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Sean
2025-06-19 17:03:05 -04:00
parent 89584b278a
commit a5b2369034
2 changed files with 157 additions and 13 deletions
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16
PortfolioManager/DataSeriesViewModels/CompositeDataSource.cs
View File

@@ -1,3 +1,4 @@
using System;
using CommunityToolkit.Mvvm.ComponentModel;
using Eremex.AvaloniaUI.Charts;
@@ -6,5 +7,20 @@ namespace PortfolioManager.DataSeriesViewModels
public partial class CompositeDataSource : ObservableObject
{
[ObservableProperty] ISeriesDataAdapter dataAdapter;
public (DateTime[],double[]) ToXYData()
{
double[] values = default;
DateTime[] dates = default;
if (null == DataAdapter) return (dates, values);
values = new double[DataAdapter.ItemCount];
dates = new DateTime[DataAdapter.ItemCount];
for (int index = 0; index < DataAdapter.ItemCount; index++)
{
values[index] = DataAdapter.GetNumericalValue(index, SeriesDataMemberType.Value);
dates[index] = DataAdapter.GetDateTimeValue(index, SeriesDataMemberType.Value1);
}
return (dates, values);
}
}
}

154
PortfolioManager/ViewModels/ScottPlotViewModel.cs
View File

@@ -1,6 +1,10 @@
using System;
using Eremex.AvaloniaUI.Charts;
using MarketData.DataAccess;
using MarketData.Generator;
using MarketData.MarketDataModel;
using PortfolioManager.DataSeriesViewModels;
using PortfolioManager.Models;
using ScottPlot.Avalonia;
using ScottPlot.Plottables;
using ShimSkiaSharp;
@@ -8,6 +12,119 @@ using SkiaSharp;
namespace PortfolioManager.ViewModels
{
public class BollingerBandCompositeDataSourceGenerater
{
public BollingerBandCompositeDataSourceGenerater()
{
}
public void GenerateCompositeDataSources(AvaPlot plotter, BollingerBands bollingerBands)
{
K = BollingerBandModel.K(bollingerBands);
KL1 = BollingerBandModel.KL1(bollingerBands);
L = BollingerBandModel.L(bollingerBands);
LP1 = BollingerBandModel.LP1(bollingerBands);
High = BollingerBandModel.High(bollingerBands);
Low = BollingerBandModel.Low(bollingerBands);
Close = BollingerBandModel.Close(bollingerBands);
SMAN = BollingerBandModel.SMAN(bollingerBands);
Volume = BollingerBandModel.Volume(bollingerBands);
LeastSquares = BollingerBandModel.LeastSquares(bollingerBands);
Scatter scatter = default;
{
(DateTime[] dates, double[] values) = K.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Green));
scatter.LegendText = "K";
scatter.LineWidth = 2;
}
{
(DateTime[] dates, double[] values) = KL1.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Green));
scatter.LegendText = "KL1";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = L.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Green));
scatter.LegendText = "L";
scatter.LineWidth = 2;
}
{
(DateTime[] dates, double[] values) = LP1.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Green));
scatter.LegendText = "LP1";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = High.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Blue));
scatter.LegendText = "High";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = Low.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Red));
scatter.LegendText = "Low";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = Close.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Black));
scatter.LegendText = "Close";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = LeastSquares.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Orange));
scatter.LegendText = "LeastSquares";
scatter.LineWidth = 1;
}
{
(DateTime[] dates, double[] values) = SMAN.ToXYData();
scatter = plotter.Plot.Add.ScatterLine(dates, values, ScottPlot.Color.FromSKColor(SKColors.Purple));
scatter.LegendText = "SMAN";
scatter.LineWidth = 1;
}
}
public CompositeDataSource K { get; private set; } = Empty();
public CompositeDataSource KL1 { get; private set; } = Empty();
public CompositeDataSource L { get; private set; } = Empty();
public CompositeDataSource LP1 { get; private set; } = Empty();
public CompositeDataSource High { get; private set; } = Empty();
public CompositeDataSource Low { get; private set; } = Empty();
public CompositeDataSource Close { get; private set; } = Empty();
public CompositeDataSource SMAN { get; private set; } = Empty();
public CompositeDataSource Volume { get; private set; } = Empty();
public CompositeDataSource LeastSquares { get; private set; } = Empty();
private static CompositeDataSource Empty()
{
return new CompositeDataSource()
{
DataAdapter = new SortedDateTimeDataAdapter()
};
}
}
@@ -21,26 +138,37 @@ namespace PortfolioManager.ViewModels
public void PlotterLoadedEvent(object sender, PlotterLoadedEventArgs e)
{
plotter = e.AvaPlot; // we should store this somewhere
Prices prices = PricingDA.GetPrices("SPY", 180);
DateTime[] dates = new DateTime[prices.Count];
double[] closes = new double[prices.Count];
BollingerBands bollingerBands = BollingerBandGenerator.GenerateBollingerBands(prices);
for (int index = 0; index < prices.Count; index++)
{
dates[index] = prices[index].Date;
closes[index] = prices[index].Close;
}
BollingerBandCompositeDataSourceGenerater bollingerBandCompositeDataSourceGenerater = new BollingerBandCompositeDataSourceGenerater();
bollingerBandCompositeDataSourceGenerater.GenerateCompositeDataSources(plotter, bollingerBands);
plotter.Plot.Axes.AutoScale();
plotter.Refresh();
plotter = e.AvaPlot;
// DateTime[] dates = new DateTime[prices.Count];
// double[] closes = new double[prices.Count];
// for (int index = 0; index < prices.Count; index++)
// {
// dates[index] = prices[index].Date;
// closes[index] = prices[index].Close;
// }
// plotter = e.AvaPlot;
// double[] dataX = { 1, 2, 3, 4, 5 };
// double[] dataY = { 1, 4, 9, 16, 25 };
// plotter.Plot.Add.Scatter(dataX, dataY);
Scatter closeScatter = plotter.Plot.Add.ScatterLine(dates, closes, ScottPlot.Color.FromSKColor(SKColors.Red));
closeScatter.LegendText = "Close";
closeScatter.LineWidth = 3;
plotter.Plot.Axes.AutoScale();
plotter.Refresh();
// Scatter closeScatter = plotter.Plot.Add.ScatterLine(dates, closes, ScottPlot.Color.FromSKColor(SKColors.Red));
// closeScatter.LegendText = "Close";
// closeScatter.LineWidth = 2;
// plotter.Plot.Axes.AutoScale();
// plotter.Refresh();
}
// ********************************************** P E R S I S T E N C E *************************
public override bool CanPersist()