Matplotlib twinx legend

import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rc
rc('mathtext', default='regular')

time = np.arange(10)
temp = np.random.random(10)*30
Swdown = np.random.random(10)*100-10
Rn = np.random.random(10)*100-10

fig = plt.figure()
ax = fig.add_subplot(111)

lns1 = ax.plot(time, Swdown, '-', label = 'Swdown')
lns2 = ax.plot(time, Rn, '-', label = 'Rn')
ax2 = ax.twinx()
lns3 = ax2.plot(time, temp, '-r', label = 'temp')

# added these three lines
lns = lns1+lns2+lns3
labs = [l.get_label() for l in lns]
ax.legend(lns, labs, loc=0)

ax.grid()
ax.set_xlabel("Time (h)")
ax.set_ylabel(r"Radiation ($MJ\,m^{-2}\,d^{-1}$)")
ax2.set_ylabel(r"Temperature ($^\circ$C)")
ax2.set_ylim(0, 35)
ax.set_ylim(-20,100)
plt.show()

Source: stackoverflow.com

Legend matplotlib twinx

lns = lns1+lns2+lns3
labs = [l.get_label() for l in lns]
ax.legend(lns, labs, loc=0)

Similar codes

2 votes215 views1 answer
Get stats from array
Python
0 vote196 views1 answer
Python get all numbers between two numbers
Python
1 vote237 views2 answers
Remove first element from list
Python
-2 votes187 views1 answer
Python underscore
Python
2 votes191 views2 answers
Python get pixel color from screen
Python
1 vote197 views1 answer
Get variance of list python
Python
-1 vote192 views1 answer
Python input().strip()
Python
0 vote215 views2 answers
Stop animation matplotlib
Python
0 vote221 views1 answer
Return the key-value pairs in this RDD to the master as a dictionary.
Python
-1 vote201 views1 answer
How to bubble sort a 2d array in python
Python