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TOPIC: Local contrast? How?

Local contrast? How? 2 months 3 weeks ago #1

Anybody have an idea how the Local Contrast effect from Affinity Photo works?
I basically makes everything look awesome.

before:


after (60%):


The effect is located in Tone Mapping Persona (tab at the left top corner) under slider Local Contrast
You can download Affinity Photo Trial from here affinity.store/get/photo/trial/
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Local contrast? How? 2 months 3 weeks ago #2

It is very handsome effect.
Last Edit: 1 week 3 days ago by Chavolatra.
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Local contrast? How? 2 months 3 weeks ago #3

Can you quickly create an image with a light Grey on top and a very dark grey on bottom and apply different levels of strength of this effect? Also I'd like to see how it handles black and white so if you could do black/white on one half of the image, that would be great. Maybe I can reconstruct the effect.
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Local contrast? How? 2 months 3 weeks ago #4

Ioxa has a local contrast shader. Clarity is the name I think.

While the effect is quite effective at making the image perceptually sharper and more "readeable" it can also give a dirty feeling to it. By adding detail/contrast to the textures in shadow areas it reduces the main contrast between light and dark. That flattens the image and with detail everywhere is harder sometimes to keep a clear focal point in the image.

However is another tool in the box.
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Local contrast? How? 2 months 3 weeks ago #5

Dayum! That looks so good! I love clouds and this has changed the clouds so much :O
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Local contrast? How? 2 months 3 weeks ago #6

"Can you quickly create an image with a light Grey on top and a very dark grey on bottom and apply different levels of strength of this effect? Also I'd like to see how it handles black and white so if you could do black/white on one half of the image, that would be great. Maybe I can reconstruct the effect."


Do you can make this effect for us ?

I'll be waiting for this =)
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Local contrast? How? 2 months 3 weeks ago #7

Marty McFly wrote:
Can you quickly create an image with a light Grey on top and a very dark grey on bottom and apply different levels of strength of this effect? Also I'd like to see how it handles black and white so if you could do black/white on one half of the image, that would be great. Maybe I can reconstruct the effect.

You mean something like this ? Hope It helps.

Last Edit: 2 months 3 weeks ago by Marty.
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Local contrast? How? 2 months 3 weeks ago #8

Marty McFly wrote:
Can you quickly create an image with a light Grey on top and a very dark grey on bottom and apply different levels of strength of this effect? Also I'd like to see how it handles black and white so if you could do black/white on one half of the image, that would be great. Maybe I can reconstruct the effect.

Ok, I made something like this:
0%


25%


50%


75%


100%


The gradient has a dither effect by default (I could not disable it).

PS, Marty, I made it before I saw your post.
Last Edit: 2 months 3 weeks ago by Fu-Bama.
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Local contrast? How? 1 week 3 days ago #9

Marty McFly wrote:
Can you quickly create an image with a light Grey on top and a very dark grey on bottom and apply different levels of strength of this effect? Also I'd like to see how it handles black and white so if you could do black/white on one half of the image, that would be great. Maybe I can reconstruct the effect.

You give up to make this effect.?
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