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Curt Mullin
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Adding Png Exporter and examples for use .net standard 2.0 applications
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‎CHANGELOG.md‎

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All notable changes to this project will be documented in this file.
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## [Unreleased]
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### Added
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- added .NET Core port of PngExporter
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### Added
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- New PolarPlot filling the full plot area (#1056)
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‎CONTRIBUTORS‎

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Choden Konigsmark <choden.konigsmark@gmail.com>
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classicboss302
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csabar <rumancsabi@gmail.com>
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Curt Mullin <curt.mullin@gmail.com>
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Cyril Martin <cyril.martin.cm@gmail.com>
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Dan Aizenstros
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darrelbrown

‎README.md‎

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OxyPlot is a cross-platform plotting library for .NET
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- [Web page](http://oxyplot.org)
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- [Documentation](http://docs.oxyplot.org/)
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- [Announcements](http://oxyplot.org/announcements) / [atom](http://oxyplot.org/atom.xml)
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- [Discussion forum](http://discussion.oxyplot.org)
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- [Source repository](http://github.com/oxyplot/oxyplot)
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- [Issue tracker](http://github.com/oxyplot/oxyplot/issues)
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- [NuGet packages](http://www.nuget.org/packages?q=oxyplot)
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- [Stack Overflow](http://stackoverflow.com/questions/tagged/oxyplot)
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- [Twitter](https://twitter.com/hashtag/oxyplot)
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- [Gitter](https://gitter.im/oxyplot/oxyplot) (chat)
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![License](https://img.shields.io/badge/license-MIT-red.svg)
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[![Build status](https://img.shields.io/appveyor/ci/objorke/oxyplot/develop.svg)](https://ci.appveyor.com/project/objorke/oxyplot)
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- [Web page](http://oxyplot.org)\
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- [Documentation](http://docs.oxyplot.org/)
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- [Announcements](http://oxyplot.org/announcements) / [atom](http://oxyplot.org/atom.xml)
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- [Discussion forum](http://discussion.oxyplot.org)
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- [Source repository](http://github.com/oxyplot/oxyplot)
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- [Issue tracker](http://github.com/oxyplot/oxyplot/issues)
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- [NuGet packages](http://www.nuget.org/packages?q=oxyplot)
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- [Stack Overflow](http://stackoverflow.com/questions/tagged/oxyplot)
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- [Twitter](https://twitter.com/hashtag/oxyplot)
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- [Gitter](https://gitter.im/oxyplot/oxyplot) (chat)
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![License](https://img.shields.io/badge/license-MIT-red.svg) [![Build status](https://img.shields.io/appveyor/ci/objorke/oxyplot/develop.svg)](https://ci.appveyor.com/project/objorke/oxyplot)
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![Plot](http://oxyplot.org/public/images/normal-distributions.png)
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#### Getting started
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1. Use the NuGet package manager to add a reference to OxyPlot (see details below if you want to use pre-release packages)
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2. Add a `PlotView` to your user interface
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3. Create a `PlotModel` in your code
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4. Bind the `PlotModel` to the `Model` property of your `PlotView`
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1. Use the NuGet package manager to add a reference to OxyPlot (see details below if you want to use pre-release packages)
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2. Add a `PlotView` to your user interface
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3. Create a `PlotModel` in your code
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4. Bind the `PlotModel` to the `Model` property of your `PlotView`
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#### Examples
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You can find examples in the `/Source/Examples` folder in the code repository.
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#### NuGet packages
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The latest pre-release packages are pushed by AppVeyor CI to [myget.org](https://www.myget.org/)
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To install these packages, set the myget.org package source `https://www.myget.org/F/oxyplot` and remember the "-pre" flag.
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The stable release packages will be pushed to [nuget.org](https://www.nuget.org/packages?q=oxyplot).
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Note that we have currently have a lot of old (v2015.*) and pre-release packages on this feed, this will be cleaned up as soon as we release [v1.0](https://github.com/oxyplot/oxyplot/milestones/v1.0).
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Package | Targets | Dependencies
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--------|---------|-------------
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OxyPlot.Core | .NET Standard 1.0 |
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OxyPlot.Wpf | .NET 4.5.2 |
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OxyPlot.WindowsForms | .NET 4.5.2 |
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OxyPlot.Windows | Universal Windows 10.0 |
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OxyPlot.GtkSharp | .NET 4.5.2 | GTK# 2
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OxyPlot.GtkSharp3 | .NET 4.5.2 | GTK# 3
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OxyPlot.Xamarin.Android | MonoAndroid |
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OxyPlot.Xamarin.iOS | MonoTouch and iOS10 |
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OxyPlot.Xamarin.Mac | Mac20 |
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OxyPlot.Xamarin.Forms | MonoTouch, iOS10, MonoAndroid, WP8 |
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OxyPlot.Xwt | .NET 4.5.2 |
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OxyPlot.SharpDX.Wpf | .NET 4.5.2 |
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OxyPlot.Avalonia | .NET 4.5.2 |
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OxyPlot.OpenXML | .NET 4.5.2 |
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OxyPlot.Pdf | .NET 4.5.2 | PdfSharp
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OxyPlot.Contrib | .NET Standard 1.0 |
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OxyPlot.ExampleLibrary | .NET Standard 1.0 |
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The latest pre-release packages are pushed by AppVeyor CI to [myget.org](https://www.myget.org/) To install these packages, set the myget.org package source `https://www.myget.org/F/oxyplot` and remember the "-pre" flag.
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The stable release packages will be pushed to [nuget.org](https://www.nuget.org/packages?q=oxyplot). Note that we have currently have a lot of old (v2015.\*) and pre-release packages on this feed, this will be cleaned up as soon as we release [v1.0](https://github.com/oxyplot/oxyplot/milestones/v1.0).
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| Package | Targets | Dependencies |
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|-------------------------|------------------------------------|--------------|
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| OxyPlot.Core | .NET Standard 1.0 | |
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| OxyPlot.Core.Drawing | .NET Standard 2.0 | |
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| OxyPlot.Wpf | .NET 4.5.2 | |
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| OxyPlot.WindowsForms | .NET 4.5.2 | |
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| OxyPlot.Windows | Universal Windows 10.0 | |
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| OxyPlot.GtkSharp | .NET 4.5.2 | GTK\# 2 |
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| OxyPlot.GtkSharp3 | .NET 4.5.2 | GTK\# 3 |
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| OxyPlot.Xamarin.Android | MonoAndroid | |
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| OxyPlot.Xamarin.iOS | MonoTouch and iOS10 | |
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| OxyPlot.Xamarin.Mac | Mac20 | |
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| OxyPlot.Xamarin.Forms | MonoTouch, iOS10, MonoAndroid, WP8 | |
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| OxyPlot.Xwt | .NET 4.5.2 | |
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| OxyPlot.SharpDX.Wpf | .NET 4.5.2 | |
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| OxyPlot.Avalonia | .NET 4.5.2 | |
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| OxyPlot.OpenXML | .NET 4.5.2 | |
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| OxyPlot.Pdf | .NET 4.5.2 | PdfSharp |
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| OxyPlot.Contrib | .NET Standard 1.0 | |
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| OxyPlot.ExampleLibrary | .NET Standard 1.0 | |
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#### Contribute
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‎Source/Examples/Core.drawing/Core.Drawing.Example.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>netstandard2.0</TargetFramework>
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<StartupObject>OxyPlot.DotNetCore.Drawing.Example.Program</StartupObject>
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<AssemblyName>OxyPlot.DotNetCore.Drawing.Example</AssemblyName>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="OxyPlot.Core" Version="2.0.0-unstable1059" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\OxyPlot.Core.Drawing\OxyPlot.Core.Drawing.csproj" />
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</ItemGroup>
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</Project>

‎Source/Examples/Core.drawing/Program.cs‎

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using System;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using OxyPlot;
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using OxyPlot.Axes;
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using OxyPlot.Core.Drawing;
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using OxyPlot.Series;
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namespace Core.Drawing.Example
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{
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class Program
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{
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static void Main(string[] args)
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{
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try
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{
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var outputUsingMemStream = "test-oxyplot-memstream.png";
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var outputToFile = "test-oxyplot-file.png";
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var outputExportFileStream = "test-oxyplot-stream-export.png";
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var outputExportFileOOP = "test-oxyplot-ExportToFile.png";
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var width = 1024;
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var height = 768;
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var model = BuildPlotModel();
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PngExporter.Export(model, outputToFile, width, height, Brushes.White);
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using(var stream = new MemoryStream())
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{
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PngExporter.Export(model, stream, width, height, OxyColors.White, 96);
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System.IO.File.WriteAllBytes(outputUsingMemStream, stream.ToArray());
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}
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using (var pngStream = PngExporter.ExportToStream(model, width, height, OxyColors.White))
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{
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var fileStream = new System.IO.FileStream(outputExportFileStream, FileMode.Create);
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pngStream.CopyTo(fileStream);
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fileStream.Flush();
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}
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var stream2 = new MemoryStream();
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var pngExporter = new PngExporter { Width = width, Height = height, Background = OxyColors.White };
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pngExporter.Export(model, stream2);
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// Write to a file, OOP
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var pngExporter2 = new PngExporter { Width = width, Height = height, Background = OxyColors.White };
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pngExporter2.ExportToFile(model, outputExportFileOOP);
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}
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catch(Exception ex)
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{
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}
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}
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private static IPlotModel BuildPlotModel()
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{
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var rand = new Random();
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var model = new PlotModel {Title = "Cake Type Popularity"};
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var cakePopularity = Enumerable.Range(1,5).Select(i => rand.NextDouble()).ToArray();
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var sum = cakePopularity.Sum();
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var barSeries = new BarSeries
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{
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ItemsSource = cakePopularity.Select(cp => RandomBarItem(cp, sum)),
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LabelPlacement = LabelPlacement.Base,
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LabelFormatString = "{0:.00}%"
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};
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model.Series.Add(barSeries);
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model.Axes.Add(new CategoryAxis
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{
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Position = AxisPosition.Left,
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Key = "CakeAxis",
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ItemsSource = new[]
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{
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"Apple cake",
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"Baumkuchen",
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"Bundt Cake",
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"Chocolate cake",
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"Carrot cake"
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}
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});
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return model;
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}
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private static BarItem RandomBarItem(double cp, double sum)
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=> new BarItem {Value = cp / sum * 100, Color = RandomColor()};
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private static OxyColor RandomColor()
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{
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var r = new Random();
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return OxyColor.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255));
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}
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}
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}

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