PHOTOSHOP
CAST LIGHT WINDOWS

("CAST LIGHT WINDOW " in photoshop simulates sunlight through windows. Techniques use selections, masks, and adjustment layers to create realistic light and shadow effects, adding depth and mood.

Adding cast light window effects in Photoshop is a powerful way to create atmosphere, mood, and visual storytelling in your images. This technique mimics sunlight streaming through windows, adding a sense of warmth and realism. At Anil Computers, Udaipur, we teach practical Photoshop techniques like this as part of our hands-on courses.

Step 1: Open and Duplicate Your Image

Insert the image

Duplicate the image

Step 2: Change Color Mode

• Navigate to Image > Mode > Lab Color

• Click OK when prompted.

Step 3: Work with Channels

Windows - channels - lightness - Right click on lightness -

Duplicate channel - document - new document - Name( light ) - ok

Step 4: Adjust Levels

Ctrl+L - Increase the " Input level "

Step 5: Create Light Area

Use polygon lasso tool - Select the empty space

Shift+F5 ( To fill white color) - Ctrl+T ( adjust ) - ok

Step 6: Add Blur

Fliter - blur - gussian blur ( Increase it by 4.5 )

Step 7: Save and Close

Save the file ( in PHD form)

Close the duplicate file

Come on "ORIGINAL" File

Step 8: Change Mode Back to RGB

Image - Mode - RGB

Step 9: Create Window Shadow Lines

New layer - Rectangular selection ( make a rectangle box) - Fill Black color-

-Press V -  Alt + Shift ( you can move the rectangle ) ( copy till the below)

Ctrl+D ( remove select )

Step 10: Apply Blur to Shadows

Fliter - Blur - Gussian blur ( increase it )

Step 11: Apply Displacement

Fliter - Distor - Displace

- Hortizonal scale - 0

-Vertical scale- 20

- Stretch to fit

- Repeat edge pixels

NOW.....,,,

Select the save photo

open it

Final Touches

✅ Step 12: Adjust Opacity

Decrease the opacity ( around 50)

Step 13: Add Sunlight Color

New fill and adjustment - color balance -

- Properties - RED-( 10-15)in b\w

- YELLOW - (-34) ( to give sun effect )

Result:

You now have a beautiful sunlight through window effect that adds realism, depth, and emotion to your scene — perfect for creative or cinematic photography.

Thanks to Google

Thanks to ChatGPT

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