Extend map projections

MapControl/Shared/Etrs89UtmProjection.cs

@@ -0,0 +1,40 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2022 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl
+{
+    /// <summary>
+    /// ETRS89 UTM Projection with zone number.
+    /// </summary>
+    public class Etrs89UtmProjection : TransverseMercatorProjection
+    {
+        public const int FirstZone = 28;
+        public const int LastZone = 38;
+        public const int FirstZoneEpsgCode = 25800 + FirstZone;
+        public const int LastZoneEpsgCode = 25800 + LastZone;
+
+        public int Zone { get; }
+
+        public Etrs89UtmProjection(int zone)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid ETRS89 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            CrsId = $"EPSG:{Zone - FirstZone + FirstZoneEpsgCode}";
+
+            // GRS 1980
+            EquatorialRadius = 6378137d;
+            Flattening = 1d / 298.257222101;
+            ScaleFactor = DefaultScaleFactor;
+            CentralMeridian = Zone * 6d - 183d;
+            FalseEasting = 5e5;
+            FalseNorthing = 0d;
+        }
+    }
+}

MapControl/Shared/MapBase.cs

@@ -381,6 +381,9 @@ namespace MapControl
         public void ZoomToBounds(BoundingBox boundingBox)
         {
             var mapRect = MapProjection.BoundingBoxToMapRect(boundingBox);
+
+            if (mapRect != null)
+            {
                 var targetCenter = MapProjection.MapToLocation(mapRect.Center);
 
                 if (targetCenter != null)
@@ -392,6 +395,7 @@ namespace MapControl
                     TargetHeading = 0d;
                 }
             }
+        }
 
         internal double ConstrainedLongitude(double longitude)
         {

MapControl/Shared/MapProjection.cs

@@ -134,15 +134,11 @@ namespace MapControl
             //
             const double p = 0.01;
 
-            var bbox = string.Format(CultureInfo.InvariantCulture, "{0:F2},{1:F2},{2:F2},{3:F2}",
+            return string.Format(CultureInfo.InvariantCulture, "{0:F2},{1:F2},{2:F2},{3:F2}",
                 p * Math.Ceiling(mapRect.XMin / p),
                 p * Math.Ceiling(mapRect.YMin / p),
                 p * Math.Floor(mapRect.XMax / p),
                 p * Math.Floor(mapRect.YMax / p));
-
-            System.Diagnostics.Debug.WriteLine(bbox);
-
-            return bbox;
         }
     }
 }

MapControl/Shared/MapProjectionFactory.cs

@@ -40,6 +40,10 @@ namespace MapControl
                     projection = new Nad27UtmProjection(epsgCode % 100);
                     break;
 
+                case var c when c >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
+                    projection = new Nad83UtmProjection(epsgCode % 100);
+                    break;
+
                 case var c when c >= Wgs84UtmProjection.FirstZoneNorthEpsgCode && c <= Wgs84UtmProjection.LastZoneNorthEpsgCode:
                     projection = new Wgs84UtmProjection(epsgCode % 100, true);
                     break;

MapControl/Shared/Nad27UtmProjection.cs

@@ -0,0 +1,40 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2022 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl
+{
+    /// <summary>
+    /// NAD27 UTM Projection with zone number.
+    /// </summary>
+    public class Nad27UtmProjection : TransverseMercatorProjection
+    {
+        public const int FirstZone = 1;
+        public const int LastZone = 22;
+        public const int FirstZoneEpsgCode = 26700 + FirstZone;
+        public const int LastZoneEpsgCode = 26700 + LastZone;
+
+        public int Zone { get; }
+
+        public Nad27UtmProjection(int zone)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid NAD27 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            CrsId = $"EPSG:{Zone - FirstZone + FirstZoneEpsgCode}";
+
+            // Clarke 1866
+            EquatorialRadius = 6378206.4;
+            Flattening = 1d / 294.978698213898;
+            ScaleFactor = DefaultScaleFactor;
+            CentralMeridian = Zone * 6d - 183d;
+            FalseEasting = 5e5;
+            FalseNorthing = 0d;
+        }
+    }
+}

MapControl/Shared/Nad83UtmProjection.cs

@@ -0,0 +1,40 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2022 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl
+{
+    /// <summary>
+    /// NAD83 UTM Projection with zone number.
+    /// </summary>
+    public class Nad83UtmProjection : TransverseMercatorProjection
+    {
+        public const int FirstZone = 1;
+        public const int LastZone = 23;
+        public const int FirstZoneEpsgCode = 26900 + FirstZone;
+        public const int LastZoneEpsgCode = 26900 + LastZone;
+
+        public int Zone { get; }
+
+        public Nad83UtmProjection(int zone)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid NAD83 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            CrsId = $"EPSG:{Zone - FirstZone + FirstZoneEpsgCode}";
+
+            // GRS 1980
+            EquatorialRadius = 6378137d;
+            Flattening = 1d / 298.257222101;
+            ScaleFactor = DefaultScaleFactor;
+            CentralMeridian = Zone * 6d - 183d;
+            FalseEasting = 5e5;
+            FalseNorthing = 0d;
+        }
+    }
+}

MapControl/Shared/Wgs84UtmProjection.cs

@@ -6,70 +6,6 @@ using System;
 
 namespace MapControl
 {
-    /// <summary>
-    /// ETRS89 UTM Projection with zone number.
-    /// </summary>
-    public class Etrs89UtmProjection : TransverseMercatorProjection
-    {
-        public const int FirstZone = 28;
-        public const int LastZone = 38;
-        public const int FirstZoneEpsgCode = 25800 + FirstZone;
-        public const int LastZoneEpsgCode = 25800 + LastZone;
-
-        public int Zone { get; }
-
-        public Etrs89UtmProjection(int zone)
-        {
-            if (zone < FirstZone || zone > LastZone)
-            {
-                throw new ArgumentException($"Invalid ETRS89 UTM zone {zone}.", nameof(zone));
-            }
-
-            Zone = zone;
-            CrsId = $"EPSG:{Zone - FirstZone + FirstZoneEpsgCode}";
-
-            // GRS 1980
-            EquatorialRadius = 6378137d;
-            Flattening = 1d / 298.257222101;
-            ScaleFactor = DefaultScaleFactor;
-            CentralMeridian = Zone * 6d - 183d;
-            FalseEasting = 5e5;
-            FalseNorthing = 0d;
-        }
-    }
-
-    /// <summary>
-    /// NAD27 UTM Projection with zone number.
-    /// </summary>
-    public class Nad27UtmProjection : TransverseMercatorProjection
-    {
-        public const int FirstZone = 1;
-        public const int LastZone = 22;
-        public const int FirstZoneEpsgCode = 26700 + FirstZone;
-        public const int LastZoneEpsgCode = 26700 + LastZone;
-
-        public int Zone { get; }
-
-        public Nad27UtmProjection(int zone)
-        {
-            if (zone < FirstZone || zone > LastZone)
-            {
-                throw new ArgumentException($"Invalid NAD27 UTM zone {zone}.", nameof(zone));
-            }
-
-            Zone = zone;
-            CrsId = $"EPSG:{Zone - FirstZone + FirstZoneEpsgCode}";
-
-            // Clarke 1866
-            EquatorialRadius = 6378206.4;
-            Flattening = 1d / 294.978698213898;
-            ScaleFactor = DefaultScaleFactor;
-            CentralMeridian = Zone * 6d - 183d;
-            FalseEasting = 5e5;
-            FalseNorthing = 0d;
-        }
-    }
-
     /// <summary>
     /// WGS84 UTM Projection with zone number and north/south flag.
     /// </summary>
@@ -107,7 +43,7 @@ namespace MapControl
             IsNorth = north;
             CrsId = crsId ?? $"EPSG:{epsgCode}";
             EquatorialRadius = Wgs84EquatorialRadius;
-            Flattening = 1d / Wgs84Flattening;
+            Flattening = Wgs84Flattening;
             ScaleFactor = DefaultScaleFactor;
             CentralMeridian = Zone * 6d - 183d;
             FalseEasting = 5e5;

MapControl/Shared/WmsImageLayer.cs

@@ -240,6 +240,12 @@ namespace MapControl
         protected virtual string GetMapRequestUri(BoundingBox boundingBox)
         {
             var mapRect = ParentMap.MapProjection.BoundingBoxToMapRect(boundingBox);
+
+            if (mapRect == null)
+            {
+                return null;
+            }
+
             var viewScale = ParentMap.ViewTransform.Scale;
 
             return GetRequestUri(new Dictionary<string, string>
@@ -265,6 +271,12 @@ namespace MapControl
             var viewSize = ParentMap.RenderSize;
             var boundingBox = ParentMap.ViewRectToBoundingBox(new Rect(0d, 0d, viewSize.Width, viewSize.Height));
             var mapRect = ParentMap.MapProjection.BoundingBoxToMapRect(boundingBox);
+
+            if (mapRect == null)
+            {
+                return null;
+            }
+
             var viewRect = GetViewRect(mapRect);
 
             var transform = new Matrix(1, 0, 0, 1, -viewSize.Width / 2, -viewSize.Height / 2);

MapControl/UWP/MapControl.UWP.csproj

@@ -71,6 +71,9 @@
     <Compile Include="..\Shared\EquirectangularProjection.cs">
       <Link>EquirectangularProjection.cs</Link>
     </Compile>
+    <Compile Include="..\Shared\Etrs89UtmProjection.cs">
+      <Link>Etrs89UtmProjection.cs</Link>
+    </Compile>
     <Compile Include="..\Shared\FilePath.cs">
       <Link>FilePath.cs</Link>
     </Compile>
@@ -143,6 +146,12 @@
     <Compile Include="..\Shared\MapTileLayerBase.cs">
       <Link>MapTileLayerBase.cs</Link>
     </Compile>
+    <Compile Include="..\Shared\Nad27UtmProjection.cs">
+      <Link>Nad27UtmProjection.cs</Link>
+    </Compile>
+    <Compile Include="..\Shared\Nad83UtmProjection.cs">
+      <Link>Nad83UtmProjection.cs</Link>
+    </Compile>
     <Compile Include="..\Shared\OrthographicProjection.cs">
       <Link>OrthographicProjection.cs</Link>
     </Compile>
@@ -176,9 +185,6 @@
     <Compile Include="..\Shared\TransverseMercatorProjection.cs">
       <Link>TransverseMercatorProjection.cs</Link>
     </Compile>
-    <Compile Include="..\Shared\UtmProjection.cs">
-      <Link>UtmProjection.cs</Link>
-    </Compile>
     <Compile Include="..\Shared\ViewportChangedEventArgs.cs">
       <Link>ViewportChangedEventArgs.cs</Link>
     </Compile>
@@ -191,6 +197,9 @@
     <Compile Include="..\Shared\WebMercatorProjection.cs">
       <Link>WebMercatorProjection.cs</Link>
     </Compile>
+    <Compile Include="..\Shared\Wgs84UtmProjection.cs">
+      <Link>Wgs84UtmProjection.cs</Link>
+    </Compile>
     <Compile Include="..\Shared\WmsImageLayer.cs">
       <Link>WmsImageLayer.cs</Link>
     </Compile>

MapControl/WPF/MapItemsImageLayer.WPF.cs

@@ -37,17 +37,21 @@ namespace MapControl
 
             if (projection != null && items != null)
             {
-                image = await Task.Run(() => GetImage(projection, boundingBox, items));
+                var mapRect = projection.BoundingBoxToMapRect(boundingBox);
+
+                if (mapRect != null)
+                {
+                    image = await Task.Run(() => GetImage(projection, mapRect, items));
+                }
             }
 
             return image;
         }
 
-        private DrawingImage GetImage(MapProjection projection, BoundingBox boundingBox, IEnumerable<IMapDrawingItem> items)
+        private DrawingImage GetImage(MapProjection projection, MapRect mapRect, IEnumerable<IMapDrawingItem> items)
         {
             var scale = ParentMap.ViewTransform.Scale;
             var rotation = ParentMap.ViewTransform.Rotation;
-            var mapRect = projection.BoundingBoxToMapRect(boundingBox);
             var drawings = new DrawingGroup();
 
             foreach (var item in items)

MapProjections/Shared/Ed50UtmProjection.cs

@@ -6,15 +6,26 @@ using System;
 
 namespace MapControl.Projections
 {
+    /// <summary>
+    /// ED50 UTM Projection with zone number.
+    /// </summary>
     public class Ed50UtmProjection : GeoApiProjection
     {
+        public const int FirstZone = 28;
+        public const int LastZone = 38;
+        public const int FirstZoneEpsgCode = 23000 + FirstZone;
+        public const int LastZoneEpsgCode = 23000 + LastZone;
+
+        public int Zone { get; }
+
         public Ed50UtmProjection(int zone)
         {
-            if (zone < 28 || zone > 38)
+            if (zone < FirstZone || zone > LastZone)
             {
-                throw new ArgumentException($"Invalid UTM zone {zone}.", nameof(zone));
+                throw new ArgumentException($"Invalid ED50 UTM zone {zone}.", nameof(zone));
             }
 
+            Zone = zone;
             CoordinateSystemWkt
                 = $"PROJCS[\"ED50 / UTM zone {zone}N\","
                 + "GEOGCS[\"ED50\","
@@ -23,10 +34,8 @@ namespace MapControl.Projections
                 + "AUTHORITY[\"EPSG\",\"7022\"]],"
                 + "TOWGS84[-87,-98,-121,0,0,0,0],"
                 + "AUTHORITY[\"EPSG\",\"6230\"]],"
-                + "PRIMEM[\"Greenwich\",0,"
+                + "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
-                + "AUTHORITY[\"EPSG\",\"8901\"]],"
+                + "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
-                + "UNIT[\"degree\",0.0174532925199433,"
-                + "AUTHORITY[\"EPSG\",\"9122\"]],"
                 + "AUTHORITY[\"EPSG\",\"4230\"]],"
                 + "PROJECTION[\"Transverse_Mercator\"],"
                 + "PARAMETER[\"latitude_of_origin\",0],"
@@ -34,8 +43,7 @@ namespace MapControl.Projections
                 + "PARAMETER[\"scale_factor\",0.9996],"
                 + "PARAMETER[\"false_easting\",500000],"
                 + "PARAMETER[\"false_northing\",0],"
-                + "UNIT[\"metre\",1,"
+                + "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
-                + "AUTHORITY[\"EPSG\",\"9001\"]],"
                 + "AXIS[\"Easting\",EAST],"
                 + "AXIS[\"Northing\",NORTH],"
                 + $"AUTHORITY[\"EPSG\",\"230{zone}\"]]";

MapProjections/Shared/Etrs89UtmProjection.cs

@@ -6,15 +6,26 @@ using System;
 
 namespace MapControl.Projections
 {
+    /// <summary>
+    /// ETRS89 UTM Projection with zone number.
+    /// </summary>
     public class Etrs89UtmProjection : GeoApiProjection
     {
+        public const int FirstZone = 28;
+        public const int LastZone = 38;
+        public const int FirstZoneEpsgCode = 25800 + FirstZone;
+        public const int LastZoneEpsgCode = 25800 + LastZone;
+
+        public int Zone { get; }
+
         public Etrs89UtmProjection(int zone)
         {
-            if (zone < 28 || zone > 38)
+            if (zone < FirstZone || zone > LastZone)
             {
-                throw new ArgumentException($"Invalid UTM zone {zone}.", nameof(zone));
+                throw new ArgumentException($"Invalid ETRS89 UTM zone {zone}.", nameof(zone));
             }
 
+            Zone = zone;
             CoordinateSystemWkt
                 = $"PROJCS[\"ETRS89 / UTM zone {zone}N\","
                 + "GEOGCS[\"ETRS89\","
@@ -23,10 +34,8 @@ namespace MapControl.Projections
                 + "AUTHORITY[\"EPSG\",\"7019\"]],"
                 + "TOWGS84[0,0,0,0,0,0,0],"
                 + "AUTHORITY[\"EPSG\",\"6258\"]],"
-                + "PRIMEM[\"Greenwich\",0,"
+                + "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
-                + "AUTHORITY[\"EPSG\",\"8901\"]],"
+                + "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
-                + "UNIT[\"degree\",0.0174532925199433,"
-                + "AUTHORITY[\"EPSG\",\"9122\"]],"
                 + "AUTHORITY[\"EPSG\",\"4258\"]],"
                 + "PROJECTION[\"Transverse_Mercator\"],"
                 + "PARAMETER[\"latitude_of_origin\",0],"
@@ -34,8 +43,7 @@ namespace MapControl.Projections
                 + "PARAMETER[\"scale_factor\",0.9996],"
                 + "PARAMETER[\"false_easting\",500000],"
                 + "PARAMETER[\"false_northing\",0],"
-                + "UNIT[\"metre\",1,"
+                + "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
-                + "AUTHORITY[\"EPSG\",\"9001\"]],"
                 + "AXIS[\"Easting\",EAST],"
                 + "AXIS[\"Northing\",NORTH],"
                 + $"AUTHORITY[\"EPSG\",\"258{zone}\"]]";

MapProjections/Shared/GeoApiProjectionFactory.cs

@@ -8,17 +8,6 @@ namespace MapControl.Projections
 {
     public class GeoApiProjectionFactory : MapProjectionFactory
     {
-        private const int WorldMercator = 3395;
-        private const int WebMercator = 3857;
-        private const int Ed50UtmFirst = 23028;
-        private const int Ed50UtmLast = 23038;
-        private const int Etrs89UtmFirst = 25828;
-        private const int Etrs89UtmLast = 25838;
-        private const int Wgs84UtmNorthFirst = 32601;
-        private const int Wgs84UtmNorthLast = 32660;
-        private const int Wgs84UtmSouthFirst = 32701;
-        private const int Wgs84UtmSouthLast = 32760;
-
         public Dictionary<int, string> CoordinateSystemWkts { get; } = new Dictionary<int, string>();
 
         public override MapProjection GetProjection(int epsgCode)
@@ -33,27 +22,35 @@ namespace MapControl.Projections
             {
                 switch (epsgCode)
                 {
-                    case WorldMercator:
+                    case WorldMercatorProjection.DefaultEpsgCode:
                         projection = new WorldMercatorProjection();
                         break;
 
-                    case WebMercator:
+                    case WebMercatorProjection.DefaultEpsgCode:
                         projection = new WebMercatorProjection();
                         break;
 
-                    case int c when c >= Ed50UtmFirst && c <= Ed50UtmLast:
+                    case int c when c >= Ed50UtmProjection.FirstZoneEpsgCode && c <= Ed50UtmProjection.LastZoneEpsgCode:
                         projection = new Ed50UtmProjection(epsgCode % 100);
                         break;
 
-                    case int c when c >= Etrs89UtmFirst && c <= Etrs89UtmLast:
+                    case var c when c >= Etrs89UtmProjection.FirstZoneEpsgCode && c <= Etrs89UtmProjection.LastZoneEpsgCode:
                         projection = new Etrs89UtmProjection(epsgCode % 100);
                         break;
 
-                    case int c when c >= Wgs84UtmNorthFirst && c <= Wgs84UtmNorthLast:
+                    case var c when c >= Nad27UtmProjection.FirstZoneEpsgCode && c <= Nad27UtmProjection.LastZoneEpsgCode:
+                        projection = new Nad27UtmProjection(epsgCode % 100);
+                        break;
+
+                    case var c when c >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
+                        projection = new Nad83UtmProjection(epsgCode % 100);
+                        break;
+
+                    case var c when c >= Wgs84UtmProjection.FirstZoneNorthEpsgCode && c <= Wgs84UtmProjection.LastZoneNorthEpsgCode:
                         projection = new Wgs84UtmProjection(epsgCode % 100, true);
                         break;
 
-                    case int c when c >= Wgs84UtmSouthFirst && c <= Wgs84UtmSouthLast:
+                    case var c when c >= Wgs84UtmProjection.FirstZoneSouthEpsgCode && c <= Wgs84UtmProjection.LastZoneSouthEpsgCode:
                         projection = new Wgs84UtmProjection(epsgCode % 100, false);
                         break;
 

MapProjections/Shared/Nad27UtmProjection.cs

@@ -0,0 +1,50 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2022 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl.Projections
+{
+    /// <summary>
+    /// NAD27 UTM Projection with zone number.
+    /// </summary>
+    public class Nad27UtmProjection : GeoApiProjection
+    {
+        public const int FirstZone = 1;
+        public const int LastZone = 22;
+        public const int FirstZoneEpsgCode = 26700 + FirstZone;
+        public const int LastZoneEpsgCode = 26700 + LastZone;
+
+        public int Zone { get; }
+
+        public Nad27UtmProjection(int zone)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid NAD27 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            CoordinateSystemWkt
+                = $"PROJCS[\"NAD27 / UTM zone {zone}N\","
+                + "GEOGCS[\"NAD27\","
+                + "DATUM[\"North_American_Datum_1927\","
+                + "SPHEROID[\"Clarke 1866\",6378206.4,294.978698213898],"
+                + "]," //"EXTENSION[\"PROJ4_GRIDS\",\"NTv2_0.gsb\"]]," -- not recognized
+                + "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+                + "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
+                + "AUTHORITY[\"EPSG\",\"4267\"]],"
+                + "PROJECTION[\"Transverse_Mercator\"],"
+                + "PARAMETER[\"latitude_of_origin\",0],"
+                + $"PARAMETER[\"central_meridian\",{6 * zone - 183}],"
+                + "PARAMETER[\"scale_factor\",0.9996],"
+                + "PARAMETER[\"false_easting\",500000],"
+                + "PARAMETER[\"false_northing\",0],"
+                + "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+                + "AXIS[\"Easting\",EAST],"
+                + "AXIS[\"Northing\",NORTH],"
+                + $"AUTHORITY[\"EPSG\",\"267{zone}\"]]";
+        }
+    }
+}

MapProjections/Shared/Nad83UtmProjection.cs

@@ -0,0 +1,50 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2022 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl.Projections
+{
+    /// <summary>
+    /// NAD83 UTM Projection with zone number.
+    /// </summary>
+    public class Nad83UtmProjection : GeoApiProjection
+    {
+        public const int FirstZone = 1;
+        public const int LastZone = 23;
+        public const int FirstZoneEpsgCode = 26900 + FirstZone;
+        public const int LastZoneEpsgCode = 26900 + LastZone;
+
+        public int Zone { get; }
+
+        public Nad83UtmProjection(int zone)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid NAD83 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            CoordinateSystemWkt
+                = $"PROJCS[\"NAD83 / UTM zone {zone}N\","
+                + "GEOGCS[\"NAD83\","
+                + "DATUM[\"North_American_Datum_1983\","
+                + "SPHEROID[\"GRS 1980\",6378137,298.257222101],"
+                + "TOWGS84[0,0,0,0,0,0,0]],"
+                + "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
+                + "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
+                + "AUTHORITY[\"EPSG\",\"4269\"]],"
+                + "PROJECTION[\"Transverse_Mercator\"],"
+                + "PARAMETER[\"latitude_of_origin\",0],"
+                + $"PARAMETER[\"central_meridian\",{6 * zone - 183}],"
+                + "PARAMETER[\"scale_factor\",0.9996],"
+                + "PARAMETER[\"false_easting\",500000],"
+                + "PARAMETER[\"false_northing\",0],"
+                + "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
+                + "AXIS[\"Easting\",EAST],"
+                + "AXIS[\"Northing\",NORTH],"
+                + $"AUTHORITY[\"EPSG\",\"269{zone}\"]]";
+        }
+    }
+}

MapProjections/Shared/WebMercatorProjection.cs

@@ -13,6 +13,8 @@ namespace MapControl.Projections
     /// </summary>
     public class WebMercatorProjection : GeoApiProjection
     {
+        public const int DefaultEpsgCode = 3857;
+
         public WebMercatorProjection()
         {
             CoordinateSystem = ProjectedCoordinateSystem.WebMercator;

MapProjections/Shared/Wgs84AutoUtmProjection.cs

@@ -1,56 +0,0 @@
-// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
-// © 2022 Clemens Fischer
-// Licensed under the Microsoft Public License (Ms-PL)
-
-using ProjNet.CoordinateSystems;
-using System;
-
-namespace MapControl.Projections
-{
-    public class Wgs84AutoUtmProjection : GeoApiProjection
-    {
-        public const string DefaultCrsId = "AUTO2:42001";
-
-        public Wgs84AutoUtmProjection(bool useZoneCrsId = false)
-        {
-            UseZoneCrsId = useZoneCrsId;
-            UpdateZone();
-        }
-
-        public int Zone { get; private set; }
-        public bool IsNorth { get; private set; }
-        public bool UseZoneCrsId { get; }
-
-        public override Location Center
-        {
-            get => base.Center;
-            set
-            {
-                if (!Equals(base.Center, value))
-                {
-                    base.Center = value;
-                    UpdateZone();
-                }
-            }
-        }
-
-        private void UpdateZone()
-        {
-            var lon = Location.NormalizeLongitude(Center.Longitude);
-            var zone = (int)Math.Floor(lon / 6d) + 31;
-            var north = Center.Latitude >= 0d;
-
-            if (Zone != zone || IsNorth != north)
-            {
-                Zone = zone;
-                IsNorth = north;
-                CoordinateSystem = ProjectedCoordinateSystem.WGS84_UTM(Zone, IsNorth);
-
-                if (!UseZoneCrsId)
-                {
-                    CrsId = DefaultCrsId;
-                }
-            }
-        }
-    }
-}

MapProjections/Shared/Wgs84UtmProjection.cs

@@ -7,16 +7,86 @@ using System;
 
 namespace MapControl.Projections
 {
+    /// <summary>
+    /// WGS84 UTM Projection with zone number and north/south flag.
+    /// </summary>
     public class Wgs84UtmProjection : GeoApiProjection
     {
-        public Wgs84UtmProjection(int zone, bool north)
+        public const int FirstZone = 1;
+        public const int LastZone = 60;
+        public const int FirstZoneNorthEpsgCode = 32600 + FirstZone;
+        public const int LastZoneNorthEpsgCode = 32600 + LastZone;
+        public const int FirstZoneSouthEpsgCode = 32700 + FirstZone;
+        public const int LastZoneSouthEpsgCode = 32700 + LastZone;
+
+        public int Zone { get; private set; }
+        public bool IsNorth { get; private set; }
+
+        protected Wgs84UtmProjection()
         {
-            if (zone < 1 || zone > 60)
-            {
-                throw new ArgumentException($"Invalid UTM zone {zone}.", nameof(zone));
         }
 
-            CoordinateSystem = ProjectedCoordinateSystem.WGS84_UTM(zone, north);
+        public Wgs84UtmProjection(int zone, bool north)
+        {
+            SetZone(zone, north);
+        }
+
+        protected void SetZone(int zone, bool north)
+        {
+            if (zone < FirstZone || zone > LastZone)
+            {
+                throw new ArgumentException($"Invalid WGS84 UTM zone {zone}.", nameof(zone));
+            }
+
+            Zone = zone;
+            IsNorth = north;
+            CoordinateSystem = ProjectedCoordinateSystem.WGS84_UTM(Zone, IsNorth);
+        }
+    }
+
+    /// <summary>
+    /// WGS84 UTM Projection with automatic zone selection from projection center.
+    /// </summary>
+    public class Wgs84AutoUtmProjection : Wgs84UtmProjection
+    {
+        public const string DefaultCrsId = "AUTO2:42001";
+
+        public Wgs84AutoUtmProjection(bool useZoneCrsId = false)
+        {
+            UseZoneCrsId = useZoneCrsId;
+            UpdateZone();
+        }
+
+        public bool UseZoneCrsId { get; }
+
+        public override Location Center
+        {
+            get => base.Center;
+            set
+            {
+                if (!Equals(base.Center, value))
+                {
+                    base.Center = value;
+                    UpdateZone();
+                }
+            }
+        }
+
+        private void UpdateZone()
+        {
+            var lon = Location.NormalizeLongitude(Center.Longitude);
+            var zone = (int)Math.Floor(lon / 6d) + 31;
+            var north = Center.Latitude >= 0d;
+
+            if (Zone != zone || IsNorth != north || string.IsNullOrEmpty(CrsId))
+            {
+                SetZone(zone, north);
+
+                if (!UseZoneCrsId)
+                {
+                    CrsId = DefaultCrsId;
+                }
+            }
         }
     }
 }

MapProjections/Shared/WorldMercatorProjection.cs

@@ -12,6 +12,8 @@ namespace MapControl.Projections
     /// </summary>
     public class WorldMercatorProjection : GeoApiProjection
     {
+        public const int DefaultEpsgCode = 3395;
+
         public WorldMercatorProjection()
         {
             CoordinateSystemWkt

MapProjections/UWP/MapProjections.UWP.csproj

@@ -55,9 +55,6 @@
     <Compile Include="..\Shared\WebMercatorProjection.cs">
       <Link>WebMercatorProjection.cs</Link>
     </Compile>
-    <Compile Include="..\Shared\Wgs84AutoUtmProjection.cs">
-      <Link>Wgs84AutoUtmProjection.cs</Link>
-    </Compile>
     <Compile Include="..\Shared\Wgs84UtmProjection.cs">
       <Link>Wgs84UtmProjection.cs</Link>
     </Compile>

SampleApps/UniversalApp/MainPage.xaml

@@ -210,6 +210,19 @@
                         ServiceUri="http://ows.terrestris.de/osm/service"/>
                 </tools:MapLayerItem>
                 <tools:MapLayersMenuButton.MapOverlays>
+                    <tools:MapLayerItem Text="Graticule">
+                        <map:MapGraticule Opacity="0.7"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Scale">
+                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Seamarks">
+                        <map:MapTileLayer SourceName="Seamarks" MinZoomLevel="9" MaxZoomLevel="18">
+                            <map:MapTileLayer.TileSource>
+                                <map:TileSource UriTemplate="http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png"/>
+                            </map:MapTileLayer.TileSource>
+                        </map:MapTileLayer>
+                    </tools:MapLayerItem>
                     <tools:MapLayerItem Text="Sample Image">
                         <Image Source="10_535_330.jpg" Stretch="Fill">
                             <map:MapPanel.BoundingBox>
@@ -220,18 +233,8 @@
                     <tools:MapLayerItem Text="Mount Etna KML">
                         <map:GroundOverlay SourcePath="etna.kml"/>
                     </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Seamarks">
+                    <tools:MapLayerItem Text="Chicago GeoTIFF">
-                        <map:MapTileLayer SourceName="Seamarks" MinZoomLevel="9" MaxZoomLevel="18">
+                        <map:GeoImage SourcePath="UTM2GTIF.tiff"/>
-                            <map:MapTileLayer.TileSource>
-                                <map:TileSource UriTemplate="http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png"/>
-                            </map:MapTileLayer.TileSource>
-                        </map:MapTileLayer>
-                    </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Graticule">
-                        <map:MapGraticule Opacity="0.7"/>
-                    </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Scale">
-                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
                     </tools:MapLayerItem>
                 </tools:MapLayersMenuButton.MapOverlays>
             </tools:MapLayersMenuButton>
@@ -242,6 +245,8 @@
                 Map="{Binding ElementName=map}">
                 <tools:MapProjectionItem Text="Web Mercator" Projection="EPSG:3857"/>
                 <tools:MapProjectionItem Text="Equirectangular" Projection="EPSG:4326"/>
+                <tools:MapProjectionItem Text="ETRS89 / UTM zone 32N" Projection="EPSG:25832"/>
+                <tools:MapProjectionItem Text="WGS84 / Auto UTM" Projection="AUTO2:42001"/>
             </tools:MapProjectionsMenuButton>
 
             <Slider Orientation="Vertical" Margin="4,8" Height="100"

SampleApps/UniversalApp/UniversalApp.csproj

@@ -78,6 +78,9 @@
     <Content Include="..\Shared\10_535_330.jpg">
       <Link>10_535_330.jpg</Link>
     </Content>
+    <Content Include="..\Shared\UTM2GTIF.tiff">
+      <Link>UTM2GTIF.tiff</Link>
+    </Content>
     <Content Include="Properties\Default.rd.xml" />
     <Content Include="Assets\LockScreenLogo.scale-200.png" />
     <Content Include="Assets\SplashScreen.scale-200.png" />

SampleApps/WinUiApp/MainWindow.xaml

@@ -218,6 +218,19 @@
                         ServiceUri="http://ows.terrestris.de/osm/service"/>
                 </tools:MapLayerItem>
                 <tools:MapLayersMenuButton.MapOverlays>
+                    <tools:MapLayerItem Text="Graticule">
+                        <map:MapGraticule Opacity="0.7"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Scale">
+                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Seamarks">
+                        <map:MapTileLayer SourceName="Seamarks" MinZoomLevel="9" MaxZoomLevel="18">
+                            <map:MapTileLayer.TileSource>
+                                <map:TileSource UriTemplate="http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png"/>
+                            </map:MapTileLayer.TileSource>
+                        </map:MapTileLayer>
+                    </tools:MapLayerItem>
                     <tools:MapLayerItem Text="Sample Image">
                         <Image Source="10_535_330.jpg" Stretch="Fill">
                             <map:MapPanel.BoundingBox>
@@ -228,18 +241,8 @@
                     <tools:MapLayerItem Text="Mount Etna KML">
                         <map:GroundOverlay SourcePath="etna.kml"/>
                     </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Seamarks">
+                    <tools:MapLayerItem Text="Chicago GeoTIFF">
-                        <map:MapTileLayer SourceName="Seamarks" MinZoomLevel="9" MaxZoomLevel="18">
+                        <map:GeoImage SourcePath="UTM2GTIF.tiff"/>
-                            <map:MapTileLayer.TileSource>
-                                <map:TileSource UriTemplate="http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png"/>
-                            </map:MapTileLayer.TileSource>
-                        </map:MapTileLayer>
-                    </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Graticule">
-                        <map:MapGraticule Opacity="0.7"/>
-                    </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Scale">
-                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
                     </tools:MapLayerItem>
                 </tools:MapLayersMenuButton.MapOverlays>
             </tools:MapLayersMenuButton>
@@ -249,6 +252,8 @@
                 Map="{Binding ElementName=map}">
                 <tools:MapProjectionItem Text="Web Mercator" Projection="EPSG:3857"/>
                 <tools:MapProjectionItem Text="Equirectangular" Projection="EPSG:4326"/>
+                <tools:MapProjectionItem Text="ETRS89 / UTM zone 32N" Projection="EPSG:25832"/>
+                <tools:MapProjectionItem Text="WGS84 / Auto UTM" Projection="AUTO2:42001"/>
             </tools:MapProjectionsMenuButton>
 
             <Slider Orientation="Vertical" Margin="4,8" Height="100"

SampleApps/WinUiApp/WinUiApp.csproj

@@ -26,6 +26,7 @@
     <ItemGroup>
         <Content Include="..\Shared\10_535_330.jpg" Link="10_535_330.jpg" />
         <Content Include="..\Shared\etna.kml" Link="etna.kml" />
+        <Content Include="..\Shared\UTM2GTIF.tiff" Link="UTM2GTIF.tiff" />
         <Content Include="Assets\SplashScreen.scale-200.png" />
         <Content Include="Assets\LockScreenLogo.scale-200.png" />
         <Content Include="Assets\Square150x150Logo.scale-200.png" />

SampleApps/WpfApplication/MainWindow.xaml

@@ -184,6 +184,13 @@
                 <tools:MapLayerItem Text="TopPlusOpen WMS" Layer="{StaticResource TopPlusOpenWMS}"/>
                 <tools:MapLayerItem Text="OpenStreetMap WMS" Layer="{StaticResource OpenStreetMapWMS}"/>
                 <tools:MapLayersMenuButton.MapOverlays>
+                    <tools:MapLayerItem Text="Graticule">
+                        <map:MapGraticule Opacity="0.7"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Scale">
+                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
+                    </tools:MapLayerItem>
+                    <tools:MapLayerItem Text="Seamarks" Layer="{StaticResource Seamarks}"/>
                     <tools:MapLayerItem Text="Sample Image">
                         <Image Source="10_535_330.jpg" Stretch="Fill"
                                map:MapPanel.BoundingBox="53.54031,8.08594,53.74871,8.43750"/>
@@ -191,12 +198,8 @@
                     <tools:MapLayerItem Text="Mount Etna KML">
                         <map:GroundOverlay SourcePath="etna.kml"/>
                     </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Seamarks" Layer="{StaticResource Seamarks}"/>
+                    <tools:MapLayerItem Text="Chicago GeoTIFF">
-                    <tools:MapLayerItem Text="Graticule">
+                        <map:GeoImage SourcePath="UTM2GTIF.tiff"/>
-                        <map:MapGraticule Opacity="0.7"/>
-                    </tools:MapLayerItem>
-                    <tools:MapLayerItem Text="Scale">
-                        <map:MapScale HorizontalAlignment="Center" VerticalAlignment="Bottom"/>
                     </tools:MapLayerItem>
                 </tools:MapLayersMenuButton.MapOverlays>
             </tools:MapLayersMenuButton>
@@ -206,6 +209,8 @@
                 Map="{Binding ElementName=map}">
                 <tools:MapProjectionItem Text="Web Mercator" Projection="EPSG:3857"/>
                 <tools:MapProjectionItem Text="Equirectangular" Projection="EPSG:4326"/>
+                <tools:MapProjectionItem Text="ETRS89 / UTM zone 32N" Projection="EPSG:25832"/>
+                <tools:MapProjectionItem Text="WGS84 / Auto UTM" Projection="AUTO2:42001"/>
             </tools:MapProjectionsMenuButton>
 
             <Slider Orientation="Vertical" Margin="8" Height="100"

SampleApps/WpfApplication/WpfApplication.csproj

@@ -32,10 +32,19 @@
         <Content Include="..\Shared\etna.kml" Link="etna.kml">
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>
         </Content>
+        <Content Include="..\Shared\UTM2GTIF.tiff" Link="UTM2GTIF.tiff">
+          <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Content>
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net48'">
         <Reference Include="System.Net.Http" />
         <Reference Include="System.Runtime.Caching" />
     </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="..\Shared\TileLoader.cs">
+        <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+      </Compile>
+    </ItemGroup>
 </Project>