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add oxyplot

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This commit is contained in:
Holger Börchers 2022-01-08 21:56:39 +01:00
parent c317ab897f
commit f7e2b59454
5 changed files with 69 additions and 39 deletions
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9
KMeansBase/KMeans.cs
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@ -4,7 +4,8 @@ public static class KMeans
{
private const int MaxLoops = 30;
public static void KMeansCalculation(IReadOnlyCollection<Point> points, int k, out IReadOnlyCollection<Point> centroids)
public static void KMeansCalculation(IReadOnlyCollection<Point> points, int k,
out IReadOnlyCollection<Point> centroids)
{
centroids = InitializeRandomCentroids(points, k).ToArray();
@ -64,10 +65,8 @@ public static class KMeans
private static IEnumerable<Point> InitializeRandomCentroids(IReadOnlyCollection<Point> points, int k)
{
var minX = points.Min(p => p.X);
var maxX = points.Max(p => p.X);
var minY = points.Min(p => p.Y);
var maxY = points.Max(p => p.Y);
var (minX, maxX) = (points.Min(p => p.X), points.Max(p => p.X));
var (minY, maxY) = (points.Min(p => p.Y), points.Max(p => p.Y));
var rnd = new Random();
for (var i = 0; i < k; i++)

3
KMeansGui/App.axaml
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@ -3,5 +3,8 @@
x:Class="KMeansGui.App">
<Application.Styles>
<FluentTheme Mode="Light"/>
<!-- Add the line below to get OxyPlot UI theme applied. -->
<StyleInclude Source="resm:OxyPlot.Avalonia.Themes.Default.xaml?assembly=OxyPlot.Avalonia"/>
</Application.Styles>
</Application>

6
KMeansGui/KMeansGui.csproj
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@ -1,7 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net5.0</TargetFramework>
<TargetFramework>net6.0</TargetFramework>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
@ -13,6 +13,7 @@
<!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.11" />
<PackageReference Include="MvvmGen" Version="1.1.2" />
<PackageReference Include="OxyPlot.Avalonia" Version="2.1.0-Preview1" />
</ItemGroup>
<ItemGroup>
<Folder Include="Shell\" />
@ -22,4 +23,7 @@
<DependentUpon>ShellView.axaml</DependentUpon>
</Compile>
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\KMeansBase\KMeansBase.csproj" />
</ItemGroup>
</Project>

21
KMeansGui/Shell/ShellView.axaml
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@ -2,14 +2,29 @@
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:kMeansGui="clr-namespace:KMeansGui" x:Name="LayoutRoot"
xmlns:kMeansGui="clr-namespace:KMeansGui"
xmlns:avalonia="http://oxyplot.org/avalonia"
x:Name="LayoutRoot"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="KMeansGui.ShellView"
Title="KMeansGui">
<Window.DataContext>
<kMeansGui:ShellViewModel />
</Window.DataContext>
<Grid RowDefinitions="*,*" ColumnDefinitions="*,*">
<Button Command="{Binding OpenCsvFileAsync}" CommandParameter="{Binding ElementName=LayoutRoot}" >Load CSV file</Button>
<Grid ColumnDefinitions="*,*">
<StackPanel Grid.Row="0" Grid.Column="0" Spacing="10">
<Button HorizontalAlignment="Stretch" Command="{Binding OpenCsvFileAsync}"
CommandParameter="{Binding ElementName=LayoutRoot}">
Load CSV file
</Button>
<TextBox UseFloatingWatermark="True" Watermark="Hello" Text="{Binding CountOfCentroids}"></TextBox>
</StackPanel>
<avalonia:Plot Height="150" Grid.Column="1"
PlotMargins="50 0 0 0"
PlotAreaBorderColor="#999999">
<avalonia:Plot.Series>
<avalonia:ScatterSeries Items="{Binding Points}" />
</avalonia:Plot.Series>
</avalonia:Plot>
</Grid>
</Window>

13
KMeansGui/Shell/ShellViewModel.cs
View File

@ -1,4 +1,5 @@
using System.Threading.Tasks;
using System.Collections.Generic;
using System.Threading.Tasks;
using Avalonia.Controls;
using MvvmGen;
@ -7,13 +8,21 @@ namespace KMeansGui
[ViewModel]
public partial class ShellViewModel
{
[Property] private int _countOfCentroids;
[Property] private List<KMeansBase.Point> _points;
public async Task OpenCsvFileAsync(object parent)
{
if (parent is Window window)
{
var fileDialogFilter = new FileDialogFilter();
fileDialogFilter.Extensions.Add("csv");
fileDialogFilter.Name = "comma separated file";
var fileDialog = new OpenFileDialog();
fileDialog.AllowMultiple = false;
fileDialog.Filters.Add(fileDialogFilter);
fileDialog.Title = "Select a csv file.";
var result = await fileDialog.ShowAsync(window);
}
}