CODEWITHSUNDEEP
pythonmatplotlibploterrorbar
tkja
tkja

Reputation: 2030

Can matplotlib errorbars have a linestyle set?

Is it possible to set the same linestyle on matplotlib errorbars as the data points?

In the example below, two lines are plotted. One of them is dashed because of the ls='-.' parameter. However, the errorbars are solid lines. Is it possible to modify the style/look of the errorbars to match the results line?

import matplotlib.pyplot as plt
import numpy as np

x = np.array(range(0,10))
y = np.array(range(0,10))
yerr = np.array(range(1,11)) / 5.0
yerr2 = np.array(range(1,11)) / 4.0

y2 = np.array(range(0,10)) * 1.2

plt.errorbar(x, y, yerr=yerr, lw=8, errorevery=2, ls='-.')
plt.errorbar(x, y2, yerr=yerr2, lw=8, errorevery=3)
plt.show()

Upvotes: 27

Views: 29739

Answers (2)

Chris Vagkidis
Chris Vagkidis

Reputation: 1

You can also use the fmt option that is included in the plt.errorbar() command.

For example, in your case:

plt.errorbar(x, y, yerr=yerr, fmt='-.' , lw=8, errorevery=2)
plt.errorbar(x, y2, yerr=yerr2, lw=8, errorevery=3)

Upvotes: 0

CT Zhu
CT Zhu

Reputation: 54330

It is trivial, changing the linestyle of the errorbars only require a simple .set_linestyle call:

eb1=plt.errorbar(x, y, yerr=yerr, lw=2, errorevery=2, ls='-.')
eb1[-1][0].set_linestyle('--') #eb1[-1][0] is the LineCollection objects of the errorbar lines
eb2=plt.errorbar(x, y2, yerr=yerr2, lw=2, errorevery=3)
eb2[-1][0].set_linestyle('-.')

enter image description here

Upvotes: 38

Related Questions