python 指定画图分辨率

from IPython.core.pylabtools import figsize # import figsize


figsize(12.5, 4) # 设置 figsize

plt.rcParams['savefig.dpi'] = 300 #图片像素

plt.rcParams['figure.dpi'] = 300 #分辨率

#draw


plt.axis('off')

plt.savefig('路径', dpi=300) #指定分辨
plt.show()