Top label for Matplotlib colorbars

Matplotlib Server Side Programming Programming

Python Data Science basics with Numpy, Pandas and Matplotlib

Data Visualization using MatPlotLib & Seaborn

DATAhill Solutions Srinivas Reddy

More Detail

MatPlotLib with Python

DATAhill Solutions Srinivas Reddy

More Detail

To place a top label for colorbars, we can use colorbar's axis to set the title.

Steps

Create random data using numpy.
Use imshow() method to represent data into an image, with colormap "PuBuGn" and interpolation= "nearest".
Create a colorbar for a scalar mappable instance, im
Set the title on the ax (of colorbar) using set_title() method.
To display the figure, use show() method.

Example

import numpy as np
from matplotlib import pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
data = np.random.randn(4, 4)
im = plt.imshow(data, interpolation='nearest', cmap="PuBuGn")
clb = plt.colorbar(im)
clb.ax.set_title('Color Bar Title')
plt.show()