FIX: Path center line returning points

src/pyedb/dotnet/edb_core/dotnet/primitive.py

@@ -837,21 +837,24 @@ def create(self, layout, layer, net, width, end_cap1, end_cap2, corner_style, po
             net = net.api_object
         width = self._app.edb_api.utility.value(width)
         if isinstance(points, list):
-            points = self._app.edb_api.geometry.polygon_data.api_class(
-                convert_py_list_to_net_list([self._app.geometry.point_data(i) for i in points]), False
-            )
+            points = convert_py_list_to_net_list([self._app.point_data(i[0], i[1]) for i in points])
+            points = self._app.edb_api.geometry.polygon_data.dotnetobj(points)
         return PathDotNet(
             self._app, self.api.Path.Create(layout, layer, net, width, end_cap1, end_cap2, corner_style, points)
         )
 
     @property
     def center_line(self):
         """:class:`PolygonData <ansys.edb.geometry.PolygonData>`: Center line for this Path."""
-        return self.prim_obj.GetCenterLine()
+        edb_center_line = self.prim_obj.GetCenterLine()
+        return [[pt.X.ToDouble(), pt.Y.ToDouble()] for pt in list(edb_center_line.Points)]
 
     @center_line.setter
-    def center_line(self, center_line):
-        self.prim_obj.SetCenterLineMessage(center_line)
+    def center_line(self, value):
+        if isinstance(value, list):
+            points = [self._pedb.point_data(i[0], i[1]) for i in value]
+            polygon_data = self._edb.geometry.polygon_data.dotnetobj(convert_py_list_to_net_list(points), False)
+            self.prim_obj.SetCenterLine(polygon_data)
 
     @property
     def end_cap_style(self):

src/pyedb/dotnet/edb_core/edb_data/primitives_data.py

@@ -631,7 +631,7 @@ def length(self):
         float
             Path length in meters.
         """
-        center_line_arcs = list(self.center_line.GetArcData())
+        center_line_arcs = list(self.api_object.GetCenterLine().GetArcData())
         path_length = 0.0
         for arc in center_line_arcs:
             path_length += arc.GetLength()

tests/legacy/system/test_edb_modeler.py

@@ -537,3 +537,24 @@ def arbitrary_wave_ports(self):
         assert "ref" in test_edb.stackup.layers
         assert len(test_edb.modeler.polygons) == 12
         test_edb.close()
+
+    def test_path_center_line(self):
+        edb = Edb()
+        edb.stackup.add_layer("GND", "Gap")
+        edb.stackup.add_layer("Substrat", "GND", layer_type="dielectric", thickness="0.2mm", material="Duroid (tm)")
+        edb.stackup.add_layer("TOP", "Substrat")
+        trace_length = 10e-3
+        trace_width = 200e-6
+        trace_gap = 1e-3
+        edb.modeler.create_trace(
+            path_list=[[-trace_gap / 2, 0.0], [-trace_gap / 2, trace_length]],
+            layer_name="TOP",
+            width=trace_width,
+            net_name="signal1",
+            start_cap_style="Flat",
+            end_cap_style="Flat",
+        )
+        centerline = edb.modeler.paths[0].center_line
+        assert centerline == [[-0.0005, 0.0], [-0.0005, 0.01]]
+        edb.modeler.paths[0].center_line = [[0.0, 0.0], [0.0, 5e-3]]
+        assert edb.modeler.paths[0].center_line == [[0.0, 0.0], [0.0, 5e-3]]