fix: support NumPy array views to set data of Field (#2630)

Author: moe-ad

src/ansys/dpf/core/field_base.py

@@ -504,6 +504,8 @@ def data_as_list(self):
 
     @data.setter
     def data(self, data):
+        if isinstance(data, (np.ndarray, np.generic)) and data.base is not None:
+            data = data.copy()
         self._set_data(data)
 
     @abstractmethod

tests/test_field.py

@@ -426,6 +426,22 @@ def test_append_data_elemental_nodal_field(allkindofcomplexity):
         assert np.allclose(f_new.get_entity_data(i), f.get_entity_data(i))
 
 
+def test_distinct_fields_created_from_views():
+    points = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
+    points_transpose = points.T
+
+    coordinates_field_one = dpf.core.fields_factory.create_3d_vector_field(len(points))
+    coordinates_field_one.data = points
+    coordinates_field_one.scoping.ids = range(1, len(coordinates_field_one.data) + 1)
+
+    coordinates_field_two = dpf.core.fields_factory.create_3d_vector_field(len(points_transpose))
+    coordinates_field_two.data = points_transpose
+    coordinates_field_two.scoping.ids = range(1, len(coordinates_field_two.data))
+
+    check_data_equality = (coordinates_field_one.data == coordinates_field_two.data).all()
+    assert check_data_equality == False
+
+
 def test_str_field(stress_field):
     assert "Location" in str(stress_field)
     assert "ElementalNodal" in str(stress_field)