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Python – distort() method in Wand
  • Last Updated : 17 May, 2020

ImageMagick provides several ways to distort an image by applying various transformations against user-supplied arguments. In Wand, the method distort() is used, and follows a basic function.

Syntax :

wand.image.distort(method, aruments, best_fit)

Parameters :

Parameter Input Type Description
method basestring Black point, as a percentage of the system’s quantum range. Defaults to 0..
argumnts collections.abc.Sequence Distortion method name from DISTORTION_METHODS.
best_fit bool Attempt to resize resulting image fit distortion. Defaults False.

Following are the Distortion Methods :

Distortion Method Description
‘undefined’ default Distrortion Method
‘affine’ parallel type of destortion.
‘affine_projection’ kind of 3 parallelogram projection.
‘scale_rotate_translate’ transformation distortion
‘perspective’ 3 dimensional outwards projection distortion.
‘perspective_projection’ creates a away perspective.
‘bilinear_forward’ based on bilinear equation.
‘bilinear_reverse’ based on reverse bilinear equation.
‘polynomial’ based on polynomial.
‘arc’ creates a circular curve of image.
‘polar’ creates a polar distortion effect.
‘depolar’ creates a depolar distortion effect.
‘cylinder_2_plane’ creates a cylinder to plane distortion effect.
‘plane_2_cylinder’ creates a plane to cylinder distortion effect.
‘barrel’ creates outwards bump on 2d image.
‘barrel_inverse’ creates inwards bump on 2d image.
‘resize’ resize destortion image.
‘sentinel’ creates sentinel image distortion.

Source Image:



Code Example 1:

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# Import Image from wand.image module
from wand.image import Image
  
# Read image using Image function
with Image(filename ="gog.png") as img:
    img.distort('arc', (45, ))
    img.save(filename ='gogdistort1.png')

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Output Image:

Code Example 2:
Changing DISTORTION_METHOD to ‘perspective’.

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# Import Image from wand.image module
from wand.image import Image
  
# Read image using Image function
with Image(filename ="gog.png") as img:
    arguments = (0, 0, 20, 60,
                 90, 0, 70, 63,
                 0, 90, 5, 83,
                 90, 90, 85, 88)
    img.distort('perspective', arguments)
    img.save(filename ='gogdistort.png')

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Output Image:

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