How to make colorbar orientation horizontal in Python using Matplotlib?

PythonServer Side ProgrammingProgramming

To make colorbar orientation horizontal in Python, we can use orientation="horizontal" in the argument.

Steps

  • Set the figure size and adjust the padding between and around the subplots.
  • Create random x, y and z data points using numpy.
  • Create a figure and a set of subplots.
  • Use scatter() method to plot x, y and z data points.
  • Create a colorbar for a ScalarMappable instance, with horizontal orientation.
  • To display the figure, use show() method.

Example

import numpy as np
import matplotlib.pyplot as plt

plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True

x, y, z = np.random.rand(3, 50)
f, ax = plt.subplots()

points = ax.scatter(x, y, c=z, s=50, cmap="plasma")
f.colorbar(points, orientation="horizontal")

plt.show()

Output

raja
Rishikesh Kumar Rishi
Published on 07-Jul-2021 11:28:44
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