# Implementation of matplotlib function
from matplotlib.axis import Tick
import matplotlib.pyplot as plt
import matplotlib.patches as patches
import matplotlib.cbook as cbook


with cbook.get_sample_data('loggf.PNG') as image_file:
    image = plt.imread(image_file)

fig, ax = plt.subplots()
im = ax.imshow(image)
patch = patches.Rectangle((10, 10),
                          560,
                          500,
                          transform=ax.transData)

if Tick.get_clip_path(im) is None:
    im.set_clip_path(patch)

fig.suptitle("""matplotlib.axis.Tick.set_clip_path()
function Example\n""", fontweight="bold")

plt.show()

# Implementation of matplotlib function
from matplotlib.axis import Tick
import numpy as np
import matplotlib.cm as cm
import matplotlib.pyplot as plt
from matplotlib.path import Path
from matplotlib.patches import PathPatch


delta = 0.025

x = y = np.arange(-3.0, 3.0, delta)
X, Y = np.meshgrid(x, y)

Z1 = np.exp(-X**2 - Y**2)
Z2 = np.exp(-(X - 1)**2 - (Y - 1)**2)
Z = (Z1 - Z2) * 2

path = Path([[0, 1], [1, 0], [0, -1],
             [-1, 0], [0, 1]])
patch = PathPatch(path, facecolor='none')

fig, ax = plt.subplots()
ax.add_patch(patch)

im = ax.imshow(Z,
               interpolation='bilinear',
               cmap=cm.gray,
               origin='lower',
               extent=[-3, 3, -3, 3],
               clip_path=patch,
               clip_on=True)
ax.text(-2.8, 2, str(Tick.get_clip_path(im)))

fig.suptitle("""matplotlib.axis.Tick.set_clip_path()
function Example\n""", fontweight="bold")

plt.show()