Added Etrs89UtmProjection

MapProjections/Shared/Etrs89UtmProjection.cs

@@ -0,0 +1,51 @@
+// 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
+{
+    public class Etrs89UtmProjection : GeoApiProjection
+    {
+        public Etrs89UtmProjection(int zone)
+        {
+            SetZone(zone);
+        }
+
+        protected void SetZone(int zone)
+        {
+            if (zone < 28 || zone > 38)
+            {
+                throw new ArgumentException($"Invalid UTM zone {zone}.", nameof(zone));
+            }
+
+            const string wktFormat
+                = "PROJCS[\"ETRS89 / UTM zone {0}N\","
+                + "GEOGCS[\"ETRS89\","
+                + "DATUM[\"European_Terrestrial_Reference_System_1989\","
+                + "SPHEROID[\"GRS 1980\",6378137,298.257222101,"
+                + "AUTHORITY[\"EPSG\",\"7019\"]],"
+                + "TOWGS84[0,0,0,0,0,0,0],"
+                + "AUTHORITY[\"EPSG\",\"6258\"]],"
+                + "PRIMEM[\"Greenwich\",0,"
+                + "AUTHORITY[\"EPSG\",\"8901\"]],"
+                + "UNIT[\"degree\",0.0174532925199433,"
+                + "AUTHORITY[\"EPSG\",\"9122\"]],"
+                + "AUTHORITY[\"EPSG\",\"4258\"]],"
+                + "PROJECTION[\"Transverse_Mercator\"],"
+                + "PARAMETER[\"latitude_of_origin\",0],"
+                + "PARAMETER[\"central_meridian\",{1}],"
+                + "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\",\"258{0}\"]]";
+
+            WKT = string.Format(wktFormat, zone, 6 * zone - 183);
+        }
+    }
+}