From 94e8edf18b348ca6e92a2a57239db941079fbbc3 Mon Sep 17 00:00:00 2001
From: ClemensFischer <fischer.clemens@gmail.com>
Date: Tue, 20 Jan 2026 15:57:20 +0100
Subject: [PATCH] Rotated relative scale in AzimuthalEquidistantProjection

---
 MapControl/Shared/AzimuthalEquidistantProjection.cs | 4 +++-
 MapControl/Shared/OrthographicProjection.cs         | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/MapControl/Shared/AzimuthalEquidistantProjection.cs b/MapControl/Shared/AzimuthalEquidistantProjection.cs
index 1e6db43f..4002e5be 100644
--- a/MapControl/Shared/AzimuthalEquidistantProjection.cs
+++ b/MapControl/Shared/AzimuthalEquidistantProjection.cs
@@ -37,7 +37,9 @@ namespace MapControl
                 k = c / Math.Sin(c); // p.195 (25-2)
             }
 
-            return new Matrix(k, 0d, 0d, k, 0d, 0d);
+            var scale = new Matrix(1d, 0d, 0d, k, 0d, 0d); // h == 1
+            scale.Rotate(-Math.Atan2(p.Y, p.X) * 180d / Math.PI);
+            return scale;
         }
 
         public override Point? LocationToMap(double latitude, double longitude)
diff --git a/MapControl/Shared/OrthographicProjection.cs b/MapControl/Shared/OrthographicProjection.cs
index 3c7e401c..df2b50d3 100644
--- a/MapControl/Shared/OrthographicProjection.cs
+++ b/MapControl/Shared/OrthographicProjection.cs
@@ -31,7 +31,7 @@ namespace MapControl
             var p = GetProjectedPoint(latitude, longitude);
             var h = p.CosC; // p.149 (20-5)
 
-            var scale = new Matrix(h, 0d, 0d, 1d, 0d, 0d);
+            var scale = new Matrix(h, 0d, 0d, 1d, 0d, 0d); // k == 1
             scale.Rotate(-Math.Atan2(p.Y, p.X) * 180d / Math.PI);
             return scale;
         }