Glass Challenge (all render engines)
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@unknownuser said:
Following your tutorials andeciuala.
Thanks again.that's great comgratulations!!!
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@fletch said:
some good stuff here, folks!
there's a great little tutorial put together by Patricks about modeling this type of "liquid in a glass" scene found on Kerkythea's forum in this thread.
here it is:
YEAH!!! that's exactly what i've tryed to show on video. thank's man!
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great tutorial, fletch.
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Wow. Great!
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SketchUp + Kerkythea
Modeling as per my previous post (confirmed by Fletch
)
Rendered using a global from sIBL Archive.
Preset 20 - Metropolis Light Transport (BPT) / 150 passes
Still a bit grain, some of it removed with Neat Image.
Once again, missed the caustics
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@eulgrand said:
Once again, missed the caustics
But I can see the caustics...
Why do you say you missed it...???
It's a really great render...!!
Nice detail with the bubles in the champagne...! -
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I see some refracted light on the tabletop, especially on the rear-most glass.
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@thomthom said:
Where's the caustic?
Are you blind...???
@escapeartist said:
I see some refracted light on the tabletop, especially on the rear-most glass.
Exactly...
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Thanks EscapeArtist & Frederik. I meant I would have prefered to have these caustics sharper, like in Thomthom's first image.
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@frederik said:
@thomthom said:
Where's the caustic?
Are you blind...???
@escapeartist said:
I see some refracted light on the tabletop, especially on the rear-most glass.
Exactly...
To me that just looks like reflected light. Not caustics. This is what I expect from caustics: [http://en.wikipedia.org/wiki/Caustic_(optics](http://en.wikipedia.org/wiki/Caustic_(optics))
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@thomthom said:
To me that just looks like reflected light. Not caustics. This is what I expect from caustics: [http://en.wikipedia.org/wiki/Caustic_(optics](http://en.wikipedia.org/wiki/Caustic_(optics))
Not sure why the link you've posted to Wikipedia doesn't give a result...
But I'm well aware about what caustic is all about...
And It sure isn't reflected light in that render... -
hmm.. it didn't convert my URL that well...
So caustics isn't the light effect you see in the images on that page?
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@thomthom said:
So caustics isn't the light effect you see in the images on that page?
Not sure what you mean, Thomas...
What I say is that it's caustic I see in the render Eulgrand posted and not just light reflections... -
I'm trying to work out what is the cautic effect in it. ...oooh... wait. is it in the shadow on the right side of the glass furthest in the back? Looking now it looks like some light in the middle of it. A very very faint effect?
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Thomas... The ironi in your post doesn't really suit you...
What is it you're trying to achieve with a post like that...???But yes... Although it's not a very clear caustic, it sure is caustic...!
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@frederik said:
Thomas... The ironi in your post doesn't really suit you...
What is it you're trying to achieve with a post like that...???But yes... Although it's not a very clear caustic, it sure is caustic...!
Sorry. That wasn't irony. I actually noticed it while I was typing up a question. I guess I should have edited the first bit. Didn't mean to come across as a jerk.
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No worries, Thomas...
You didn't offend me...Here's a couple I just did...
1st 1 min 6 sec
2nd 7 min 52 sec
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I think the reason why the caustics are that weak is because the scene is lit by HDR.
Sun light would definitely show more caustics imo. -
@kwistenbiebel said:
I think the reason why the caustics are that weak is because the scene is lit by HDR.
Sun light would definitely show more caustics imo.I think you have it there. Multiple light sources seem to have washed them out. If the scene was rendered with those glasses in sunlight, I'm sure they'd throw some nice caustics.
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