Deprecate project argument to Line3DCollection.draw.

Author: QuLogic

doc/api/next_api_changes/deprecations/18302-ES.rst

@@ -12,9 +12,15 @@ now deprecated:
 These attributes are all available via `.Axes3D`, which can be accessed via
 ``self.axes`` on all `.Artist`\s.
 
-``renderer`` argument of ``do_3d_projection`` method for ``Collection3D``/``Patch3D``
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+*renderer* argument of ``do_3d_projection`` method for ``Collection3D``/``Patch3D``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The ``renderer`` argument for the ``do_3d_projection`` method on
-``Collection3D`` and ``Patch3D`` is no longer necessary, and passing it during
-draw is deprecated.
+The *renderer* argument for the ``do_3d_projection`` method on ``Collection3D``
+and ``Patch3D`` is no longer necessary, and passing it during draw is
+deprecated.
+
+*project* argument of ``draw`` method for ``Line3DCollection``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The *project* argument for the ``draw`` method on ``Line3DCollection`` is
+deprecated. Call `.Line3DCollection.do_3d_projection` explicitly instead.

lib/mpl_toolkits/mplot3d/art3d.py

@@ -316,6 +316,8 @@ def do_3d_projection(self, renderer=None):
         return minz
 
     @artist.allow_rasterization
+    @_api.delete_parameter('3.4', 'project',
+                           alternative='Line3DCollection.do_3d_projection')
     def draw(self, renderer, project=False):
         if project:
             self.do_3d_projection()

lib/mpl_toolkits/mplot3d/axis3d.py

@@ -357,7 +357,8 @@ def draw(self, renderer):
             self.gridlines.set_color(info['grid']['color'])
             self.gridlines.set_linewidth(info['grid']['linewidth'])
             self.gridlines.set_linestyle(info['grid']['linestyle'])
-            self.gridlines.draw(renderer, project=True)
+            self.gridlines.do_3d_projection()
+            self.gridlines.draw(renderer)
 
         # Draw ticks
         tickdir = info['tickdir']