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

0 vote279 views1 answer
How to detect the body with cv2
Python
2 votes333 views1 answer
Django template tag to display current year
Python Django
0 vote263 views1 answer
Add caption to plot python
Python
1 vote274 views1 answer
How to make a calcukatir in python
Python
0 vote240 views1 answer
What is the use of extend in python
Python
0 vote278 views1 answer
Scipy.cluster.hierarchy
Python
0 vote263 views3 answers
How to count null values in pandas and return as percentage
Python
-1 vote283 views1 answer
How to make label background transparent in tkinter
Python
1 vote281 views2 answers
Kaggle dataset download to google colab
Python
57 votes249 views6 answers
Python sum of list
Python