[Python Study Notes]水平直方图
Posted 刘六六
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\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\' >>文件: 水平直方图.py >>作者: liu yang >>邮箱: liuyang0001@outlook.com >>博客: www.cnblogs.com/liu66blog \'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\' #!/usr/bin/env python # -*- coding: utf-8 -*- import sys, os import matplotlib import matplotlib.pyplot as plt # 定义要使用的字体,防止出现中文乱码 font=matplotlib.font_manager.FontProperties(fname=r"C:\\Windows\\Fonts\\Deng.ttf") # Horizontal histogram 水平直方图 def horizontal_histogram(): # 先生成一个画布 fig = plt.figure() # 生成数据 x1 = [x for x in range(1, 9)] y1 = [n * 2 for n in range(1, 9)] x2 = [x for x in range(1, 9)] y2 = [x ** 2 for x in x2] # 画水平直方图 l2=plt.barh(x2,y2,color=\'b\') l1=plt.barh(x1,y1,color=\'g\') # 设置 plt.title("水平直方图",fontproperties=font) # 设置x,y轴标签 plt.xlabel(\'数量\',fontproperties=font) plt.ylabel(\'产品\',fontproperties=font) # 设置刻度 plt.xticks([x for x in range(0,80,4)]) plt.yticks([y for y in range(0,9,1)]) # 设置注解狂图示 plt.legend(handles = [l1, l2,], labels = [\'去年\', \'今年\'], loc = \'best\',prop=font) for x1,x2, y1, y2 in zip(x1,x2, y1, y2): # 添加文本时添加偏移量使其显示更加美观 plt.text(y1+1.5 , x1-0.25, \'%.0f\' % y1, ha=\'center\', va=\'bottom\') plt.text(y2+1.5 , x2-0.25, \'%.0f\' % y2, ha=\'center\', va=\'bottom\') # 显示 plt.show() if __name__ == \'__main__\': histogram = horizontal_histogram()
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