# coding:utf-8

import numpy as np

import matplotlib.pyplot as plt

def draw_subs():

for idx, color in enumerate('rgbyck'):

plt.subplot(321+idx, axisbg=color)

plt.show()

def draw_multi_figure():

# 创建图表1

plt.figure(1, figsize=(8,5))

# 创建图表2

plt.figure(2, figsize=(8,5))

# 在图表2中创建子图1

sub_1 = plt.subplot(211)

# 在图表2中创建子图2

sub_2 = plt.subplot(212)

# sca = set the current axes

# sca(ax) set the current axes instance to *ax*

x = np.linspace(0, 3, 100)

for i in xrange(5):

# 选择图表1

plt.figure(1)

plt.plot(x, np.exp(i*x/3))

# 选择图表2中的子图1

plt.sca(sub_1)

plt.plot(x, np.sin(i*x))

plt.sca(sub_2)

plt.plot(x, np.cos(i*x))

plt.show()

# 显示所有中文字体

from matplotlib.font_manager import fontManager

import os

import os.path

def show_all_chinese():

fig = plt.figure(figsize=(12, 6))

ax = fig.add_subplot(111)

plt.subplots_adjust(0, 0, 1, 1, 0, 0)

plt.xticks([])

plt.yticks([])

x, y = 0.05, 0.08

# 找出路径中大于1M的中文字体

fonts = [font.name for font in fontManager.ttflist if os.path.exists(font.fname) and os.stat(font.fname).st_size>1e6]

# 将fonts放到集合当中进行排序

font = set(fonts)

print(len(fonts))

dy = (1.0-y) / (len(fonts) / 4 + (len(fonts) % 4 != 0))

for font in fonts:

t = ax.text(x, y, u"中文字体", {'fontname':font, 'fontsize':14}, transform=ax.transAxes)

ax.text(x, y - dy / 2, font, transform=ax.transAxes)

x += 0.25

if x >= 1.0:

y += dy

x = 0.05

plt.show()

def show_all_ch():

fig = plt.figure(figsize=(12, 6))

ax = fig.add_subplot(111)

plt.subplots_adjust(0, 0, 1, 1, 0, 0)

plt.xticks([])

plt.yticks([])

x, y = 0.05, 0.08

fonts = [font.name for font in fontManager.ttflist if

os.path.exists(font.fname) and os.stat(font.fname).st_size > 1e6]

font = set(fonts)

dy = (1.0 - y) / (len(fonts) / 4 + (len(fonts) % 4 != 0))

for font in fonts:

t = ax.text(x, y, u"中文字体", {'fontname': font, 'fontsize': 14}, transform=ax.transAxes)

ax.text(x, y - dy / 2, font, transform=ax.transAxes)

x += 0.25

if x >= 1.0:

y += dy

x = 0.05

plt.show()

if __name__ == "__main__":

# draw_subs()

# draw_multi_figure()

show_all_chinese()

# show_all_ch()