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Author: VeckoTheGecko

src/parcels/_core/uxgrid.py

@@ -76,9 +76,9 @@ def get_axis_dim(self, axis: _UXGRID_AXES) -> int:
     @property
     def deg2m(self) -> float:
         """Metres per arcdegree for this grid's mesh."""
-        if not self._mesh.is_spherical():
-            return 1.0
-        return self._mesh.deg2m
+        if self._mesh.is_spherical():
+            return self._mesh.deg2m
+        return 1.0
 
     def search(self, z, y, x, ei=None, tol=1e-6):
         """

src/parcels/_core/xgrid.py

@@ -259,9 +259,9 @@ def time(self):
     @property
     def deg2m(self) -> float:
         """Metres per degree of arc for this grid's mesh."""
-        if not self._mesh.is_spherical():
-            return 1.0
-        return self._mesh.deg2m
+        if self._mesh.is_spherical():
+            return self._mesh.deg2m
+        return 1.0
 
     @cached_property
     def xdim(self) -> int: