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Barnes313

: Gimp make top half of photo lighter, and bottom half darker I have a need to show things more dark or "dreary" at the bottom part/half of the stairway, and more light at the top. At

@Barnes313

Posted in: #Color #Gimp #PhotoEditing

I have a need to show things more dark or "dreary" at the bottom part/half of the stairway, and more light at the top. At the top I don't care about the stair colors so much, I want the sun to be even brighter. So ideally I have "dark weather" at the bottom of the stairs, and even "brighter weather" at the top. Are you able to tell me how to do this, and/or modify the image.

Thanks

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@Heady304

A rather simple method to darken parts of an image only would be to apply the Blend Tool with a white to black soft gradient in Subtract blend mode. We can also play with settings for opacity to fine tune the desired effect.


Linear Blend, Subtract Mode, 70% Opacity


Radial Blend, Subtract Mode, 70% Opacity

To add even more dramatic effects, and to brighten the sunny areas we can in addition adjust Color > Curves... with an S-shaped value curve:


Linear blend, adjusted.


Radial blend, adjusted.

Note: Above examples are rather exaggerated for better demontrating the effect. With a more cautious application of both, blend and color curves results may become more "natural".

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