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Posted

I am experiencing a very recent  problem with a horizontal bar or line appearing on images  in Affinity Photo Editor.  Occurs with scanned B&W negatives , scanned Kodachrome transparencies  (not present on scanned image prior to editing) and also with direct digital capture images. Where I use  tools,  for example:  Levels, Brightness & Contrast, Highlights & Shadows etc and hit Merge these random horizontal lines or bars appear on the image.  There is no consistency to this occurrence and positioning of the lines is random - maybe 0 or 4, 12....    I use the Edit button and Undo the Merge and the line disappears.  I have attached a cropped section of a scanned 4x5 negative and a crop from a digital capture image showing examples.

Any help most appreciated.

Example.jpg

Example digital capture 2 (2).jpg

Posted
1 hour ago, Moire said:

I've had exactly this issue as well, and turning off OpenCL appears to have cured it!

So, is this an issue for the graphics driver?

It is a little more complex. It is, to my knowledge, the interaction of the different components and their tolerances.

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Affinity Suite V 2.5.7 & Beta 2.6 (latest)
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