CODE EXAMPLE FOR PYTHON

numpy array to int type

import numpy as np

from matplotlib import pyplot as plt
import matplotlib.pylab as pylab
params = {'legend.fontsize': 'medium',
          'figure.figsize': (15, 5),
         'axes.labelsize': 'x-large',
         'axes.titlesize':'x-large',
         'xtick.labelsize':'x-large',
         'ytick.labelsize':'x-large'}
pylab.rcParams.update(params)

arr = np.random.rand(10, 10)
plt.imshow(arr)
plt.ylim(0, 10)
plt.xlim(0, 10)

plt.xticks(np.arange(0.0, 11.0, 1.0))
plt.yticks(np.arange(0.0, 11.0, 1.0))

plt.show()