The Wand is an Imagick library for python. It supports the functionalities of Imagick API in Python 2.6, 2.7, 3.3+, and PyPy.This library not only helps in processing the images but also provides valuable functionalities for Machine Learning codes using NumPy.

Installation:
By Pip:

$ pip install Wand

As the wand is an Imagick API, so we require Imagick dependencies.

Imagick’s Installation:

• For Ubuntu/Debian:

  $ sudo apt-get install libmagickwand-dev

• For Mac (By Brew Installer)
  
  
  
  

  $ brew install imagemagick

  Installation of MacPorts

  $ sudo port install imagemagick

  Note: If Python is not installed using MacPorts, we need to export MAGICK_HOME.

  $ export MAGICK_HOME=/opt/local

  Example 1: Reading an Image:
  Input Image: geeksforgeeks.png
  

  
  

  
  
  

  # Import library from the wand from wand.image import Image    # Import the image with Image(filename ='geeksforgeeks.png') as pic:        # Read the image to fetch actual dimensions     print('Width of the image:', pic.width)     print('Height of the image:', pic.height)

  Output:

  ('Width of the image:', 667L)
  ('Height of the image:', 184L)
  

  Example 2: Blur an Image:

  
  

  
  
  

  # Import library from the wand  from wand.image import Image    # Import the image with Image(filename ="geeksforgeeks.png") as pic:        # Invoke blur function with radius 0 and sigma 3     pic.blur(radius = 0, sigma = 3)        # save the processed iamge     pic.save(filename ="blur1.png")

  Output:
  

  Example 3: Transfor the image

  
  

  
  
  

  # Import library from the wand from wand.image import Image    # Import the image with Image(filename ='geeksforgeeks.png') as image:     # Clone the image in order to process     with image.clone() as flip:            # Invoke flip function         flip.flip()            # Save the image         flip.save(filename ='flip-geeksforgeeks.jpg')

  Output:
  

  Example 4: Drawing:

  
  

  
  
  

  # Import libraries from the wand   from wand.image import Image from wand.drawing import Drawing from wand.color import Color    with Drawing() as draw:     # Set Stroke color the circle to black     draw.stroke_color = Color('black')        # Set Width of the circlw to 2      draw.stroke_width = 2        # Set the fill color to 'White (# FFFFFF)'     draw.fill_color = Color('white')        # Invoke Circle function with center      # at 200, 200 and radius 100     draw.circle((200, 200), # Center point                 (100, 100)) # Perimeter point     with Image(width = 400, height = 400,                background = Color('lightgreen')) as pic:         draw(pic)         pic.save(filename ='circle1.jpg')

  Output:
  
  References:

  • http://docs.wand-py.org/en/0.5.9/index.html

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