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Why I have a border around my halftone? / Affinity Photo (and Designer too)


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19 minutes ago, Affitoom said:

Hi

Why I have a border around my halftone?

Was that edge supposed to be there?

I have tested the filter in other shapes and images, and it always produces a border on the edges.

Can somebody help me?

Please

halftone.afdesign 258.37 kB · 1 download

As perhaps a simpler solution, set the blend mode of the halftone to Vivid light.

Intel i7-10700 Gen10 CPU, 32GB RAM, Geforce GTX 1660 OC 6GB
Windows 10 Pro 20H2, 1x 1TB M.2 NVMe, 1 x 2TB M.2 NVMe. Affinity APh, APu, ADe

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7 minutes ago, Greyfox said:

As perhaps a simpler solution, set the blend mode of the halftone to Vivid light.

Nice one, but there seems to be a thin border left.

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Windows 10 | i5-8500 CPU | Intel UHD 630 Graphics | 32 GB RAM | Latest Retail and Beta versions of complete Affinity range installed

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5 minutes ago, Joachim_L said:

Nice one, but there seems to be a thin border left.

True. It is very faint and I hadn't noticed it.
Interestingly when I turn off the half tone layer, and zoom the image back to around 30-40%, I see a very distinct white border around the outer circumference of the gradient.

Not sure the screen grab will show it as much as it shows on my screen.

 

 

gradient.jpg

Intel i7-10700 Gen10 CPU, 32GB RAM, Geforce GTX 1660 OC 6GB
Windows 10 Pro 20H2, 1x 1TB M.2 NVMe, 1 x 2TB M.2 NVMe. Affinity APh, APu, ADe

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11 minutes ago, Greyfox said:

As perhaps a simpler solution, set the blend mode of the halftone to Vivid light.

Thank you Greyfox! I think it is better; but I'm still seeing a thin edge.

 

787723096_Capturadepantalla2021-04-28010401.thumb.jpg.b439b99b8288b6eae863e6ee16d48364.jpg


I honestly also think it is a bug.

For now, I think that with a mask I can hide that edge.

To both of you (Joachim_L  and  Greyfox), thank you very much

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8 minutes ago, Greyfox said:

True. It is very faint and I hadn't noticed it.
Interestingly when I turn off the half tone layer, and zoom the image back to around 30-40%, I see a very distinct white border around the outer circumference of the gradient.

Not sure the screen grab will show it as much as it shows on my screen.

 

 

gradient.jpg

 

Yes, I notice it too

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You can almost get round this by slightly modifying the gradient, see attached image, but there are still some ‘artefacts’ (marked in red) that don’t make for a perfect result. The gradient stop marked by the blue dot is 0% opacity, the purple stop is 1% opacity and the green stop is 100% opacity.
I’ve attached the AFDESIGN file too.

Screenshot 2021-04-28 092437.png

halftone2.afdesign

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