Added SampleApps/ProjectionDemo

SampleApps/ProjectionDemo/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="ProjectionDemo.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:ProjectionDemo"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

SampleApps/ProjectionDemo/App.xaml.cs

@@ -0,0 +1,8 @@
+using System.Windows;
+
+namespace ProjectionDemo
+{
+    public partial class App : Application
+    {
+    }
+}

SampleApps/ProjectionDemo/MainWindow.xaml

@@ -0,0 +1,34 @@
+<Window x:Class="ProjectionDemo.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:map="clr-namespace:MapControl;assembly=MapControl.WPF"
+        Title="XAML MapControl - Projection Demo" Height="600" Width="800"
+        Loaded="Window_Loaded">
+    <DockPanel>
+        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
+            <ComboBox Margin="2"
+                      ItemsSource="{Binding Projections}"
+                      SelectedItem="{Binding CurrentProjection}"
+                      DisplayMemberPath="CrsId"/>
+            <ComboBox Margin="2"
+                      ItemsSource="{Binding Layers}"
+                      SelectedValue="{Binding CurrentLayer}"
+                      SelectedValuePath="Value"
+                      DisplayMemberPath="Key"/>
+        </StackPanel>
+
+        <map:Map MaxZoomLevel="22" ZoomLevel="8" Center="50,8" MapLayer="{Binding CurrentLayer}"
+                 MouseRightButtonUp="Map_MouseRightButtonUp">
+            <map:MapBase.MapProjection>
+                <Binding Path="CurrentProjection">
+                    <Binding.FallbackValue>
+                        <map:WebMercatorProjection/>
+                    </Binding.FallbackValue>
+                </Binding>
+            </map:MapBase.MapProjection>
+
+            <map:Pushpin map:MapPanel.Location="{Binding PushpinLocation}"
+                         Content="{Binding PushpinText}"/>
+        </map:Map>
+    </DockPanel>
+</Window>

SampleApps/ProjectionDemo/MainWindow.xaml.cs

@@ -0,0 +1,156 @@
+using MapControl;
+using MapControl.Projections;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+
+namespace ProjectionDemo
+{
+    public partial class MainWindow : Window
+    {
+        private readonly HttpClient httpClient = new HttpClient();
+        private readonly ViewModel viewModel = new ViewModel();
+
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private async Task<string> GetWktAsync(int epsgCode)
+        {
+            var wkt = await httpClient.GetStringAsync(string.Format("https://epsg.io/{0}.wkt", epsgCode));
+
+            if (!wkt.Contains("PARAMETER[\"latitude_of_origin\",") &&
+                !wkt.Contains("PARAMETER[\"latitude_of_center\","))
+            {
+                wkt = wkt.Replace(
+                    "PARAMETER[\"central_meridian\",",
+                    "PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",");
+            }
+
+            return wkt;
+        }
+
+        private async void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            viewModel.Projections.Add(new MapControl.Projections.WebMercatorProjection());
+
+            viewModel.Projections.Add(new GeoApiProjection
+            {
+                WKT = await httpClient.GetStringAsync("https://epsg.io/25832.wkt") // ETRS89 / UTM zone 32N
+            });
+
+            viewModel.Layers.Add(
+                "OpenStreetMap WMS",
+                new WmsImageLayer
+                {
+                    ServiceUri = new Uri("http://ows.terrestris.de/osm/service"),
+                    Layers = "OSM-WMS"
+                });
+
+            viewModel.Layers.Add(
+                "TopPlusOpen WMS",
+                new WmsImageLayer
+                {
+                    ServiceUri = new Uri("https://sgx.geodatenzentrum.de/wms_topplus_open"),
+                    Layers = "web"
+                });
+
+            viewModel.Layers.Add(
+                "Orthophotos Wiesbaden",
+                new WmsImageLayer
+                {
+                    ServiceUri = new Uri("https://geoportal.wiesbaden.de/cgi-bin/mapserv.fcgi?map=d:/openwimap/umn/map/orthophoto/orthophotos.map"),
+                    Layers = "orthophoto2017"
+                });
+
+            viewModel.CurrentProjection = viewModel.Projections[0];
+            viewModel.CurrentLayer = viewModel.Layers.First().Value;
+
+            DataContext = viewModel;
+        }
+
+        private void Map_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            viewModel.PushpinLocation = viewModel.CurrentProjection.ViewportPointToLocation(e.GetPosition((IInputElement)sender));
+        }
+    }
+
+    public class ViewModel : INotifyPropertyChanged
+    {
+        private MapProjection currentProjection;
+        private IMapLayer currentLayer;
+        private Location pushpinLocation = new Location();
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public List<MapProjection> Projections { get; } = new List<MapProjection>();
+
+        public Dictionary<string, IMapLayer> Layers { get; } = new Dictionary<string, IMapLayer>();
+
+        public MapProjection CurrentProjection
+        {
+            get => currentProjection;
+            set
+            {
+                currentProjection = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(CurrentProjection)));
+            }
+        }
+
+        public IMapLayer CurrentLayer
+        {
+            get => currentLayer;
+            set
+            {
+                currentLayer = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(CurrentLayer)));
+            }
+        }
+
+        public Location PushpinLocation
+        {
+            get => pushpinLocation;
+            set
+            {
+                pushpinLocation = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(PushpinLocation)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(PushpinText)));
+            }
+        }
+
+        public string PushpinText
+        {
+            get
+            {
+                var latitude = (int)Math.Round(PushpinLocation.Latitude * 3600);
+                var longitude = (int)Math.Round(Location.NormalizeLongitude(PushpinLocation.Longitude) * 3600);
+                var latHemisphere = 'N';
+                var lonHemisphere = 'E';
+
+                if (latitude < 0)
+                {
+                    latitude = -latitude;
+                    latHemisphere = 'S';
+                }
+
+                if (longitude < 0)
+                {
+                    longitude = -longitude;
+                    lonHemisphere = 'W';
+                }
+
+                return string.Format(CultureInfo.InvariantCulture,
+                    "{0}  {1:00} {2:00} {3:00}\n{4} {5:000} {6:00} {7:00}",
+                    latHemisphere, latitude / 3600, (latitude / 60) % 60, latitude % 60,
+                    lonHemisphere, longitude / 3600, (longitude / 60) % 60, longitude % 60);
+            }
+        }
+    }
+}

SampleApps/ProjectionDemo/ProjectionDemo.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWPF>true</UseWPF>
+    <Version>4.17.0</Version>
+    <Authors>Clemens Fischer</Authors>
+    <Description>XAML Map Control Map Projection Demo Application</Description>
+    <Product>XAML Map Control</Product>
+    <Copyright>Copyright © 2020 Clemens Fischer</Copyright>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\MapControl\WPF\MapControl.WPF.csproj" />
+    <ProjectReference Include="..\..\MapProjections\WPF\MapProjections.WPF.csproj" />
+  </ItemGroup>
+
+</Project>

SampleApps/ProjectionDemo/ProjectionDemo.csproj.user

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+  <ItemGroup>
+    <ApplicationDefinition Update="App.xaml">
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+  </ItemGroup>
+  <ItemGroup>
+    <Page Update="MainWindow.xaml">
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
+</Project>