Python – blue_shift() function in Wand

Blue shift effect make the colors dull by shifting blue values by a factor. A nighttime kind of scene is generated using this. This takes only one parameter factor. A lot of photo editors use this effect to give a night exposure effect to the image.

Syntax :

wand.image.blue_shift(factor)

Parameters :

Parameter	Input Type	Description
factor	numbers.Real	Amount to adjust values.

Source Image :

Example 1:

# Import Image from wand.image module
from wand.image import Image

# Read image using Image function
with Image(filename ="koala.jpeg") as img:

    # Blueshift effect using blue_shift() function
    img.blue_shift(factor = 1.25)
    img.save(filename ="bs_koala.jpeg")

Output:

Example 2: Increasing value of factor to 1.5 .

# Import Image from wand.image module
from wand.image import Image

# Read image using Image function
with Image(filename ="koala.jpeg") as img:

    # Blueshift effect using blue_shift() function
    img.blue_shift(factor = 1.5)
    img.save(filename ="bs_koala_2.jpeg")

Output: