added headers

mitchnegus · mitchnegus · commit 9396d981c917 · 2017-03-07T20:30:05.000-08:00
diff --git a/examples/mplot3d/pathpatch3d_demo.py b/examples/mplot3d/pathpatch3d_demo.py
@@ -1,7 +1,12 @@
-'''
+"""
+============================
+Draw flat objects in 3d plot
+============================
+
 Demonstrate using pathpatch_2d_to_3d to 'draw' shapes and text on a 3D plot.
-'''
+"""
 
+import numpy as np
 import matplotlib.pyplot as plt
 from matplotlib.patches import Circle, PathPatch
 # register Axes3D class with matplotlib by importing Axes3D
diff --git a/examples/mplot3d/polys3d_demo.py b/examples/mplot3d/polys3d_demo.py
@@ -1,7 +1,12 @@
-'''
-Demonstrate how to create semi-transparent polygons which fill the space
-under a line graph, creating a sort of 'jagged stained glass' effect.
-'''
+"""
+=============================================
+Generate polygons to fill under 3d line graph
+=============================================
+
+Demonstrate how to create polygons which fill the space under a line 
+graph. In this example polygons are semi-transparent, creating a sort
+of 'jagged stained glass' effect.
+"""
 
 from mpl_toolkits.mplot3d import Axes3D
 from matplotlib.collections import PolyCollection
