How do you make realistic stained glass in iray?
Pleblu
Posts: 32
I've been wanting to create renders working with stained glass, like the kind in chruches. Has anyone had any luck achieveing this?
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Changing the glossy color should be enough to tint both the glass and the light that goes through it.
Im not sure what you mean by tinting it? Would I input the texture map into the glossy color?
The best glass is made by using a geometry with volume. The typical glass effect uses the thin-wall setting because the "glass" is only one polygon thick. Iray has to fake the whole thing; the glass you want is physically about 1/4" thick.
If you don't want to model it yourself, you might try locating a stained-glass window prop where the glass is modeled with a thickness. You can then apply a standard (non-thin) glass shader to it. You can try pitting the texture map into various channels to see what works best,
Most stained glass has large imperfections caused by rolling of the sheet, and you'd want these to show through. This could be handled by a large "noise" texture that causes the distortions.
Yes, if you have a texture map of colored stained glass put it too in the glossy color. At least, that is what I did in this image: http://www.daz3d.com/gallery/#images/96882
Also, Daz Studio recommends using the refraction color slot for tinting glass. Documentations talks specifically about thin walled glass. I have made some simple test and I have not seen any difference between using glossy versus refraction colors (maybe render times?),using thin walled or not, with or without geometry; so I don't know.
By the way; refraction color is opened when having glossy inputs set to OFF.