Fix normals for located planar wires

cadquery/occ_impl/nurbs.py

@@ -357,7 +357,7 @@ def isoline(self, param: float, dir: Literal["u", "v"] = "u") -> Curve:
 @njiti
 def _preprocess(
     u: Array, order: int, knots: Array, periodic: bool
-) -> Tuple[Array, Array, Optional[int], Optional[int], int]:
+) -> Tuple[Array, Array, int, int, int]:
     """
     Helper for handling periodicity. This function extends the knot vector,
     wraps the parameters and calculates the delta span.

cadquery/occ_impl/shapes.py

@@ -2357,7 +2357,10 @@ def normal(self: Mixin1DProtocol) -> Vector:
 
             if isinstance(surf, Geom_Plane):
                 pln = surf.Pln()
-                rv = Vector(pln.Axis().Direction())
+                direction = (
+                    pln.Axis().Direction().Transformed(fs.Location().Transformation())
+                )
+                rv = Vector(direction)
             else:
                 raise ValueError("Normal not defined")
 

tests/test_cadquery.py

@@ -4934,6 +4934,20 @@ def testNormal(self):
 
         self.assertTupleAlmostEquals(n.toTuple(), (0, 0, 1), 6)
 
+        located_circle = face(circle(1)).wire().move(y=3, ry=90)
+
+        assert located_circle.normal().toTuple() == approx((1, 0, 0))
+        assert located_circle.edge().normal().toTuple() == approx((1, 0, 0))
+
+        located_ellipse = face(ellipse(2, 1)).wire().move(y=3, ry=90)
+
+        assert located_ellipse.normal().toTuple() == approx((1, 0, 0))
+        assert located_ellipse.edge().normal().toTuple() == approx((1, 0, 0))
+
+        located_rectangle = plane(2, 2).wire().move(y=3, ry=90)
+
+        assert located_rectangle.normal().toTuple() == approx((1, 0, 0))
+
         with self.assertRaises(ValueError):
             edge = Workplane().rect(1, 2).edges().val()
             n = edge.normal()