from numpy import linspace, append
from math import sinh, sin, cos, pi
from matplotlib.pyplot import *
from mpl_toolkits.axes_grid.axislines import SubplotZero

fig = figure(figsize=(4,4))
ax = SubplotZero(fig,111)
fig.add_subplot(ax)
ax.grid(True)
ax.set_xticks([-2,-1,0,1,2])
ax.set_yticks([-1.5,-.5,.5,1.5,2.5])
ax.set_ylim(-1,2.75)
ax.set_xlim(-2,2)
for direction in ["xzero","yzero"]:
	ax.axis[direction].set_axisline_style("-|>")
	ax.axis[direction].set_visible(True)
for direction in ["left","right","bottom","top"]:
	ax.axis[direction].set_visible(False)

theta = linspace(-4*pi,4*pi,150)
X, Y = [],[]
for x in theta:
	X = append(X,cos(x)/sinh(x/3.))
	Y = append(Y,sin(x)/sinh(x/3.))
ax.plot(X,Y)

ax.text(2,0.1,r"x")
ax.text(-0.5,2.75,r"y")
#fig.show()
fig.savefig("Poinsot2.svg",bbox_inches="tight",\
	pad_inches=.15)