Fix minor bug in vertex insert

fuzzythecat · web-flow · commit 312d26a71a34 · 2017-10-14T03:44:37.000+09:00
diff --git a/examples/event_handling/poly_editor.py b/examples/event_handling/poly_editor.py
@@ -127,9 +127,9 @@ def key_press_callback(self, event):
                 d = dist_point_to_segment(p, s0, s1)
                 if d <= self.epsilon:
                     self.poly.xy = np.array(
-                        list(self.poly.xy[:i]) +
+                        list(self.poly.xy[:i + 1]) +
                         [(event.xdata, event.ydata)] +
-                        list(self.poly.xy[i:]))
+                        list(self.poly.xy[i + 1:]))
                     self.line.set_data(zip(*self.poly.xy))
                     break
 
