1 #!/usr/bin/env python3 2 3 ## 以下是一个带误差条的条形图的例子，演示了误差条形图的绘制及中英文字体设置 4 import numpy as np 5 import matplotlib as mpl 6 import matplotlib.pyplot as plt 7 from matplotlib.font_manager import FontProperties as FP 8 9 # %matplotlib inline 10 # %config InlineBackend.figure_format = 'svg' 11 12 mpl.rcParams['text.usetex'] = False 13 mpl.rcParams['figure.figsize'] = (7.40, 5.55) # unit: inch 14 mpl.rcParams['figure.frameon'] = False 15 16 ## 中文设置 17 # matplotlib默认不支持ttc，所以可以将ttc转换ttf先。 18 # 将Windows字体 simsun.ttc上传到 https://transfonter.org/ttc-unpack 在线转换成TTF， 19 # 得到simsun.ttf和nsimsun.ttf，将两个ttf文件放到PYTHON安装目录的 20 # Lib\site-packages\matplotlib\mpl-data\fonts\ttf 子目录下。 21 # 删除字体缓存以便重新生成字体缓存：$HOME/.matplotlib/fontList.py3k.cache 22 23 24 # 全局中文设置 25 mpl.rcParams['font.family'] = 'sans-serif' 26 mpl.rcParams['font.sans-serif'] = 'NSimSun,Times New Roman' 27 28 # 局部中文：设置分别为中文和英文设置两个FontProperties，以便局部切换中英文字体 29 cfp = FP('NSimSun', size=12) 30 efp = FP('Times New Roman', size=12) 31 32 fig,ax = plt.subplots() 33 34 xticklabels = ('G1', 'G2', 'G3') 35 ylabel = 'd' 36 37 male_means = (9, 10, 9) 38 male_std = (4.66, 3.52, 5.32) 39 female_means = (12, 14, 12) 40 female_std = (6.96, 5.46, 3.61) 41 title = 'XX实验结果' 42 43 N=3 44 ind = np.arange(N) # the x locations for the groups 45 width = 0.35 # the width of the bars 46 with plt.style.context(('ggplot')): 47 rects1 = ax.bar( 48 ind - 0.02, female_means, width, color='darkgrey', yerr=female_std) 49 rects2 = ax.bar( 50 ind + 0.02 + width, 51 male_means, 52 width, 53 color='lightgrey', 54 yerr=male_std) 55 56 ax.set_ylabel('d', fontproperties=efp, rotation=0) 57 # 在label、title中可用参数'fontproperties' 指定字体 58 59 ax.yaxis.set_label_coords(-0.05, 0.95) 60 ax.set_title(title) 61 ax.set_xticks(ind + width / 2) 62 63 ax.set_xticklabels(xticklabels, fontproperties=efp) 64 65 ax.legend((rects1[0], rects2[0]), ('处理A', '处理B'), prop=cfp, framealpha=0) 66 # 在legend中可用参数'prop'指定字体,注意不是'fontproperties' 67 68 def autolabel(rects, yerr): 69 """ 70 Attach a text label above each bar displaying its height 71 """ 72 for i in range(0, N): 73 rect = rects[i] 74 height = rect.get_height() 75 ax.text( 76 rect.get_x() + rect.get_width() / 2., 77 1.05 * height, 78 '%0.2f' % yerr[i], 79 ha='left', 80 va='bottom', 81 family='Georgia', 82 fontsize=9) 83 #在text函数中可用family和fontsize指定字体 84 85 autolabel(rects1, female_means) 86 autolabel(rects2, male_means) 87 88 ax.text( 89 1, 90 20, 91 'Hello World', 92 color = 'b', 93 ha='left', 94 va='bottom', 95 fontproperties=efp) 96 # 在text函数中也可用fontproperties指定字体 97 98 fig.tight_layout() 99 fig.savefig('filename.svg', format='svg') 100 # 保存为矢量图svg格式，如需插入word，可以用inkscape软件将其转换成emf格式
