Mastering matplotlib by Duncan McGreggor

thanks for sharing

多谢分享  ~~~

Mastering matplotlib

啥好书，赶紧看看

kankan

不错不错，谢谢分享之

see seee

import matplotlib
import matplotlib.pyplot as plt
import matplotlib.ticker as mticker
import matplotlib.dates as mdates
import numpy as np
from numpy import loadtxt
from matplotlib import style
style.use("ggplot")



def graphRawFX():
    date,bid,ask = np.loadtxt('GBPUSD1d.txt', unpack=True,
                              delimiter=',',
                              converters={0:mdates.strpdate2num('%Y%m%d%H%M%S')})

    fig=plt.figure(figsize=(10,7))

    ax1 = plt.subplot2grid((40,40), (0,0), rowspan=40, colspan=40)
    ax1.plot(date,bid)
    ax1.plot(date,ask)
    ax1.xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d %H:%M:%S'))
    #####
    plt.grid(True)
    for label in ax1.xaxis.get_ticklabels():
            label.set_rotation(45)
    plt.gca().get_yaxis().get_major_formatter().set_useOffset(False)

    #######
    ax1_2 = ax1.twinx()
   
    #ax1_2.plot(date, (ask-bid))
   
    ax1_2.fill_between(date, 0, (ask-bid), facecolor='g',alpha=.3)
   
    #ax1_2.set_ylim(0, 3*ask.max())
    #######
   
    plt.subplots_adjust(bottom=.23)
    #plt.grid(True)
   
    plt.show()
   


graphRawFX()

感谢分享！

谢谢提供书籍