test of legend position

legend_pos.py

#! /usr/bin/python
# -*- coding: utf-8 -*-

import numpy as np
import matplotlib.pyplot as plt


x = np.arange(-2*np.pi, 2*np.pi, 0.1)
plt.plot(x, np.sin(x), label='sin(x)')
plt.plot(x, np.cos(x), label='cos(x)')

plt.grid(True)

# 1.2.1系では有効
#lgnd = plt.legend(loc="upper center", bbox_to_anchor=(0.5,-0.05), ncol=2)
#plt.savefig("legend_pos.eps", bbox_extra_artists=(lgnd,), bbox_inches='tight')


# 0.99系での応急処置
plt.legend(loc="upper center", 
  		bbox_to_anchor=(0.5,-0.05), # 描画領域の少し下にBboxを設定
			ncol=2						# 2列
			)

plt.gcf().subplots_adjust(bottom=0.13)
plt.savefig("legend_pos.png")