KavinduMathish Posted February 14, 2022 Share Posted February 14, 2022 Hey. I am facing a issue with the render passes i get from the pyro shader. As seen in the GIF after i shuffle all the passes and put them back together the result is slightly different. I have my smoke(density) pass, the scatter pass and the fire pass. But when I put them back together it's slightly off. Slight off means as soon as i add the scatter pass it introduces some sort of noise. I am not sure what's going on. What could be wrong? Doing the add operation on the layer. That's what i usually use when putting passes back together so don't think theres an issue there. Quote Link to comment Share on other sites More sharing options...
davpe Posted February 14, 2022 Share Posted February 14, 2022 aren't you using denoiser or something? i think that does not process AOV's (at least not by default). Quote Link to comment Share on other sites More sharing options...
KavinduMathish Posted February 14, 2022 Author Share Posted February 14, 2022 6 minutes ago, davpe said: aren't you using denoiser or something? i think that does not process AOV's (at least not by default). Hey. Nope I haven't used any denoiser. Quote Link to comment Share on other sites More sharing options...
davpe Posted February 14, 2022 Share Posted February 14, 2022 ok is the scatter layer by itself noisy when u look at it alone? or does it only happen after you put them together? Quote Link to comment Share on other sites More sharing options...
KavinduMathish Posted February 14, 2022 Author Share Posted February 14, 2022 Just now, davpe said: ok is the scatter layer by itself noisy when u look at it alone? or does it only happen after you put them together? It is noisy when looking at it alone. You can see it in the GIF. I go through each pass. It is noisy alone. And it adds that noise when all the passes are put together. But the original beauty pass does not have that noise. I will share the EXR file. If possible only take a look. What my goal is to separate the passes scatter, fire, smoke etc and tweak them a bit and put them back together. Mainly the scatter pass is what i want to tweak. Snap_17.0024.0.exr Quote Link to comment Share on other sites More sharing options...
lukeiamyourfather Posted February 14, 2022 Share Posted February 14, 2022 Try increasing stochastic samples (by a lot). Quote Link to comment Share on other sites More sharing options...
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