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Images From Prodigy
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These pages are a copy of the official truespace forums prior to their removal somewhere around 2011.
They are retained here for archive purposes only.
Images From Prodigy // Image Gallery
Post by prodigy // Apr 22, 2007, 12:50pm
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prodigy
Total Posts: 3029
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5529
Here is a simple test with Vray 1.0 contains Glass, caustics, SubScatter Surface (SSS), Transparent Shadows, Soft Shadows and Milk!! hehhe
The most dificult is get a good result with SSS.. I try to make a milk effect but is not convincent at all.. :( and i need to add more Subdivisions to eliminate the grain, but this render 1024x768 x3 tooks 1h 10m
Dont like the glass shader, allways get Black on the borders and is not real..
Just for share something.. |
Post by Matski007 // Apr 22, 2007, 12:56pm
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Matski007
Total Posts: 539
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nice render prodigy, but yeah the milk does look more like salt heh, the grain is bad. Im not quitre sure how to describe milk, but I think a very small amount of light travels through it, and you would probably be better using a white shader with some reflection added. also to achieve a good look, adding some convincing bubbles would help ie at the top of the glass |
Post by kena // Apr 22, 2007, 5:11pm
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kena
Total Posts: 2321
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Milk is a translucent white substance. try using a plastic shader to get the transluncency. For the glasses... what happens if you put your scene inside a box of planes? |
Post by weaveribm // Apr 23, 2007, 3:23am
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weaveribm
Total Posts: 592
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An emulsion yes milk. The seen-end-on glass may have a light underneath to act as the lightpipe maybe?
kena may I ask you please? I have heard of an 'enclosing cube' or something like that, to make sure that reflected light under the Vray renderer is not tracked to outer space - a cube that one creates around a scene to cut down render times. Can you please tell me how to implement an enclosing cube like this? Is it a cube with the interior cut out and scaled to enclose the lights and objects? TIA!
Peter |
Post by splinters // Apr 23, 2007, 3:55am
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splinters
Total Posts: 4148
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This used to be a trick for cutting down radiosity calculation time...can't say I have tried it in Vray though...:confused:
Effectively you would enclose your scene as if in a sealed room (so light cannot escape in or out) and render from the camera view inside the room. It really did work in tS6.6 to cut down radiosity calculation times but Vray is so fast anyway... |
Post by TomG // Apr 23, 2007, 4:02am
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TomG
Total Posts: 3397
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V-Ray doesnt use radiosity at all. Radiosity is only available under Lightworks.
Note that GI pretty much replaces radiosity, but does the calculations in a completely different way, giving better results in less time and featuring the same items like color bleeding and light bouncing.
However, since the calculations are approached in a different way, time saving tricks on Radiosity are unlikely to be of much use for speeding up GI, eg the enclosing in a box item I do not think would have any effect on GI calculations (other than blocking the light from your external environment, so it would speed things up in that sense ;) )
HTH!
Tom |
Post by prodigy // Apr 23, 2007, 5:34am
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prodigy
Total Posts: 3029
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Thanks, anybody knows a workarround to get that black lines fixed??
I know that lines comming fron the refraction but is not good, maybe somebody knows a good workarround..:( |
Post by kena // Apr 23, 2007, 5:43am
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kena
Total Posts: 2321
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My Idea was to use 6 planes to enclose your scene. that way, the glass would not see your background color and the black would change color to your plane color. It looks like you are having a problem with the refraction doing the blackness. I suppose you could try using less refraction on the material to see if it helps as well, but then the stuff inside the glass may not look right. Try it both ways to see. |
Post by prodigy // Apr 23, 2007, 5:47am
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prodigy
Total Posts: 3029
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Thanks kena!! but i found how!!! heheheh..
in few minutes i will post a picture!! :banana: |
Post by prodigy // Apr 23, 2007, 6:15am
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prodigy
Total Posts: 3029
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Now This looks much much better.. what you think!! :D
5551
To fix this problems First:
For Vray Users only
choose Fresnel shader > internal reflections enabled > And!!! the most important set the reflections to a highest value like 0.9..
Cos i allways use low levels of reflactance to set a more realistic glass i never see the internal reflections..
Hope that helps others!! :jumpy:
IM HAPPY NOW!!
BTW, on this renders i use, HDri + transparent shadows. No caustics here.. ;) |
Post by Ambrose // Apr 23, 2007, 7:12am
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Ambrose
Total Posts: 261
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Nice!!!
Very good indeed, now fill her up with wine and fix that shadow ;)
SeYa/Ambrose... |
Post by prodigy // Apr 23, 2007, 9:13am
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prodigy
Total Posts: 3029
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Thanks.!!!
Lol, im working right now on a new tutorial to show how you can add liquids on a glass, or a bottle very quickly and with the best result as posible.... ;)
I love make tutorials but i dont have to much time.. thats a problem.. :( |
Post by jayr // Apr 23, 2007, 11:04am
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jayr
Total Posts: 1074
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that glass is brilliant! the only unrealistic thing i can see is the shadow but that would probably be fixed if you put caustics in, superb work prodigy. I'm paying more attention to this vray stuff since i ordered it! |
Post by prodigy // Apr 23, 2007, 11:41am
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prodigy
Total Posts: 3029
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Is not a finished image, just a glass test..:)
Im going to post the other image to show the diference |
Post by prodigy // Apr 23, 2007, 12:13pm
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prodigy
Total Posts: 3029
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Here is the test again.. i think is much more realistic now.. and the milk is not salt any more, now is just white ink! ahahahaha :D
5552 |
Post by frootee // Apr 23, 2007, 12:26pm
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frootee
Total Posts: 2667
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Hi Prodigy. That looks much better.
The only comment I would make is regarding the glass of milk.
The rim looks too, well, Milky i.e. white.
Other than that, it looks really good.
Frootee |
Post by jayr // Apr 23, 2007, 12:33pm
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jayr
Total Posts: 1074
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they look great, really realistic, especially the red liquid one. |
Post by kena // Apr 23, 2007, 1:01pm
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kena
Total Posts: 2321
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very much better. I agree that the milk glass gets too much white on it, but I think that is a property of your material. It is reflecting what is in the glass. If you compare that with the cool-aid in the other glass, the reflection is the same, but cool aid is clear red and milk is ... well ... Milky white :D |
Post by prodigy // Apr 23, 2007, 1:10pm
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prodigy
Total Posts: 3029
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Here is a cool example using SSS to make milk... (http://graphics.ucsd.edu/%7Ehenrik/images/imgs/milk.jpg)
Just i cant do the same result yet! ehhehe
i think the 2nd is the most realistic..
the first is more like dirty water.. the 3rd is like white ink... |
Post by rrf // Apr 23, 2007, 1:23pm
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rrf
Total Posts: 319
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Skim Milk, Buttermilk, and Milk of Magnesia
rf |
Post by frootee // Apr 23, 2007, 1:34pm
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frootee
Total Posts: 2667
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yup, I agree.
I was going to say,
skim milk
whole milk
Elmer's Glue |
Post by Ambrose // Apr 23, 2007, 5:41pm
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Ambrose
Total Posts: 261
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I remember that I've read about that image before and that he tells what he does and why in each of them, might have been a discussion on a forum as well so might be hard to find.
Sorry forgot, now it looks really really good!
SeYa/Ambrose... |
Post by prodigy // Apr 23, 2007, 6:37pm
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prodigy
Total Posts: 3029
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I've made this coke bottle, the letters were made with Bumpmapping..
5558 |
Post by mrbones // Apr 23, 2007, 7:06pm
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mrbones
Total Posts: 1280
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Looks good, Very nice, Only suggestion is dont forget the bubble, no one like coke flat!
Cheers
I've made this coke bottle, the letters were made with Bumpmapping..
5558 |
Post by prodigy // Apr 24, 2007, 11:15am
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prodigy
Total Posts: 3029
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Lol. today searching in indigo's gallery i found this nice coke bottle !!
5576
I have serious dubts about if they are using some kind of SSS shader to make the liquid.. :confused:
Who knows...
SSS doesnt support transparency yet.. |
Post by prodigy // Apr 25, 2007, 11:04am
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prodigy
Total Posts: 3029
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Looks good, Very nice, Only suggestion is dont forget the bubble, no one like coke flat!
Cheers
yup, you'r right.. :) |
Post by prodigy // May 1, 2007, 4:58pm
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prodigy
Total Posts: 3029
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Well here is another Image.. Made using Vray 1.0
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Im stressed!!! i need DOF IN VRAY!!! NOWWWW :D
I made that flower under 1 hour.. rendered at 1280x960px with Global Illumination and a spot light.
Cheers! |
Post by ProfessorKhaos // May 1, 2007, 5:35pm
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ProfessorKhaos
Total Posts: 622
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Looking great Prodigy! You sure are a producing in high gear! :)
Enjoyable works! Wish I could picture images like this in my head. Mine tend to be too "mechanical" if that makes sense. More practice perhaps will help me get in touch with my artistic side. |
Post by hemulin // May 1, 2007, 10:12pm
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hemulin
Total Posts: 1058
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Im stressed!!! i need DOF IN VRAY!!! NOWWWW :D
Not long now prodigy........5days 14hours..... |
Post by Shike // May 2, 2007, 1:06am
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Shike
Total Posts: 511
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Really like the soft dreamy look of that flower ! Great work ! :D |
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