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Hi all,

I am trying to render a light fixture I am designing, a wall sconce to be precise.

I have modeled a light bulb, and the "shade" for the fixture is a piece of sculpted, frosted or "milky" glass. To get the milky effect I have put a little bit of SSS, and the roughness is up slightly to create a little frosting.

Now if I render without my light bulb the glass looks OK. If I turn on my light bulb I get some great light on the wall (not in way of the glass) but through the glass I see the black outline of my bulb. The glass doesn't look lit at all - I have to wait until SL 16+ to start seeing a little of the glass being lit, and still the light bulb looks black... Doesn't make any sense to me.

Could anyone suggest anything to try?

Tom.

Can you post an image?

-Brodie

Sure thing.



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I recall seeing an image slightly like this before. Under Render Options -> Illumination & Caustics are Illumination, Refl. Caustics, and Refr. Caustics, all set to "Both"?

-Brodie

If so, could you post a screen shot of your mxm settings, the SSS in particular.

-Brodie

Sure thing. Here are the settings - note that in this instance I have grabbed the settings from the Rhino/Maxwell plugin window and not the material editor, although I am assuming the results are the same!



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Well - It seems like I fixed my problem. It was a combination of settings that got me to this weird behavior. I now have what I was after, and it is starting to look great (although boy is SSS slow...) If I get it right I'll post the material to the MXM Gallery

T.

Do you know what the combo of settings was that was causing the issue?

-Brodie