Display CJK (here an example of Japanese) in matplotlib

matplotlib_CJK.py

# title

import matplotlib.pyplot as plt

import matplotlib.font_manager
fontprop = matplotlib.font_manager.FontProperties(fname="/Users/shijieyao/Library/Fonts/ipam.ttc")

plt.plot([1,2,3])
plt.title(u"あいうえお", fontdict = {"fontproperties": fontprop})

plt.show()


# annotate

import json
from collections import OrderedDict
import numpy as np
import matplotlib
import matplotlib.pyplot as plt
from sklearn.manifold import TSNE

import matplotlib.font_manager
fontprop = matplotlib.font_manager.FontProperties(fname="/Users/shijieyao/Library/Fonts/ipam.ttc")

vocab = json.load(open('/Users/shijieyao/Downloads/train.in.json'), object_pairs_hook=OrderedDict, encoding='utf-8')
lexicon = {}
for k,v in vocab.items():
	lexicon[v] = k

model = np.load('/Users/shijieyao/Downloads/model.npz')

X = model['Wemb']
X_embedded = TSNE(n_components=2).fit_transform(X[0:3])

i = 0
for x, y in X_embedded:
    plt.plot(x,y, 'ro')
    plt.annotate(xy=(x,y), s=lexicon[i], fontproperties=fontprop)
    i += 1

plt.show()