matplotlib · xiaoshiqi · Feb 16, 2018 · Feb 16, 2018 · Feb 16, 2018 · Feb 17, 2018
diff --git a/lib/mpl_toolkits/mplot3d/art3d.py b/lib/mpl_toolkits/mplot3d/art3d.py
@@ -388,19 +388,49 @@ def do_3d_projection(self, renderer):
         fcs = (zalpha(self._facecolor3d, vzs) if self._depthshade else
                self._facecolor3d)
         fcs = mcolors.to_rgba_array(fcs, self._alpha)
-        self.set_facecolors(fcs)
+        self._set_facecolor(fcs)
 
         ecs = (zalpha(self._edgecolor3d, vzs) if self._depthshade else
                self._edgecolor3d)
         ecs = mcolors.to_rgba_array(ecs, self._alpha)
-        self.set_edgecolors(ecs)
+        self._set_edgecolor(ecs)
         PatchCollection.set_offsets(self, np.column_stack([vxs, vys]))
 
         if vzs.size > 0:
             return min(vzs)
         else:
             return np.nan
 
+    def set_facecolor(self, c):
+        """
+        Set the facecolor(s) of the collection.  *c* can be a
+        matplotlib color spec (all patches have same color), or a
+        sequence of specs; if it is a sequence the patches will
+        cycle through the sequence.
+
+        If *c* is 'none', the patch will not be filled.
+
+        ACCEPTS: matplotlib color spec or sequence of specs
+        """
+        PatchCollection.set_facecolor(self, c)
+        self._facecolor3d = self.get_facecolor().copy()    # new color
+
+    def set_edgecolor(self, c):
+        """
+        Set the edgecolor(s) of the collection. *c* can be a
+        matplotlib color spec (all patches have same color), or a
+        sequence of specs; if it is a sequence the patches will
+        cycle through the sequence.
+
+        If *c* is 'face', the edge color will always be the same as
+        the face color.  If it is 'none', the patch boundary will not
+        be drawn.
+
+        ACCEPTS: matplotlib color spec or sequence of specs
+        """
+        PatchCollection.set_edgecolor(self, c)
+        self._edgecolor3d = self.get_edgecolor().copy()    # new color
+
 
 class Path3DCollection(PathCollection):
     '''
@@ -456,19 +486,49 @@ def do_3d_projection(self, renderer):
         fcs = (zalpha(self._facecolor3d, vzs) if self._depthshade else
                self._facecolor3d)
         fcs = mcolors.to_rgba_array(fcs, self._alpha)
-        self.set_facecolors(fcs)
+        self._set_facecolor(fcs)
 
         ecs = (zalpha(self._edgecolor3d, vzs) if self._depthshade else
                self._edgecolor3d)
         ecs = mcolors.to_rgba_array(ecs, self._alpha)
-        self.set_edgecolors(ecs)
+        self._set_edgecolor(ecs)
         PathCollection.set_offsets(self, np.column_stack([vxs, vys]))
 
         if vzs.size > 0 :
             return min(vzs)
-        else :
+        else:
             return np.nan
 
+    def set_facecolor(self, c):
+        """
+        Set the facecolor(s) of the collection.  *c* can be a
+        matplotlib color spec (all patches have same color), or a
+        sequence of specs; if it is a sequence the patches will
+        cycle through the sequence.
+
+        If *c* is 'none', the patch will not be filled.
+
+        ACCEPTS: matplotlib color spec or sequence of specs
+        """
+        PathCollection.set_facecolor(self, c)
+        self._facecolor3d = self.get_facecolor().copy()    # new color
+
+    def set_edgecolor(self, c):
+        """
+        Set the edgecolor(s) of the collection. *c* can be a
+        matplotlib color spec (all patches have same color), or a
+        sequence of specs; if it is a sequence the patches will
+        cycle through the sequence.
+
+        If *c* is 'face', the edge color will always be the same as
+        the face color.  If it is 'none', the patch boundary will not
+        be drawn.
+
+        ACCEPTS: matplotlib color spec or sequence of specs
+        """
+        PathCollection.set_edgecolor(self, c)
+        self._edgecolor3d = self.get_edgecolor().copy()    # new color
+
 
 def patch_collection_2d_to_3d(col, zs=0, zdir='z', depthshade=True):
     """

diff --git a/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_color_alpha.png b/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_color_alpha.png
diff --git a/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_color_single.png b/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_color_single.png
diff --git a/...oolkits/tests/baseline_images/test_mplot3d/bar3d_change_edgecolor_notshaded.png b/...oolkits/tests/baseline_images/test_mplot3d/bar3d_change_edgecolor_notshaded.png
diff --git a/...l_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_edgecolor_shaded.png b/...l_toolkits/tests/baseline_images/test_mplot3d/bar3d_change_edgecolor_shaded.png
diff --git a/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/quiver3d_change_color.png b/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/quiver3d_change_color.png
diff --git a/...toolkits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_face.png b/...toolkits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_face.png
diff --git a/...kits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_multiple.png b/...kits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_multiple.png
diff --git a/...olkits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_single.png b/...olkits/tests/baseline_images/test_mplot3d/scatter3d_change_edgecolor_single.png
diff --git a/...kits/tests/baseline_images/test_mplot3d/scatter3d_change_facecolor_multiple.png b/...kits/tests/baseline_images/test_mplot3d/scatter3d_change_facecolor_multiple.png
diff --git a/...olkits/tests/baseline_images/test_mplot3d/scatter3d_change_facecolor_single.png b/...olkits/tests/baseline_images/test_mplot3d/scatter3d_change_facecolor_single.png
diff --git a/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/trisurf3d_change_edgecolor.png b/lib/mpl_toolkits/tests/baseline_images/test_mplot3d/trisurf3d_change_edgecolor.png
diff --git a/...olkits/tests/baseline_images/test_mplot3d/trisurf3d_change_edgecolor_shaded.png b/...olkits/tests/baseline_images/test_mplot3d/trisurf3d_change_edgecolor_shaded.png
diff --git a/...l_toolkits/tests/baseline_images/test_mplot3d/voxels_alpha_change_edgecolor.png b/...l_toolkits/tests/baseline_images/test_mplot3d/voxels_alpha_change_edgecolor.png
diff --git a/..._toolkits/tests/baseline_images/test_mplot3d/voxels_simple_change_edgecolor.png b/..._toolkits/tests/baseline_images/test_mplot3d/voxels_simple_change_edgecolor.png
diff --git a/.../tests/baseline_images/test_mplot3d/voxels_simple_change_facecolor_multiple.png b/.../tests/baseline_images/test_mplot3d/voxels_simple_change_facecolor_multiple.png
diff --git a/...ts/tests/baseline_images/test_mplot3d/voxels_simple_change_facecolor_single.png b/...ts/tests/baseline_images/test_mplot3d/voxels_simple_change_facecolor_single.png
diff --git a/...pl_toolkits/tests/baseline_images/test_mplot3d/wireframe3d_change_edgecolor.png b/...pl_toolkits/tests/baseline_images/test_mplot3d/wireframe3d_change_edgecolor.png
diff --git a/...lkits/tests/baseline_images/test_mplot3d/wireframe3d_change_facecolor_alpha.png b/...lkits/tests/baseline_images/test_mplot3d/wireframe3d_change_facecolor_alpha.png