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Fractals F.A.Q (Last Updated: 2025 Jan 21 7:59 pm)




Subject: mb3d fractal noise and jagged edges


bluart ( ) posted Sat, 25 October 2014 at 3:40 PM · edited Sun, 09 February 2025 at 10:58 PM

i have made some very interesting tweak,but when i render them i can see a few jagged edges, and certain spot has noise also,how can i adjust these or avoid these situations

jacques

aka bluart


Lenord ( ) posted Sat, 25 October 2014 at 4:00 PM

I would need to see the params to really tell, usually noise can be remedied with lower Raystep Multiplier and Stepwidth Limiter settings but Lighting settings can cause noisy looking artifacts too. The Jaggies are a different story, they are usually due to the fact there is no Antialiasing in the MB3D Render Engine, the only way to get AA is by Rendering Large and saving the Image at a smaller size, the downsizing does a 2 or 3x AA when downsizing, either that or Postworking the Jaggies out that's what I do. The Monte Carlo optional Render Engine in MB3D has on the fly Antialias built in but it's is also very slow.


Remember...No matter where you go there you are


bluart ( ) posted Sat, 25 October 2014 at 4:11 PM

thank ,you lenord,if it is cause by lighting what can be done i am playing a lot with lights actualy


Lenord ( ) posted Sat, 25 October 2014 at 4:34 PM · edited Sat, 25 October 2014 at 4:35 PM

Quote - thank ,you lenord,if it is cause by lighting what can be done i am playing a lot with lights actualy

 

Well, like I said I'd have to see it but sometimes just a change in Light Angle or Intensity, the Specularity for Global light if the light is positional lights can be whether it's behind an Object or not but minus the Light Angle it's the same thing or even the overall Object Specularity, it's a trial and error thing.

The first thing to try and see if it's light causing the noise is to trun off 1 light at a time and see what effect it has on the Noise, if the noise is never affected it's not lights causing it.


Remember...No matter where you go there you are


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