matplotlib、seaborn 展示中文字體

matplotlib、seaborn 展示中文字體

我們經常使用matplotlibseaborn繪製各種圖標但是失望的是他們對中文字符不支持。

matplotlib 展示中文

查找系統上中文字體的安裝位置,我選用的是宋體,然後拷貝到可讀目錄下~/fonts/Songti.ttc

mac: /System/Library/Fonts/Supplemental/Songti.ttc
window: C:\WINDOWS\Fonts\中文字體.ttf
linux: /usr/share/fonts

python 代碼:

import matplotlib.font_manager as fm,os
import matplotlib.pyplot as plt

# 添加字體
myfont = fm.FontProperties(fname=os.path.join(os.getenv('HOME'),'fonts/Songti.ttc'),size=10)
plt.xlabel('長度',fontproperties=myfont)
plt.ylabel('寬度',fontproperties=myfont)

seaborn 展示中文

方法一:提供字體文件

  1. 查找系統上中文字體的安裝位置,我選用的是宋體,然後拷貝到可讀目錄下~/fonts/Songti.ttc

    mac: /System/Library/Fonts/Supplemental/Songti.ttc
    window: C:\WINDOWS\Fonts\中文字體.ttf
    linux: /usr/share/fonts
    
  2. Python 代碼:

    import os
    import matplotlib.font_manager as fm
    import seaborn as sns
    import pandas as pd
    
    # 添加字體
    myfont = fm.FontProperties(fname=os.path.join(os.getenv('HOME'),'fonts/Songti.ttc'),size=10)
    sns.set(font=myfont.get_name())
    
    tips = pd.DataFrame({
        'time':["午餐","晚餐"],
        'total_bill':[1,2],
    })
    sns.pointplot(x="time", y="total_bill", data=tips)
    

方法二:添加字體

  1. 查看 matplotlib 默認字體

    from matplotlib.font_manager import findfont, FontProperties  
    
    findfont(FontProperties(family=FontProperties().get_familys
    # out: /home/xxx/venv/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf/DejaVuSans.ttf
    
  2. 查找 matplotlibrc的路徑

    import matplotlib
    
    matplotlib.matplotlib_fname()
    # out: /home/xxx/venv/lib64/python3.6/site-packages/matplotlib/mpl-data/matplotlibrc 
    
  3. 修改matplotlibrc

    vim /home/xxx/venv/lib64/python3.6/site-packages/matplotlib/mpl-data/matplotlibrc 
    

    取消註釋font.familyfont.sans-serif ,然後在font.sans-serif後追加你剛纔的字符集名:

    # 獲取字符集名
    import matplotlib.font_manager as fm
    
    myfont = fm.FontProperties(fname=os.path.join(os.getenv('HOME'),'fonts/Songti.ttc'),size=10)
    myfont.get_name()
    
    # out: Songti SC
    

    修改:

    font.family: sans-serif 
    #font.style:   normal
    #font.variant: normal
    #font.weight:  normal
    #font.stretch: normal
    #font.size:    10.0
    
    #font.serif:      DejaVu Serif, Bitstream Vera Serif, Computer Modern Roman, New Century Schoolbook, Century Schoolbook L,Utopia, ITC Bookman, Bookman, Nimbus Roman No9 L, Times New Roman, Times, Palatino, Charter, serif
    font.sans-serif: Songti SC, DejaVu Sans, Bitstream Vera Sans, Computer Modern Sans Serif, Lucida Grande, Verdana, Geneva, Lucid, Arial, Helvetica, Avant Garde, sans-serif
    #font.cursive:    Apple Chancery, Textile, Zapf Chancery, Sand, Script MT, Felipa, cursive
    #font.fantasy:    Comic Neue, Comic Sans MS, Chicago, Charcoal, ImpactWestern, Humor Sans, xkcd, fantasy
    #font.monospace:  DejaVu Sans Mono, Bitstream Vera Sans Mono, Computer Modern Typewriter, Andale Mono, Nimbus Mono L, Courier New, Courier, Fixed, Terminal, monospace
    
  4. 移除matplotlib緩存

    rm -rf ~/.matplotlib
    
  5. 拷貝你的字體文件到matplotlib字體目錄下

    cp /System/Library/Fonts/Supplemental/Songti.ttc  /Users/Andrew/miniconda3/envs/technical-note/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf
    
  6. 重啓jupyter Notebook 內核,然後就可以了。

方法三:直接替換默認字體

  1. 查看matplotlib默認字體

    from matplotlib.font_manager import findfont, FontProperties  
    
    findfont(FontProperties(family=FontProperties().get_familys
    # out: /home/xxx/venv/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf/DejaVuSans.ttf
    
  2. 備份字體

    cp /home/xxx/venv/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf/DejaVuSans.ttf /home/xxx/venv/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf/DejaVuSans.ttf.bp
    
  3. 替換

    cp /System/Library/Fonts/Supplemental/Songti.ttc /home/xxx/venv/lib/python3.6/site-packages/matplotlib/mpl-data/fonts/ttf/DejaVuSans.ttf
    
  4. 重啓jupyter Notebook 內核,然後就可以了

發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章