How to change the position of legend in Pygal?

How to rotate x labels using Pygal?

Last Updated : 24 Jan, 2021

Prerequisites: Pygal

Pygal is a graphics and user interface library for Python that provides functionality commonly required in designing and science applications. While making a plot it is important for us to optimize its label, title, size. In this article, we will see how we can rotate the X-Label value of the plot window in the Pygal module. This can be done by passing the angle of rotation to x_label_rotation parameter.

Here are various ways to change the default plot x_label as per our requirement.

Approach:

Import required module.
Create a chart object.
Pass x_label_rotation value in function.
Label the graph.
Display Graph.

Implementation of the concept discussed above is given below:

Example 1:

Python3

# import library 
import pygal 
import numpy 
  
# creating the chart object 
chart = pygal.Bar(x_label_rotation=20) 
  
# Random data 
chart.x_labels = [ 
    'First Bar !', 
    'Second Bar !', 
    'Third Bar !', 
    'Fourth Bar !'] 
chart.add('line', [0.1, .034, .065, .035]) 
  
# naming the title 
chart.title = 'Bar Chart'
  
chart.render_to_png('img.png'); 

Output:

Example 2:

Python3

# importing pygal 
import pygal 
import numpy 
  
# creating the chart object 
chart = pygal.Line(x_label_rotation=90) 
  
# Random data 
chart.x_labels = [ 
    'First Point !', 
    'Second point !', 
    'Third Point !', 
    'Fourth Point !'] 
chart.add('line', [0.1, .034, .065, .035]) 
  
# naming the title 
chart.title = 'Line Chart'
  
chart.render_to_png('img.png') 

Output:

How to change the position of legend in Pygal?

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