Simple Interiors Thread

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CTZn
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Re: Simple Interiors Thread

Post by CTZn » Wed Feb 27, 2013 12:52 am

Mor4us wrote:maybe one of the devs could at least take a statement to the heavy grain? maybe i did setup sth wrong?
Well, you did not use exit portals, and in the other hand, PT, EP and direct sun light do not cope well together.

Since the scene seems not to fit in your GPU RAM(?) in order to "brute-force" (but smartly ;)) the render, bidir + MLT is strongly advised. And, therefore, Exit Portals (they love bidir).

Did you seek optimizations for the displacement ? I'd recommend that pixel size and planarity (angle) optimizations would be used.

Bidir + MLT is the key, because it's an even better technology than GPU can use. Whatever the reason though, that combo is a must in case of doubt.
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Re: Simple Interiors Thread

Post by Zom-B » Wed Feb 27, 2013 1:09 am

Noisy Phong Reflections are THE main drawback/problem of Indigo!
This image would be clean after 1h without that "Phong Situation"...
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Re: Simple Interiors Thread

Post by OnoSendai » Wed Feb 27, 2013 1:35 am

Mor4us wrote:thanks for the kind words foxar
rendermode was PT+BiDir
I tried this mode with exit portals before but somehow it turned out that the glossy reflections cleared even slower compared to not using exit portals
I thought about about using gpu acceleration but the heavy subdiv for displacement and big texture files (used 12GB RAM) are way to much for my small 756mb gpu :-/


maybe one of the devs could at least take a statement to the heavy grain? maybe i did setup sth wrong?

best regards
Phong and specular materials converge quite slowly with exit portals with sun/sky lighting. It's a known problem. I have some plans on how to improve it.

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Re: Simple Interiors Thread

Post by Mor4us » Wed Feb 27, 2013 2:08 am

OnoSendai wrote:
Mor4us wrote:thanks for the kind words foxar
rendermode was PT+BiDir
I tried this mode with exit portals before but somehow it turned out that the glossy reflections cleared even slower compared to not using exit portals
I thought about about using gpu acceleration but the heavy subdiv for displacement and big texture files (used 12GB RAM) are way to much for my small 756mb gpu :-/


maybe one of the devs could at least take a statement to the heavy grain? maybe i did setup sth wrong?

best regards
Phong and specular materials converge quite slowly with exit portals with sun/sky lighting. It's a known problem. I have some plans on how to improve it.
that's why I rendered WITHOUT ExitPortals ;)
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Re: Simple Interiors Thread

Post by OnoSendai » Wed Feb 27, 2013 6:07 am

Mor4us wrote:
OnoSendai wrote:
Mor4us wrote:thanks for the kind words foxar
rendermode was PT+BiDir
I tried this mode with exit portals before but somehow it turned out that the glossy reflections cleared even slower compared to not using exit portals
I thought about about using gpu acceleration but the heavy subdiv for displacement and big texture files (used 12GB RAM) are way to much for my small 756mb gpu :-/


maybe one of the devs could at least take a statement to the heavy grain? maybe i did setup sth wrong?

best regards
Phong and specular materials converge quite slowly with exit portals with sun/sky lighting. It's a known problem. I have some plans on how to improve it.
that's why I rendered WITHOUT ExitPortals ;)
Ok. if you can replicate the problem on a simpler scene, send it to us and we can have a look.
Thanks,
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Re: Simple Interiors Thread

Post by OnoSendai » Wed Feb 27, 2013 6:15 am

Zom-B wrote:Noisy Phong Reflections are THE main drawback/problem of Indigo!
This image would be clean after 1h without that "Phong Situation"...
Are you saying all phong mats are noisy? Or just metal ones?

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Re: Simple Interiors Thread

Post by Zom-B » Wed Feb 27, 2013 6:37 am

OnoSendai wrote:
Zom-B wrote:Noisy Phong Reflections are THE main drawback/problem of Indigo!
This image would be clean after 1h without that "Phong Situation"...
Are you saying all phong mats are noisy? Or just metal ones?
Actually both, I attached a simple scene, but have no CPU spare time to render it longer :/
I hope it shows the problem...
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Re: Simple Interiors Thread

Post by pixie » Wed Feb 27, 2013 7:37 am

Zom-B wrote:
OnoSendai wrote:
Zom-B wrote:Noisy Phong Reflections are THE main drawback/problem of Indigo!
This image would be clean after 1h without that "Phong Situation"...
Are you saying all phong mats are noisy? Or just metal ones?
Actually both, I attached a simple scene, but have no CPU spare time to render it longer :/
I hope it shows the problem...
MLT does the trick I guess, and on it interiors it's king.

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Re: Simple Interiors Thread

Post by dcm » Wed Feb 27, 2013 7:38 am

Its king but not "long distance runner". PT Bidir is more linear, MLT is quite fast in few hours but noise is dissapearing deadly slow after.

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Re: Simple Interiors Thread

Post by CTZn » Wed Feb 27, 2013 8:08 am

Most probably correct from you dcm. I recon that unbiased rendering methods and MLT in particular may impose a certain relationship with noise, should, IMHO.

I'd rather trust people on the field on a daily basis like you guys ;)
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Re: Simple Interiors Thread

Post by Mor4us » Wed Feb 27, 2013 9:26 am

just to show arthurs argument, I rendered the enhanced image
here's the progress from 100 spp to 10k spp
Image
Image
Image
Image
Image
Image
Image
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Re: Simple Interiors Thread

Post by Pibuz » Fri Apr 12, 2013 9:11 pm

Moving the topic from the simple rendering thread.
..well this is quite not simple but I can't work on it too much so it doesn't deserve a dedicated new topic :D

So here's an update!

What do you guys think?
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Re: Simple Interiors Thread

Post by Zom-B » Fri Apr 12, 2013 10:30 pm

Looks neat Pibuz!

Only thing that strikes me ist that the whole area left and right from the camera seems quite dark, not regarding rendering, but regarding the architecture I miss some windows there to lit the area :)

Also some quick Pohotoshoping can help leting the area look friendlier, I took the freedom to invest 1minutes and show a example:
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Re: Simple Interiors Thread

Post by Pibuz » Fri Apr 12, 2013 10:38 pm

Good postpro Zom-B! I have to say I did some on the raw render too.. Gonna post the before-after later on. :D

..The left and righ alleys are basically underground, so they'll be lit only artificially (still have to add the spotlights). I have no responsibility on the project, only doing the renders, so my philosophy here is: who cares? :lol:

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Re: Simple Interiors Thread

Post by JK » Fri Apr 12, 2013 10:57 pm

Dont get me wrong - guess this is just my curiosity - but you really think that making this scene "whiter" makes it more user-friendly Zom-B? I mean is it something from your experience or just ur kinda taste? Im still learning much about 3d-rendering, mostly lacking time and my work is still quite amateur but... But what Pibuz presented on the first render without that post-pro looked pretty much more user-friendly to me. The whole place was warmer like a library should be. Still needs detailing I guess but Pibuz said that already.

Cheers!

edit: plz read the word "user-friendly" as a synonym of "friendly" ;)

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