使用Python绘制图表实例

import os
import pygal

x_time = ['2014/8/8 21:00','2014/8/8 21:30','2014/8/8 22:00','2014/8/8 22:30','2014/8/8 23:00','2014/8/8 23:30','2014/8/9 00:00',
'2014/8/9 00:30','2014/8/9 01:00','2014/8/9 01:30']
y_valus = [82.5, 82.9, 82.0, 83.6, 83.3, 80.31, 81.4, 81.5, 80.3, 79.8]
data = len(y_valus)

name_list = ['IE', 'Firefox']

middle_data = (y_valus[data/2 - 1] + y_valus[data/2])/2
middle_line = [middle_data,middle_data,middle_data,middle_data,middle_data,middle_data,middle_data,middle_data,middle_data,middle_data]

line_chart = pygal.Line()
line_chart.title = 'CPU Resource usage (in %)'
line_chart.x_labels = map(str, x_time)
line_chart.add(name_list[1], y_valus)
line_chart.add(name_list[0], y_valus[0:len(y_valus)/2])
line_chart.add('middle', middle_line)

#line_chart.render()
#line_chart.render_to_file('line_chart.svg')
f=open('line_chart.html','w')
f.write(line_chart.render())
f.close()


版权所有，请勿复制！