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Matplotlib.axes.Axes.remove_callback() in Python

  • Last Updated : 10 May, 2020

Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text, Polygon, etc., and sets the coordinate system. And the instances of Axes supports callbacks through a callbacks attribute.

matplotlib.axes.Axes.remove_callback() method

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The remove_callback() method in axes module of matplotlib library is used to remove a callback based on its observer id.

Syntax: Axes.remove_callback(self, oid)

Parameters: This method accepts the following parameters.

  • oid: This parameter is the observer id

Returns: This method does not returns any value,

Below examples illustrate the matplotlib.axes.Axes.add_callback() function in matplotlib:

Example 1:

# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
import time
def update():
    print("Draw at time :", time.time())
def start_animation():
    timer = fig.canvas.new_timer(interval = 50)
    w = timer.add_callback(update)
fig, ax = plt.subplots()
ax.set_title('matplotlib.axes.Axes.remove_callback() \
function Example', fontweight ="bold"


Example 2:

# Implementation of matplotlib function  
from random import randint, choice 
import time 
import matplotlib.pyplot as plt 
import matplotlib.patches as mpatches 
back_color = "black"
colors = ['red', 'green', 'blue', 'purple'
width, height = 4, 4
fig, ax = plt.subplots() 
ax.set(xlim =[0, width], ylim =[0, height]) 
ll = 1
def update():
    global ll
    x = randint(0, width - 1
    y = randint(0, height - 1
    arti = mpatches.Rectangle( 
        (x, y), 1, 1
        facecolor = choice(colors), 
        edgecolor = back_color 
    print("Draw at time :", time.time())
    if ll > 10:
    ll += 1
timer = fig.canvas.new_timer(interval = 1
w = timer.add_callback(update) 
function Example', fontweight ="bold"


Draw at time : 1588597900.000635
Draw at time : 1588597900.047566
Draw at time : 1588597900.0787704
Draw at time : 1588597900.11001
Draw at time : 1588597900.1412835
Draw at time : 1588597900.1725228
Draw at time : 1588597900.2037697
Draw at time : 1588597900.2350247
Draw at time : 1588597900.2662778
Draw at time : 1588597900.2975273
Draw at time : 1588597900.313137

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