Python – Image() function in Wand

In this specific article we will learn how to read our image through Python wand module. To read image in Wand we use Image() function. To manipulate an image first of all we need to read image in Python.

Parameters :

Parameter	Input Type	Description
image	Image	make exact copy of image
blob	bytes	opens an image of blob byte array
file	object	opens an image of the file object
filename	basestring	opens image from filename
width	numbers.Integral	the width of anew blank image or an image loaded from raw data
height	numbers.Integral	the height of a new blank image or an image loaded from raw data
depth	numbers.Integral	the depth used when loading raw data.
background	wand.color.Color	an optional background color.
colorspace	basestring	sets the stack’s default colorspace value before reading any images.
units	basestring	paired with resolution for defining an image’s pixel density.

Now we will write a code to print height and width of image.
Code :

# import required libraries
from __future__ import print_function
from wand.image import Image

    # read image using Image() function
    img = Image(filename ='koala.jpg')

    # print height of image
    print('height =', img.height)

    # print width of image
    print('width = ', img.width)

Output :

height = 300
width = 400

We can also read image from a url using urlopen function from urllib2 generic python library. Let’s see code to print image height and width read from a url.

# import required libraries
from __future__ import print_function
from urllib2 import urlopen
from wand.image import Image

response = urlopen('https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-6.png')
try:

        # read image using Image() function
        img = Image(file = response)

        # print height of image
        print('Height =', img.height)

        # print width of image
        print('Width =', img.width)
finally:
    response.close()