From 4a866f5352a51916ddb9849b2d68213856196c9c Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Tue, 23 Dec 2025 21:33:17 +0100
Subject: Full real-time page, coruña real time
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---
 .../Services/ShapeTraversalService.cs                | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/Costasdev.Busurbano.Backend/Services/ShapeTraversalService.cs')

diff --git a/src/Costasdev.Busurbano.Backend/Services/ShapeTraversalService.cs b/src/Costasdev.Busurbano.Backend/Services/ShapeTraversalService.cs
index 63f4a2e..c3c66f4 100644
--- a/src/Costasdev.Busurbano.Backend/Services/ShapeTraversalService.cs
+++ b/src/Costasdev.Busurbano.Backend/Services/ShapeTraversalService.cs
@@ -95,6 +95,26 @@ public class ShapeTraversalService
         return FindClosestPointIndex(shape.Points, location);
     }
 
+    public Shape CreateShapeFromWgs84(List<Position> points)
+    {
+        var shape = new Shape();
+        var inverseTransform = _transformation.MathTransform.Inverse();
+
+        foreach (var point in points)
+        {
+            var transformed = inverseTransform.Transform(new[] { point.Longitude, point.Latitude });
+            shape.Points.Add(new Epsg25829 { X = transformed[0], Y = transformed[1] });
+        }
+        return shape;
+    }
+
+    public Epsg25829 TransformToEpsg25829(double lat, double lon)
+    {
+        var inverseTransform = _transformation.MathTransform.Inverse();
+        var transformed = inverseTransform.Transform(new[] { lon, lat });
+        return new Epsg25829 { X = transformed[0], Y = transformed[1] };
+    }
+
     /// <summary>
     /// Calculates the bus position by reverse-traversing the shape from the stop location
     /// </summary>
-- 
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