From 8a33648acb8cd0712a56bf78f86f42e08c2fb030 Mon Sep 17 00:00:00 2001
From: Prisca van der Sluis <prisca.vandersluis@deltares.nl>
Date: Tue, 20 Feb 2024 12:41:24 +0100
Subject: [PATCH] Add function for the transformation of a crs for ugrid

---
 netcdf_to_gltf_converter/netcdf/ugrid/wrapper.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/netcdf_to_gltf_converter/netcdf/ugrid/wrapper.py b/netcdf_to_gltf_converter/netcdf/ugrid/wrapper.py
index 5e13fc1..3f2bfbd 100644
--- a/netcdf_to_gltf_converter/netcdf/ugrid/wrapper.py
+++ b/netcdf_to_gltf_converter/netcdf/ugrid/wrapper.py
@@ -58,7 +58,17 @@ def node_coordinates(self) -> np.ndarray:
             np.ndarray: An ndarray of floats with shape (n, 2). Each row represents one node and contains the x- and y-coordinate.
         """
         return self._ugrid2d.node_coordinates
+    
+    def transform_coordinate_system(self, source_crs: int, target_crs: int):
+        """Transform the coordinates to another coordinate system.
 
+        Args:
+            source_crs (int): EPSG from the source coordinate system.
+            target_crs (int): EPSG from the target coordinate system.
+        """
+        self._ugrid2d.set_crs(epsg=source_crs)
+        self._ugrid2d = self._ugrid2d.to_crs(epsg=target_crs)
+        
     @property
     def fill_value(self) -> int:
         """Get the fill value.