NegativeColor = OxyColors.Red,
+                PositiveHollow = false,
+                NegativeHollow = false,
+                VolumeStyle = style,
+                Title = "VolumeSeries",
+            };
+
+            // create bars
+            foreach (var bar in OhlcvItemGenerator.MRProcess(n))
+            {
+                series.Append(bar);
+            }
+
+            // create visible window
+            var Istart = n - 200;
+            var Iend = n - 120;
+            var Xmin = series.Items[Istart].X;
+            var Xmax = series.Items[Iend].X;
+
+            // setup axes
+            var timeAxis = new DateTimeAxis
+            {
+                Position = AxisPosition.Bottom,
+                Minimum = Xmin,
+                Maximum = Xmax
+            };
+
+            var volAxis = new LinearAxis
+            {
+                Position = AxisPosition.Left,
+                StartPosition = 0.0,
+                EndPosition = 1.0,
+                Minimum = natural ? double.NaN : 0,
+                Maximum = natural ? double.NaN : 10000
+            };
+
+            switch (style)
+            {
+                case VolumeStyle.Combined:
+                case VolumeStyle.Stacked:
+                    pm.Axes.Add(timeAxis);
+                    pm.Axes.Add(volAxis);
+                    break;
+
+                case VolumeStyle.PositiveNegative:
+                    volAxis.Minimum = natural ? double.NaN : -10000;
+                    pm.Axes.Add(timeAxis);
+                    pm.Axes.Add(volAxis);
+                    break;
+            }
+
+            pm.Series.Add(series);
+
+            var controller = new PlotController();
+            controller.UnbindAll();
+            controller.BindMouseDown(OxyMouseButton.Left, PlotCommands.PanAt);
+            return new Example(pm, controller);
+        }
+    }
+}