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