split sets_to_int_data -> [cell,point]_set_to_data

src/meshio/_mesh.py

@@ -313,7 +313,7 @@ def read(cls, path_or_buf, file_format=None):
         warn("meshio.Mesh.read is deprecated, use meshio.read instead")
         return read(path_or_buf, file_format)
 
-    def sets_to_int_data(self):
+    def cell_sets_to_data(self):
         # If possible, convert cell sets to integer cell data. This is possible if all
         # cells appear exactly in one group.
         default_value = -1
@@ -341,8 +341,10 @@ def sets_to_int_data(self):
             self.cell_data[data_name] = intfun
             self.cell_sets = {}
 
+    def point_sets_to_data(self):
         # now for the point sets
         # Go for -1 as the default value. (NaN is not int.)
+        default_value = -1
         if len(self.point_sets) > 0:
             intfun = np.full(len(self.points), default_value, dtype=int)
             for i, cc in enumerate(self.point_sets.values()):

tests/test_mesh.py

@@ -30,7 +30,8 @@ def test_sets_to_int_data():
     mesh = helpers.add_point_sets(mesh)
     mesh = helpers.add_cell_sets(mesh)
 
-    mesh.sets_to_int_data()
+    mesh.point_sets_to_data()
+    mesh.cell_sets_to_data()
 
     assert mesh.cell_sets == {}
     assert_equal(mesh.cell_data, {"grain0-grain1": [[0, 0, 1, 1, 1]]})
@@ -57,7 +58,7 @@ def test_sets_to_int_data_warning():
         cell_sets={"tag": [[0]]},
     )
     with pytest.warns(UserWarning):
-        mesh.sets_to_int_data()
+        mesh.cell_sets_to_data()
     assert np.all(mesh.cell_data["tag"] == np.array([[0, -1]]))
 
     mesh = meshio.Mesh(
@@ -66,7 +67,7 @@ def test_sets_to_int_data_warning():
         point_sets={"tag": [[0, 1, 3]]},
     )
     with pytest.warns(UserWarning):
-        mesh.sets_to_int_data()
+        mesh.point_sets_to_data()
 
     assert np.all(mesh.point_data["tag"] == np.array([[0, 0, -1, 0]]))
 
@@ -93,7 +94,7 @@ def test_gh_1165():
         },
     )
 
-    mesh.sets_to_int_data()
+    mesh.cell_sets_to_data()
     mesh.cell_data_to_sets("test-sets")
 
     assert_equal(mesh.cell_sets, {"test": [[], [1]], "sets": [[0, 1], [0, 2, 3]]})