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soapman

[By Design] Affinity Photo "add noise" bug

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When adding noise to an image i get a preview of the noise as i adjust the slider. When i hit ok, the amount of noise or the amount of the effect is scaled back by about 50%. So if i want to add some noise to an image i have to go about 50-100% more than i want. After i hit ok, it scales it back.

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Are you making sure to view the image at 100% zoom when applying the filter? If you're viewing at a different zoom level I don't think the preview will be an accurate representation of the final results.


-- Walt

Windows 10 Home, version 2004 (19041.388),
   Desktop: 16GB memory, Intel Core i7-6700K @ 4.00GHz, GeForce GTX 970
   Laptop:  8GB memory, Intel Core i7-3625QM @ 2.30GHz, Intel HD Graphics 4000 or NVIDIA GeForce GT 630M
Affinity Photo 1.8.5.703 and 1.9.0.852 Beta   / Affinity Designer 1.8.5.703 and 1.9.0.852 Beta  / Affinity Publisher 1.8.5.703 and 1.9.0.850 Beta.

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5 hours ago, soapman said:

i am staying at the same zoom % before and after. 

This is not the "same" zoom ratio, but "100%".

6 hours ago, walt.farrell said:

Are you making sure to view the image at 100% zoom when applying the filter? If you're viewing at a different zoom level I don't think the preview will be an accurate representation of the final results.

 


Affinity Store: Affinity Suite (ADe, APh, APu) 1.8.5.703.
Windows 10 Pro, Version 20H2, Build 19042.610.
Dell Latitude E5570, i5-6440HQ 2.60 GHz, 8 GB, Intel HD Graphics 530, 1920 x 1080.
Dell OptiPlex 7060, i5-8500 3.00 GHz, 16 GB, Intel UHD Graphics 630, Dell P2417H 1920 x 1080.
Intel NUC5PGYH, Pentium N3700 2.40 GHz, 8 GB, Intel HD Graphics, EIZO EV2456 1920 x 1200.

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So the preview is not accurate considering i have not changed my view ratio?

 

So, 21.7% > add noise> Apply>  Effect is not as previewed > Still at 21.7%

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Hi @soapman,

You have already got an answer to your question. 

On 5/17/2019 at 12:52 AM, walt.farrell said:

Are you making sure to view the image at 100% zoom when applying the filter? If you're viewing at a different zoom level I don't think the preview will be an accurate representation of the final results.

To get a 1:1 representation of the noise, you need to view the image at 100%. The noise filter does not dynamically adjust to accommodate the zoom levels. 

I have closed this issue as By design. 

Thanks,

Gabe. 

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