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After update, teeth always have pink fireflies

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  • Richard HaseltineRichard Haseltine Posts: 100,493

    Andrew_C said:

    Richard Haseltine said:

    There were updates for Default Resources, Sceen Builder, and the new templates to go with the beta release of DS. In DIM one of the sort order options in the Installed tab should be Installed Date, which might help figure out what was updated - though I don't think any of the Iray shaders etc. have changed recently.

     

    So should we only be seeing these if we have the Beta installed? because AFAIK I have the release version (4.21.0.5)  which is the latest I see in DIM. can I uninstall thouse updates if i shouldnt have them?

    Unfortunately not - the update was a full new package, so that is what you have now. I don't know if it is expected to be an issue in the general relase, I would assume not or they would not have released it this way

  • crosswindcrosswind Posts: 6,838

    Richard Haseltine said:

    Andrew_C said:

    Richard Haseltine said:

    There were updates for Default Resources, Sceen Builder, and the new templates to go with the beta release of DS. In DIM one of the sort order options in the Installed tab should be Installed Date, which might help figure out what was updated - though I don't think any of the Iray shaders etc. have changed recently.

     

    So should we only be seeing these if we have the Beta installed? because AFAIK I have the release version (4.21.0.5)  which is the latest I see in DIM. can I uninstall thouse updates if i shouldnt have them?

    Unfortunately not - the update was a full new package, so that is what you have now. I don't know if it is expected to be an issue in the general relase, I would assume not or they would not have released it this way

     I checked and rendered some scenes for comparison, haven't found any issue yet... so far so good.

  • fearthefailurefearthefailure Posts: 88

    Found the problem for me.  I got those better renders this morning by accidentally rendering in 4K.  I only just noticed that I was in 4K.  QHD and lower resolutions spontaneously and permanently broke for me.  I switched back to 4K and the blotches / fireflies all went away again.  This is odd because my previous renders were all in QHD and came out perfectly fine.  My FHD renders were fine too, but I just wanted sharper images, so I went higher resolution and scaled down via code.  Results = lovely!  1080p doesn't even hold a candle by comparison.  I'll need to redo the math, but I can work with this.  It takes longer to render, but I'll eat that one to have this issue resolved in the end.

    Despite my technical chops, I can't explain why this is the case because I'm not that type of programmer and most of my expertise is in hardware and networking.  I'm as confused as anyone else.

  • crosswindcrosswind Posts: 6,838

    I've never seen such or similar 'difference' in b/t 2K 4K or 8K with GPU rendering, not sure if that's a 'feature' by rendering with CPU or whatever other reasons...

  • fearthefailurefearthefailure Posts: 88

    Nah, it's not a feature of the rendering method.  I'm only talking about the benefits of scaling down coming from having a higher resolution image and all its data resized via zoom controls.  Any additional data the display is capable of showing will manifest.  Contrary to advertisements and popular belief, digital resolution and hardware resolution don't perfectly match.  Many displays have more actual pixels than they're rated for.  As long as they have the exact count or more it's fine; they just can't have less.  It's really cool.  Like, some displays protect themselves from burn-in by shifting static images in multiple directions over time.  When an image isn't big enough to use those extra pixels, the monitor / TV turns them off along the bezel edge.  Most people can't see the difference in the size of the bezel, but there is a measurable difference.  The zoom resizing method takes advantage of that by virtue of those displays having a higher pixel density than the ones with the exact count.

  • crosswindcrosswind Posts: 6,838

    fearthefailure said:

    Nah, it's not a feature of the rendering method.  I'm only talking about the benefits of scaling down coming from having a higher resolution image and all its data resized via zoom controls.  Any additional data the display is capable of showing will manifest.  Contrary to advertisements and popular belief, digital resolution and hardware resolution don't perfectly match.  Many displays have more actual pixels than they're rated for.  As long as they have the exact count or more it's fine; they just can't have less.  It's really cool.  Like, some displays protect themselves from burn-in by shifting static images in multiple directions over time.  When an image isn't big enough to use those extra pixels, the monitor / TV turns them off along the bezel edge.  Most people can't see the difference in the size of the bezel, but there is a measurable difference.  The zoom resizing method takes advantage of that by virtue of those displays having a higher pixel density than the ones with the exact count.

    OK, understood...

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