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Posted

Affinity Photo v1.10.4.1198 on Windows 10 Pro 64 bit 21H1

Take the "original" file, add a "Dust and Scratches" filter. A white grid will appear on the image. The grid will also appear in the preview icon generated for Windows Explorer. The grid will appear in the exported full resolution JPEG image too.

All files attached

OpenCL is off, card is a GTX 1660 Ti

grid_bug.png

grid_bug_icon.png

DSC03077-with-dustscratches-exported.jpg

DSC03077-original.afphoto DSC03077-with-dustscratches.afphoto

Posted

Your document is RGB/32

The dust and scratches filter (for me) is greyed-out in the menus but not in the Layers Panel(?)

 It may be intentional that you can't use this filter for RGB/32 documents

RGB/16 and RGB/8 work fine

To save time I am currently using an automated AI to reply to some posts on this forum. If any of "my" posts are wrong or appear to be total b*ll*cks they are the ones generated by the AI. If correct they were probably mine. I apologise for any mistakes made by my AI - I'm sure it will improve with time.

Posted

The dust and scratches filter is set to zero. If you set it to something, or if you enable the defringe filter, the lines disappear, but I have no idea where they come from in the first place! 

Acer XC-895 : Core i5-10400 Hexa-core 2.90 GHz :  32GB RAM : Intel UHD Graphics 630 : Windows 11 Home
Affinity Publisher 2 : Affinity Photo 2 : Affinity Designer 2 : (latest release versions) on desktop and iPad

"Beware of false knowledge, it is more dangerous than ignorance." (GBS)

  • Staff
Posted

Hi @frank26080115,

This is actually a bug.  You shouldn't be able to use the Dust and Scratches filter on a 32bit document, which is why its greyed out on the Filters menu and it should be greyed out on the Layers Panel menu, but its not.  So these results are some what expected.

 

 

 

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