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03-14-2017, 01:23 AM   #16
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QuoteOriginally posted by Culture Quote
I have never seen this problem. But I guess I should keep my eye open.

Can I request this to be moved to the Pentax Linux club later for referencing sake. This is good information here.
I checked RawTherapee on Windows and the patters is there too. Now I am convinced that the issue is caused by the demosaicing algo.
Feel free to share my post.
VNG4 algorithm does not produce aforementioned pattern.
As for the suggestions that the output resolution might have something to do with the problem, I can see the pattern on many zoom levels in the editor view port and in exported output with couple of crop sizes.

03-14-2017, 04:06 AM   #17
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I think It would be good to report this to the developers, so they may fix the issue,
03-14-2017, 04:41 AM   #18
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QuoteOriginally posted by dannny Quote
I think It would be good to report this to the developers, so they may fix the issue,
I don't think it's a fault or problem with the software, per se. It's the way certain demosaicing algorithms work. I'm not sure what the various advantages or disadvantages are of each algorithm, but this is why - in some software (RawTherapee, for example) a choice of algorithms is offered...

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