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andy.farrar

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  1. Thanks for that. Next time the problem occurs I will try to do a video capture and also provide the file I'm working on.
  2. My use case - and this would be the same for almost everyone else doing astrophotography based on tutorials I've seen and conversations I've had - involves using the levels adjustment (and also the curves adjustment) while watching the effect on the histogram closely. This could be on the whole image or on a selection. So unless other personas have a levels control and selection (and I don't see any that do), then it looks like you're suggesting that Affinity Photo can't do what I need it to do. I could handle the histogram being a background task if there was a "refresh" option somewhere to kick it back into life. IS that waht the little warning triangle on the histogram is supposed to be? Because it does nothing when I click it. Given the issue tends not to recover once it has happened, even after several minutes (the longest I've left it is about 20 minutes), it really looks more like a bug than a legitimate "it's a background task so it might take a while" thing.
  3. Thanks for the response. I will try to capture some video of this next time it happens. There isn't any particular file involved here - it happens eventually on pretty much every file I edit. My usage doesn't seem that complex to me - a few layers for sure, but I don't use a lot of selections, and I tend to merge my live adjustments and filters often rather than keeping them live, in order to help performance. the images I work on are 18 megapixels maximum (the resolution of my camera), but often a lot smaller as I tend to crop most of them. The image I was editing today when this happened is two pixel layers and a single levels adjustment layer on top. When the problem occurred, only one of the pixel layers was switched on and I had no active selections. Can't get much simpler than that. When the problem occurs, I do fire up Task Manager and look at CPU, disk and memory usage - I have yet to see them really high when this occurs, and once the levels histogram has disappeared or the main histogram has frozen, I can leave it for several minutes with the system pretty much idling and the histograms usually don't recover.
  4. This seems to have been a problem for a long time, and I know there's a forum entry for it in the "pre 1.10 bugs" area, but that doesn't seem to be active. I saw something about it maybe being fixed or improved in 1.10, but I don't see any improvement. I regularly have the histogram in "Levels" adjustment layers freeze or disappear. Sometimes they recover after a few minutes, sometimes I have to restart Affinity Photo to resolve it. This also happens quite often to the main histogram view as well. I rely heavily on histogram displays for astrophotography processing, and if they're not working, then I just can't do the editing I need to do in Affinity. I am on Windows 10 (up to date), core i7 CPU with 32 GB RAM. Graphics card is a GeForce GTX1650 (nvidia driver up to date). I have tried this with hardware acceleration on and off, and also with the renderer set to WARP instead of the GTX1650. None of those settings have made an discernible difference, other than slowing some other things down. Is this issue still being looked at? IS there any word on timing for a fix? In the meantime, is there any way in Affinity that I can force the histograms to refresh?
  5. This seems to have been an issue for a long time. I've run into it several times today whilst editing astro photos, and it's driving me potty...... I totally rely on histograms at various stages of the editing process, and this is just not reliable. Moderators - is this actively being looked at? Or is it in the too hard basket? I love so much about Affinity, but this issue is close to sending me back to Gimp.
  6. Maybe - but this bug report is Windows, not Mac.
  7. I'm having the same issue. Version 1.10.5.1342. I timed one delay this evening of over 5 minutes - probably the worst yet. No selection made, only two layers in the document, which is only 4 megapixels. the layer I was adjusting did have a couple of other live adjustment layers on it as child layers, so that might make a difference. I have found when this happens that saving the afphoto document can kick the delay and get things going again.
  8. Hi Dan - thanks for the response. I have had more of a play with this today, and can confirm the median brush is working. As you say, it's effect is extremely subtle, even with everything set at 100% - way more subtle than the median filter, and almost unnoticeable unless you zoom to pixel level. Is there any way to control this level of subtlety on the brush?
  9. Windows 10. Latest Affinity Photo (1.10.5.1342). GeForce GTX1650 graphics. With hardware acceleration on, median brush does nothing, and the brush preview just displays as transparency. With hardware acceleration off, the brush preview no longer shows as transparent, but the brush still does nothing. Tests on various images from a simple jpeg to 16 bit tiff. Using median blur filter instead of the brush works fine. Other brushes in the same category (blur, smudge, sharpen) work fine as long as I have acceleration switched off.
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