colorbar matplotlib code example

Example 1: legend of colorbar python

cbar = plt.colorbar()
cbar.ax.set_yticklabels(['0','1','2','>3'])
cbar.set_label('Numbers', rotation=270)

Example 2: matplotlib color

Alias	Color
'b'	    blue
'g'	    green
'r'	    red
'c'	    cyan
'm'	    magenta
'y'	    yellow
'k'	    black
'w'	    white

Example 3: add colorbar matplotlib

import matplotlib.pyplot as plt

plt.figure()
m = create_map()
plt.scatter(*positions[::-1],c=count_vec)
plt.colorbar()
plt.show()