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MacでMatplotlibで日本語の画像とPDFを作る
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# -*- coding: utf-8 -*- | |
""" | |
Mac OSXのmatplotlibで日本語フォント(Osaka)を使うサンプル | |
python2.7(anaconda-2.1.0) | |
cf. http://matplotlib.org/users/customizing.html | |
""" | |
# デフォルトの文字コードを変更する. | |
import sys | |
reload(sys) | |
sys.setdefaultencoding('utf-8') | |
# import | |
import matplotlib.pyplot as plt | |
import matplotlib.font_manager | |
from matplotlib.font_manager import FontProperties | |
from matplotlib.backends.backend_pdf import PdfPages | |
# for Mac | |
font_path = '/Library/Fonts/Osaka.ttf' | |
font_prop = matplotlib.font_manager.FontProperties(fname=font_path) | |
matplotlib.rcParams['font.family'] = font_prop.get_name() | |
# pdfのフォントをTrueTypeに変更 | |
matplotlib.rcParams['pdf.fonttype'] = 42 | |
# defaultのdpi=100から変更 | |
matplotlib.rcParams['savefig.dpi'] = 300 | |
# 数式(Latex)のフォントを変更 | |
matplotlib.rcParams['mathtext.default'] = 'regular' | |
pdf = PdfPages("test.pdf") | |
plt.figure() | |
plt.plot(range(10)) | |
plt.title(u'日本語のテスト') | |
plt.xlabel(u'Latexのテスト' + r' $y=a x^{2} \alpha \beta $') | |
plt.ylabel(u'y軸 (m)') | |
plt.savefig('test.png') | |
pdf.savefig() | |
pdf.close() |
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