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Hi,

Please suggest to me how to fix this; My interior rendering is lit with Flourescent(for the recangular projections) and metal halide for the up-lights. I don't know why but i get the effect(s you see in the screen captures. They are lessened in brighter light(as in when I turn up the power of the uplights in multilight) but i need this room to be in low light. As you can see, what appears to be a reflection(it 'aligns with the stone door frame in one case) is actually an 'under-rendered' area-or has some sort of error. Any ideas?
I rendered to an SL of about 11.3 in these(its the same render each time-just one is a zoom). thanbks!!

Peter

Here are the 2 BSDF's just in case it helps. by the way I tested this problem with sunlight entering the space by removing the ceiling, and the same probleme of 'pixelisation' is occuring. the pixelisation occurs in a band in the foreground(the darker area of the tiles at45° are correctly rendered). The tiles that frame the space are a différent object with a different MXM, but the pixelisation occurs there as well. So same problem with two objects that each have their own MXML. Here are two screen captures of one of the MXM's:





Thank you-

Peter

The render needs more sampling levels to get noisefree.

Hi-

ok, I will render longer. but since two parts of the same surface rendered differently, I thought that it meant a different problem. Thanks,

Peter