Indigo 0.8 stable

General News and accouncements regarding the Indigo render engine
lekane
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Post by lekane » Tue May 22, 2007 9:35 pm

WOW!! Haven't use Indigo since 0.6 and i gotta say it's getting somewhere!! After all the python errors (thx blender for changing to python 2.5 :p), I manage to export with Blendigo, and WTF!! this is great, keep it up :D

8bstudio
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Post by 8bstudio » Thu May 24, 2007 7:41 pm

Too great Ono! Thanks!
No words for your job!!! :shock: :shock: :D

SimonLarsen
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Post by SimonLarsen » Fri May 25, 2007 3:34 am

The new Indigo is great.
Much faster and better renders.

Is it just me, or doesn't it take as much from you computer as the earlier Indigos?

Anyway, great job Ono.

naxos
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Post by naxos » Fri May 25, 2007 6:58 am

many thanks !

you should have a look at the newFryRender's feature... to speed up rendering, they are now using "Exit Portals"...
sort of "capping-geometries" to help rays to stop rendering...

more here : http://www.fryrender.com/sh_images/tuts ... ortals.pdf

looks like good idea...

regards

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Zom-B
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Post by Zom-B » Fri May 25, 2007 7:10 am

interesting paper naxos!

could such a technic be perhaps somehow automated for (some) scenes???!
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StompinTom
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Post by StompinTom » Fri May 25, 2007 7:54 am

naxos wrote:many thanks !

you should have a look at the newFryRender's feature... to speed up rendering, they are now using "Exit Portals"...
sort of "capping-geometries" to help rays to stop rendering...

more here : http://www.fryrender.com/sh_images/tuts ... ortals.pdf

looks like good idea...

regards
to me it just looks like the same approximate effect could be achieved by placing meshlights in front of windows, or at least meshlights mapped with a portion of the sky texture.
so what if, once meshlights become texturable, the physical sky is mapped on in a global/spherical way onto certain meshlights that are placed infront of the windows?

StompinTom
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Post by StompinTom » Fri May 25, 2007 7:57 am

"Pitfall. Exit Portals cap the exterior view.
As of this moment (vBeta1.6) Exit Portals understand that
beyond them there's only the environment, and not geometry.
This means that if you're using portals to, let's say, mark a
window, the exterior geometry (if any) will not be rendered.
This is a limitation for interior scenes where there's exterior
geometry visible such as those in Figure 7. Those cases
can't benefit from Exit Portals."

so its basically putting meshlights infront of windows and using the bidirectional advantages of bidirectional pathtracing, as far as i understand.

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suvakas
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Post by suvakas » Fri May 25, 2007 8:16 am

I still think, that invisible meshlight would be a good solution for speeding up renders like this. I talked to Ono about it and as far as i understood, then it is not a very hard thing to do.
Hey Ono, meshlight in window opening still renders way faster than the new hybrid mode. Maybe it's worth to try the "null" option for meshlight?

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CTZn
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Post by CTZn » Fri May 25, 2007 10:15 am

Maybe it's worth to try the "null" option for meshlight?
If you mean invisible emitters I was requesting that a few weeks ago, along with true volumetrical emision

http://www2.indigorenderer.com/joomla/f ... 1458#21458

:D 8)
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ThatDude33
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Post by ThatDude33 » Fri May 25, 2007 10:46 am

wow. I sorta left these forums when 7 was just released, I'm amazed at how much progress has advanced! Great work ono!
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Zom-B
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Post by Zom-B » Fri May 25, 2007 2:54 pm

nice to see your coffee cup around here again dude ^^
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Kram1032
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Post by Kram1032 » Sat May 26, 2007 8:41 pm

Blendigo exprots lights with a null mat.

If you mean, you don't want to see the shape, ther is ONE way....

Make the thing smaller than one pixel (or half a or a third or such, depending on the SS value....)

The other way is, to just don't show the light from camera angle and ensure, that there is no reflection of it...

Hi ThatDude! Nice to meet you after so long time ;)

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suvakas
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Post by suvakas » Sat May 26, 2007 9:23 pm

I want to cover the window openings with meshlights. Try it. The noise clears out way faster that way. The only reason why i want meshlights to be invisible is, that i want to get the direct sunlight to be able to get in through the windows too.
Puting meshlight over window is an old method of geting better and faster light distribution to the room. I'm using it in vray every day. It would not make Indigo more biased cause the solution would still be correct.

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OnoSendai
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Post by OnoSendai » Sat May 26, 2007 9:30 pm

Interesting that fry is seeing such speedups from exit portals.. might have to give them a try :)

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Kram1032
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Post by Kram1032 » Sat May 26, 2007 9:30 pm

uhm...
Maybe, you'd have to make very weak emitters, withg a null as base material

(Or maybe, would be a funny test, a glass mat^^)

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