3D_Replication final
I created this replication of one of Peter Milner's renders, not with AI but with sketchup (with the matchnewphoto tool), autocad and nxtrender.Critics and comments are welcome.
advanced rendering for AutoCAD
How can I use "monte carlo"
What the diferences between the monte carlo and the sandpaper sorted in the Bumps ?
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Replies to This Discussion
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Permalink Reply by Roy Hirshkowitz on
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The noise created by Monte Carlo is temporary-- it should eventually converge to smooth lighting if you let it cook long enough (and the material is smooth). The noise generated by the bump maps is permanent and will not resolve.
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The sandpaper bump useful for modeling rough surfaces-- Monte Carlo is only useful in some very specific situations-- I would use the Path Tracer instead if you want a more precise calculation.
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Permalink Reply by Ros. Riha on
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Roy, please, could you point me to the place where it is described when and why should I choose Monte Carlo?
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Permalink Reply by Scott Davidson on
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If you go to the Render settings tab you can select the Default or Path Tracer. Select the path tracer.
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I know. But I thought Monte Carlo is not being used generally in pathtracer. I thought I have to choose Monte Carlo as a shader in the material definition - my question was rather: Under which circumstances should I do so?
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Oh, yes under reflection type. Monte carlo is there. I have used monte carlo for situations that the default tracer creates big hard reflective brightspots that take a long time to resolve. I have seen it on table tops with a reflective finish that is high intensity and low sharpness, in a scene that has many small light sources in it.
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Some info here. Not applicable to the Path Tracer. It does a nice job w/ blurry reflections of light sources but does slow stuff down a lot. Really can take a long time to converge with glossy surfaces.
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thank you. So, if I understand well, once I use pathtracer, I do not have to worry about MonteCarlo...
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Correct. None of the other reflection shaders will make a difference either.
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