diff --git a/lib/matplotlib/path.py b/lib/matplotlib/path.py
index 93165dc684dc..7db416408e11 100644
--- a/lib/matplotlib/path.py
+++ b/lib/matplotlib/path.py
@@ -325,11 +325,13 @@ def make_compound_path_from_polys(cls, XY):
@classmethod
def make_compound_path(cls, *args):
- """Make a compound path from a list of Path objects."""
+ """
+ Make a compound path from a list of Path objects. Blindly removes all
+ Path.STOP control points.
+ """
# Handle an empty list in args (i.e. no args).
if not args:
return Path(np.empty([0, 2], dtype=np.float32))
-
vertices = np.concatenate([x.vertices for x in args])
codes = np.empty(len(vertices), dtype=cls.code_type)
i = 0
@@ -340,6 +342,10 @@ def make_compound_path(cls, *args):
else:
codes[i:i + len(path.codes)] = path.codes
i += len(path.vertices)
+ # remove STOP's, since internal STOPs are a bug
+ not_stop_mask = codes != cls.STOP
+ vertices = vertices[not_stop_mask, :]
+ codes = codes[not_stop_mask]
return cls(vertices, codes)
diff --git a/lib/matplotlib/tests/test_path.py b/lib/matplotlib/tests/test_path.py
index 4435b2337bef..b61a92654dc3 100644
--- a/lib/matplotlib/tests/test_path.py
+++ b/lib/matplotlib/tests/test_path.py
@@ -147,6 +147,15 @@ def test_make_compound_path_empty():
assert r.vertices.shape == (0, 2)
+def test_make_compound_path_stops():
+ zero = [0, 0]
+ paths = 3*[Path([zero, zero], [Path.MOVETO, Path.STOP])]
+ compound_path = Path.make_compound_path(*paths)
+ # the choice to not preserve the terminal STOP is arbitrary, but
+ # documented, so we test that it is in fact respected here
+ assert np.sum(compound_path.codes == Path.STOP) == 0
+
+
@image_comparison(['xkcd.png'], remove_text=True)
def test_xkcd():
np.random.seed(0)
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