def scale_mpl(min_value, max_value):
"""Matplotlib axis ticks"""
from matplotlib.figure import Figure
ax = Figure().add_subplot(111)
ax.plot([min_value, max_value], [min_value, max_value])
#from matplotlib import pyplot as plt
#plt.plot([min_value, max_value],[min_value, max_value])
#print(plt.gca().get_xticks())
ticks = list(ax.get_xticks())
xlim = ax.get_xlim()
if ticks[0] < xlim[0]:
del ticks[0]
if ticks[-1] < xlim[1]:
del ticks[-1]
s = {}
s['ticks'] = list(ticks)
s['tick_spacing'] = ticks[1] - ticks[0]
s['tick_min'] = ticks[0]
s['tick_max'] = ticks[-1]
s['num_ticks'] = len(ticks)
s['min_value'] = min_value
s['max_value'] = max_value
return s
