Hello,

I think this topic goes here because it's about lighting, though I'm not sure it's a really hot radiosity topic from what I know of that so far. Anyway, I have a model of a church, and I want to make stained glass windows, I have images I photographed that I could use for decals, but I would like to make the light shining through the windows be influenced by the colour, especially the cobalt and the reds. But, I want the window to still look vivid (i.e., too much "transparency" disappears my lovely window). I would like patterns of coloured light to come through the window. I have a lighting reference that says this is possible, but the the example they give is only a finished render, with no indication of how they did it.

Is this possible?

Seana

I can see two ways to do that. One is to use light gels.

For a finer control, use two patches one behind the other. The front one, the one you see in the render, would have ambiance to 100% and cast no shadows. The one behind, would be transparent where you adjust the transparency to get the colored light effect you are looking for. You need to set the transparent patch's Index of refraction to 1.01 (actually anything larger than 1 but for stained glass, this is what you want) to get a good filter effect.

Excellent! I'll try your suggestion with the 2 panels, but read up on gels in case I need them elsewhere.

Seana

PS so far so good with the two panel method. I'll post an image, hopefully by Sunday.