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Gold flecks in render, help

heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235
in The Commons

I have messed something up and now have gold (ish) flecks in my render. I always have noise that slowly disappears as the iray render progresses, but now the noise has goldish particles that take forever to render away. (the normal white noise probably takes a long time too, but it isn't as noticeable)

Can someone help me get rid of these metalic particles?

Comments

  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235

    I figured it out. It is the firefly filter.

  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235

    Does anyone know the best setting for this. It seems like zero...

  • SevrinSevrin Posts: 6,310

    heinzerbrew_f94794efff said:

    Does anyone know the best setting for this. It seems like zero...

    The best setting for it seems to be to turn it on, leave it alone and render a bit longer.  Fiddling with it seems to cause grief.  Any remaning issues tend to be related to the materials and lighting rather than the Firefly filter. 

    Also, with issues like this, it's helpful to see the image in question.  Sometimes other users have had experience with the assets in question, and can offer specific advice.

  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235

    Sevrin said:

    heinzerbrew_f94794efff said:

    Does anyone know the best setting for this. It seems like zero...

    The best setting for it seems to be to turn it on, leave it alone and render a bit longer.  Fiddling with it seems to cause grief.  Any remaning issues tend to be related to the materials and lighting rather than the Firefly filter. 

    Also, with issues like this, it's helpful to see the image in question.  Sometimes other users have had experience with the assets in question, and can offer specific advice.

    Thanks, setting it to 0 returned things to "normal". From what I am reading, going above 0 can change the scene lighting dramatically. I couldn't find anything on negative values. I assume it is the same. I guess I will be doing some testing later.

  • Ghosty12Ghosty12 Posts: 2,065
    edited April 2021

    To help with that issue, if you have the option is under the Filtering section turn on Post Denoiser Available, Post Denoiser Enable and Post Denoiser Denoise Alpha.. This will help a lot with getting rid of fireflies and other noise..

    I also find setting Pixel Filter to Mitchell and the Pixel Filter Radius to 1.10.. You can also have the Noise Degrain Radius set to 1, it does help.. :)

    Denoising.jpg
    407 x 497 - 56K
    Post edited by Ghosty12 on
  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235

    Ghosty12 said:

    turn on Post Denoiser

    crying 4 gigs of ram here. Sadly wasn't an option on that scene.

  • MelissaGTMelissaGT Posts: 2,611

    I would use the Intel denoiser. It's done outside of Daz and therefore after the render finishes. I use it on all my pieces to clean up any last bits of grain. The best part is that because it's done as part of your post-work process, you can apply it and blend in as much or as little as you need. 

    Don't worry about not being able to use the post denoiser - you loose too much detail with it anyways. 

  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235
    edited April 2021

    melissastjames said:

    I would use the Intel denoiser. It's done outside of Daz and therefore after the render finishes. I use it on all my pieces to clean up any last bits of grain. The best part is that because it's done as part of your post-work process, you can apply it and blend in as much or as little as you need. 

    Don't worry about not being able to use the post denoiser - you loose too much detail with it anyways. 

    is that https://www.openimagedenoise.org/

     

    Edit: I just tried downloading a file there. It doesn't seem to launch. Where did you get your program? (I hope it is free)

    Post edited by heinzerbrew_f94794efff on
  • MelissaGTMelissaGT Posts: 2,611

    heinzerbrew_f94794efff said:

    melissastjames said:

    I would use the Intel denoiser. It's done outside of Daz and therefore after the render finishes. I use it on all my pieces to clean up any last bits of grain. The best part is that because it's done as part of your post-work process, you can apply it and blend in as much or as little as you need. 

    Don't worry about not being able to use the post denoiser - you loose too much detail with it anyways. 

    is that https://www.openimagedenoise.org/

     

    Edit: I just tried downloading a file there. It doesn't seem to launch. Where did you get your program? (I hope it is free)

    https://taosoft.dk/software/freeware/dnden/ 

  • heinzerbrew_f94794efffheinzerbrew_f94794efff Posts: 235

    Thanks, I will try that after I get new harddrive installed.

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