matplotlib · QuLogic · Apr 22, 2020 · Jul 12, 2019
diff --git a/doc/api/api_changes_3.3/deprecations.rst b/doc/api/api_changes_3.3/deprecations.rst
@@ -465,3 +465,8 @@ keyword-only, consistently with ``Colorbar``.
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Passing ``None`` as either the ``radius`` or ``startangle`` of an `.Axes.pie`
 is deprecated; use the explicit defaults of 1 and 0, respectively, instead.
+
+``AxisArtist.dpi_transform``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+... is deprecated.  Scale ``Figure.dpi_scale_trans`` by 1/72 to achieve the
+same effect.
diff --git a/lib/mpl_toolkits/axisartist/axis_artist.py b/lib/mpl_toolkits/axisartist/axis_artist.py
@@ -743,9 +743,10 @@ def __init__(self, axes,

        if offset is None:
            offset = (0, 0)
-        self.dpi_transform = Affine2D()
-        self.offset_transform = ScaledTranslation(offset[0], offset[1],
-                                                  self.dpi_transform)
+        self.offset_transform = ScaledTranslation(
+            *offset,
+            Affine2D().scale(1 / 72)  # points to inches.
+            + self.axes.figure.dpi_scale_trans)

        if axis_direction in ["left", "right"]:
            axis_name = "ytick"
@@ -772,6 +773,11 @@ def __init__(self, axes,
        self._axislabel_add_angle = 0.
        self.set_axis_direction(axis_direction)

+    @cbook.deprecated("3.3")
+    @property
+    def dpi_transform(self):
+        return Affine2D().scale(1 / 72) + self.axes.figure.dpi_scale_trans
+
    # axis direction

    def set_axis_direction(self, axis_direction):
@@ -1181,12 +1187,7 @@ def set_label(self, s):
    def get_tightbbox(self, renderer):
        if not self.get_visible():
            return
-
        self._axis_artist_helper.update_lim(self.axes)
-
-        dpi_cor = renderer.points_to_pixels(1.)
-        self.dpi_transform.clear().scale(dpi_cor)
-
        self._update_ticks(renderer)
        self._update_label(renderer)
        bb = [
@@ -1205,21 +1206,13 @@ def get_tightbbox(self, renderer):
    @martist.allow_rasterization
    def draw(self, renderer):
        # docstring inherited
-
        if not self.get_visible():
            return
-
        renderer.open_group(__name__, gid=self.get_gid())
-
        self._axis_artist_helper.update_lim(self.axes)
-
-        dpi_cor = renderer.points_to_pixels(1.)
-        self.dpi_transform.clear().scale(dpi_cor)
-
        self._draw_ticks(renderer)
        self._draw_line(renderer)
        self._draw_label(renderer)
-
        renderer.close_group(__name__)

    def toggle(self, all=None, ticks=None, ticklabels=None, label=None):