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Frequency Separation Crash


Tom Wang

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Affinity Photo crashes every time a frequency separation filter is beeing applied to a 16 Bit image with the size of 6192x8256px with Adobe RGB (1998) color profile. What's quite odd, reducing the document size by just a single pixel OR changing the color space to sRGB solves the problem.

macOS 10.15.3

Affinty Photo 1.7.3

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Hey Tom,

I'm still unable to reproduce the crash using your afphoto file. I've tried the different layers and increased the sliders etc.

Reducing the document size by a single pixel to prevent the issue baffles me too. The only thing I noticed that it can take upwards of a minute for the filter to be applied so it may be stretching your resources as my iMac failed to respond to anything during this time.

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I was also just able to narrow down the cause for the strange pattern when exporting files (which also comes up when you merge down layers within the document). It's caused by a live filter (gaussian blur in this specific case) that has been applied to the mask of a curves adjustement layer (in order to soften the edges of the mask, a feature that a used very often in PS, which had it beeing built in the to mask attributes). It disappears as soon as I delete the live filter and blur the mask permanently with a regular gaussian blur filter.

 

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