Render this: Stained glass

[MrWip]

Well done Eulgrand, the scene is missing some materials to me, but the glass is just what it should be. The bump effect create a perfect bad quality glass effect, and the caustics works well.
I've also give it a try on my scene with Kerky, but with a biased solution and the result was not convincing, so good that you gave your settings, It helps !

[honoluludesktop]

MrWip, (I like that) Any chance of posting your skp so that we can play with it? The design reminds me of a deconstructed(?) FLW design:-)

[MrWip]

Guys, good idea to share it, I will post it... but I just realize that I forgot the file on my office computer so we have to wait till monday ....

I will prepare it with different layers, presenting different variation (thickness, type of image, etc...), so we can all refer to the related scenes when we post a render and explain a technic.

[dale]

A first Attempt building on an earlier stained glass piece. Modeled the door windows after Charles Rennie Macintosh's original windows for the Glasgow School of Art. Tried to give it a moonlit ambience for a change. Rendered in Kerkythea, preset 12. Hope I have time to play with it some more.

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[Gaieus]

Looks promising, Dale. The coloured light spots and even caustics look cool though I have to say that I find the glass (window) itself a bit "dull".
Also, some (very faint) volumetric light would really enhance this image - I know Kerky can do it.

All in all, I like it a lot (and all the other contributions - it's very useful, too IMO).

[dale]

Thanks Gaieus I tend to agree. At first I liked the moodiness, but I think the glass need more attention. I hope to get some time to fool around with it some more. I'm still really new to this, and each challenge teaches me a lot, both with what others do,and the settings they discuss.

[d12dozr]

My first attempt...I'm a rendering noob, and I tried IDX Renditioner Express and Podium, but couldn't get the light cast from the window to be colored. This is with IRender nXt. I really like the edge highlighting setting. It needs a lot more tuning...any tweaking suggestions?

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[Gaieus]

@dale said:

Thanks Gaieus I tend to agree. At first I liked the moodiness, but I think the glass need more attention...

I might suspect that in fact there's nothing outside that would "liven up" that glass. Did you solely use the sun for lighting and no other geometry to reflect outside? If so,maybe an intensive hdri background could do the job.

@d12dozr said:

This is with IRender nXt. I really like the edge highlighting setting. It needs a lot more tuning...any tweaking suggestions?

Well, to me it still looks much better than anything I could do.

[arail1]

I especially like the 'watery' quality of the light coming through Eulgrand's window. It makes me think there are trees outside, moving in the wind and the reflections on the wall are in motion. Very convincing to my eye.

[david57]

BubbaLove has the best one. Its Excellent.

[EscapeArtist]

Wow, there are some excellent renders here. I better get to work!

[MrWip]

Your render is charming d12dozr, IRender give good result on this kind of effect (by the way, maybe you should just add some more segment on the round opening...)

Here is my sketchup files, if people want to give it a try!

Stained_Glass_Challenge.zip

[dale]

Well I figured Macintosh would probably have made the woodwork white, so I changed this and used an HDRI sky, and a little exposure and Gamma tweak. Still Kerlythea

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[Eulgrand]

@arail1 said:

I especially like the 'watery' quality of the light coming through Eulgrand's window. It makes me think there are trees outside, moving in the wind and the reflections on the wall are in motion. Very convincing to my eye.

Thanks Arail1. That's right, there's a global with trees outside. Thte "watery" effect is due to the procedural Perlin noise in the bump channel.

I attach my KT material. Hope this helps.

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Vitrail.mat.zip

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[solo]

[dylan]

There is some great looking stained glass here.

Is it possible to get this coloured light coming through using Podium?

[trillium]

hi MrWip, thank you for sharing your fabolous model! how did you generate all the individual pieces of glass from the original image? did you trace each piece in Sketchup? or is there an easier way to do that? thanks again!!!

[MrWip]

Richcat, the first image is a bit too burnt for me, but the church is a great peace of work ! (but is it originally a sketchup model... I guess most of the things are just maps, but it looks great )

Solo, the quality of the glass is really good with a nice bump and interreflexion. To me the picture is missing some contrast, and the caustics looks maybe a bit 'watery'

Trillium, all the glass have been redraw by hand, with the freehand tool (about 30 minutes). I've try the good old photoshop technic : selection --> path --> export to Ai --> DWG ... but the shape was too unprecise, and made of too much edges...

[Al Hart]

Thanks for the model WIP. I've been playing with it for a day or so. There are lots of things to play with - like the amount of transparency, translucency, refraction, and daylight processing for the glass. And the lighting outside. Rather than direct sun, I chose a sunset sky HDRi for the sky. It gives an interesting, different effect.

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[EscapeArtist]

OK, here's my "entry. I'm having no end of trouble with the textures, so this is still a WIP. Maybe I'll get around to finishing it, but I have a real window I need to work on.

All SU and Kerky.

Edit: I said I was done messing with this but I guess I lied. I couldn't stand leaving it half-finished, so I kept working on it. First shot is the whole thing, the second part is a closeup of the glass - the far view doesn't show the bump mapping. It's all geometry: Window 9' high, 1/4" thick glass, lead cameing is 3/8" and up in thickness. An absurd 800K polys thanks to the lead came.