May 8, 2020
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
            linewidths = rcParams['lines.linewidth']

        offsets = np.ma.column_stack([x, y])
        # "pixel" markers should be drawn at their "true" size
        ignore_scale = marker_obj.get_marker() == ','

        collection = mcoll.PathCollection(
                (path,), scales,
                linewidths=linewidths,
                offsets=offsets,
                transOffset=kwargs.pop('transform', self.transData),
                alpha=alpha
                alpha=alpha,
                ignore_scale=ignore_scale
                )
        collection.set_transform(mtransforms.IdentityTransform())
        collection.update(kwargs)
diff --git a/lib/matplotlib/collections.py b/lib/matplotlib/collections.py
    """
    _factor = 1.0

    def __init__(self, ignore_scale=False, **kwargs):
        super().__init__(**kwargs)
        self._ignore_scale = ignore_scale

    def get_sizes(self):
        """
        Return the sizes ('areas') of the elements in the collection.
        else:
            self._sizes = np.asarray(sizes)
            self._transforms = np.zeros((len(self._sizes), 3, 3))
            scale = np.sqrt(self._sizes) * dpi / 72.0 * self._factor
            if self._ignore_scale:
                scale = 1
            else:
                scale = np.sqrt(self._sizes) * dpi / 72.0 * self._factor
            self._transforms[:, 0, 0] = scale
            self._transforms[:, 1, 1] = scale
            self._transforms[:, 2, 2] = 1.0
        %(Collection)s
        """

 Collection.__init__(self,**kwargs)
 super().__init__(**kwargs)
        self.set_paths(paths)
        self.set_sizes(sizes)
        self.stale = True
Original file line number	Diff line number	Diff line change
Expand Up		@@ -4471,6 +4471,8 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
		linewidths = rcParams['lines.linewidth']

		offsets = np.ma.column_stack([x, y])
		# "pixel" markers should be drawn at their "true" size
		ignore_scale = marker_obj.get_marker() == ','

		collection = mcoll.PathCollection(
		(path,), scales,
Expand All		@@ -4479,7 +4481,8 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
		linewidths=linewidths,
		offsets=offsets,
		transOffset=kwargs.pop('transform', self.transData),
		alpha=alpha
		alpha=alpha,
		ignore_scale=ignore_scale
		)
		collection.set_transform(mtransforms.IdentityTransform())
		collection.update(kwargs)
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -845,6 +845,10 @@ class _CollectionWithSizes(Collection):
		"""
		_factor = 1.0

		def __init__(self, ignore_scale=False, **kwargs):
		super().__init__(**kwargs)
		self._ignore_scale = ignore_scale

		def get_sizes(self):
		"""
		Return the sizes ('areas') of the elements in the collection.
Expand DownExpand Up		@@ -874,7 +878,10 @@ def set_sizes(self, sizes, dpi=72.0):
		else:
		self._sizes = np.asarray(sizes)
		self._transforms = np.zeros((len(self._sizes), 3, 3))
		scale = np.sqrt(self._sizes) * dpi / 72.0 * self._factor
		if self._ignore_scale:
		scale = 1
		else:
		scale = np.sqrt(self._sizes) * dpi / 72.0 * self._factor
		self._transforms[:, 0, 0] = scale
		self._transforms[:, 1, 1] = scale
		self._transforms[:, 2, 2] = 1.0
Expand All		@@ -899,7 +906,7 @@ def __init__(self, paths, sizes=None, **kwargs):
		%(Collection)s
		"""

		Collection.__init__(self,**kwargs)
		super().__init__(**kwargs)
		self.set_paths(paths)
		self.set_sizes(sizes)
		self.stale = True
Expand Down