def test_simple_3D(self):
vertices = np.array([
[0.0, 0.0, 0.0],
[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
], dtype=float);
faces = np.array([[0, 1, 2]], dtype=int);
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 0.1);
numpy.testing.assert_array_equal(vertices, out_vertices);
numpy.testing.assert_array_equal(faces, out_faces);
self.assertEqual(0, info["num_edge_collapsed"]);
self.assert_array_equal([0], info["source_face_index"]);
def test_collapse_all_3D(self):
vertices = np.array([
[0.0, 0.0, 0.0],
[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
], dtype=float);
faces = np.array([[0, 1, 2]], dtype=int);
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 1.1);
self.assertEqual(0, len(out_vertices));
self.assertEqual(0, len(out_faces));
self.assertEqual(1, info["num_edge_collapsed"]);
self.assert_array_equal([], info["source_face_index"]);
def test_simple_3D(self):
vertices = np.array([
[0.0, 0.0, 0.0],
[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
],
dtype=float)
faces = np.array([[0, 1, 2]], dtype=int)
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 0.1)
numpy.testing.assert_array_equal(vertices, out_vertices)
numpy.testing.assert_array_equal(faces, out_faces)
self.assertEqual(0, info["num_edge_collapsed"])
self.assert_array_equal([0], info["source_face_index"])
def test_collapse_all_3D(self):
vertices = np.array([
[0.0, 0.0, 0.0],
[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
],
dtype=float)
faces = np.array([[0, 1, 2]], dtype=int)
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 1.1)
self.assertEqual(0, len(out_vertices))
self.assertEqual(0, len(out_faces))
self.assertEqual(1, info["num_edge_collapsed"])
self.assert_array_equal([], info["source_face_index"])
def test_degenerated_triangles(self):
vertices = np.array([
[0.0, 0.0, 0.0],
[1.0, 0.0, 0.0],
[0.0, 1.0, 0.0],
[-0.1, -0.1, -0.1],
],
dtype=float)
faces = np.array(
[[0, 1, 2], [0, 3, 1], [0, 2, 3], [0, 0, 1], [2, 3, 3]], dtype=int)
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 0.5)
self.assertEqual(3, len(out_vertices))
self.assertEqual(1, len(out_faces))
self.assertEqual(1, info["num_edge_collapsed"])
self.assert_array_equal([0], info["source_face_index"])
def test_slim_triangles(self):
vertices = np.array([
[ 0.0, 0.0, 0.0],
[ 1.0, 0.0, 0.0],
[ 0.0, 1.0, 0.0],
[-0.1,-0.1,-0.1],
], dtype=float);
faces = np.array([
[0, 1, 2],
[0, 3, 1],
[0, 2, 3],
], dtype=int);
out_vertices, out_faces, info = collapse_short_edges_raw(
vertices, faces, 0.5);
self.assertEqual(3, len(out_vertices));
self.assertEqual(1, len(out_faces));
self.assertEqual(1, info["num_edge_collapsed"]);
self.assert_array_equal([0], info["source_face_index"]);
