Merge pull request matplotlib#22480 from anntzer/psr

Remove _point_size_reduction.

Author: timhoffm

lib/matplotlib/markers.py

@@ -222,9 +222,6 @@ class MarkerStyle:
     fillstyles = ('full', 'left', 'right', 'bottom', 'top', 'none')
     _half_fillstyles = ('left', 'right', 'bottom', 'top')
 
-    # TODO: Is this ever used as a non-constant?
-    _point_size_reduction = 0.5
-
     _unset = object()  # For deprecation of MarkerStyle(<noargs>).
 
     def __init__(self, marker=_unset, fillstyle=None,
@@ -553,8 +550,8 @@ def _set_mathtext_path(self):
     def _half_fill(self):
         return self.get_fillstyle() in self._half_fillstyles
 
-    def _set_circle(self, reduction=1.0):
-        self._transform = Affine2D().scale(0.5 * reduction)
+    def _set_circle(self, size=1.0):
+        self._transform = Affine2D().scale(0.5 * size)
         self._snap_threshold = np.inf
         if not self._half_fill():
             self._path = Path.unit_circle()
@@ -565,6 +562,9 @@ def _set_circle(self, reduction=1.0):
                 {'right': 0, 'top': 90, 'left': 180, 'bottom': 270}[fs])
             self._alt_transform = self._transform.frozen().rotate_deg(180.)
 
+    def _set_point(self):
+        self._set_circle(size=0.5)
+
     def _set_pixel(self):
         self._path = Path.unit_rectangle()
         # Ideally, you'd want -0.5, -0.5 here, but then the snapping
@@ -579,9 +579,6 @@ def _set_pixel(self):
         self._transform = Affine2D().translate(-0.49999, -0.49999)
         self._snap_threshold = None
 
-    def _set_point(self):
-        self._set_circle(reduction=self._point_size_reduction)
-
     _triangle_path = Path([[0, 1], [-1, -1], [1, -1], [0, 1]], closed=True)
     # Going down halfway looks to small.  Golden ratio is too far.
     _triangle_path_u = Path([[0, 1], [-3/5, -1/5], [3/5, -1/5], [0, 1]],