util.py

import matplotlib.pyplot as plt
import numpy as np

class Util:

	@staticmethod
	def parameter(start, end, delta=0):
		value = np.random.randint(start-delta, end+delta)
		parameters = len(range(start-delta, end+delta))

		return value, parameters

	@staticmethod
	def imshow_nicely(image, filename=None, new_figure=True):
		if new_figure:
			plt.figure()

		plt.imshow(image, cmap='Greys', interpolation='nearest')
		ax = plt.gca()
		ax.set_xticklabels('')
		ax.set_yticklabels('')
		ax.set_xticks(np.arange(-.5, 100, 10), minor=False);
		ax.set_yticks(np.arange(-.5, 100, 10), minor=False);
		ax.grid(which='major', color='gray', linestyle=':', linewidth='0.5')
		ax.set_axisbelow(True)

		if filename:
			plt.savefig(filename, bbox_inches='tight', transparent=True,)