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General => Image Sharing => Topic started by: Hannes on March 21, 2019, 10:20:22 am

Title: Robot games
Post by: Hannes on March 21, 2019, 10:20:22 am
Sorry for being a bit absent recently, but I'm quite busy at the moment, and I couldn't find the time of looking through all the great new postings here.

This is a scene for testing materials for path tracing, since reflections for example look very different.
The scene is completely lit by luminous materials: I used two sets of identical objects (the neon tubes at the ceiling and the light above the door): one set is invisible with a strength of 300, and the other set is visible and has a multiplier of 1.
This was necessary, because visible luminous objects with a multiplier of 300 looked very unnatural and completely overexposed.

I had to increase the exposure of the camera to 2.5 to get the right lighting.

There's a lot of objects in this scene. I purchased a very basic corridor scene, which was more or less only the wall parts and the floor ($ 5,-!). I edited mostly everything and added some objects I bought, and a lot of free stuff, plus some stuff I built myself. I had to create each and every material from scratch, but it was fun to do that, since path tracing makes it look much more natural.
But there is still some noise although I used an AA of 20. In this case it looks a bit like movie grain, so somehow I like it, but to get a really noisefree image, I would have to increase the AA even more, and rendertimes would be quite a problem.

The mechanical spider is a free object from Cadnav as far as I remember, and the robots are the default mannequins from Mixamo.
Title: Re: Robot games
Post by: Dune on March 21, 2019, 10:22:36 am
So cool and beautifully lit!
Title: Re: Robot games
Post by: Kadri on March 21, 2019, 10:53:14 am

Looks cool and not like a standard Terragen render (i mean in a good way) from a lighting aspect, Hannes.
Title: Re: Robot games
Post by: masonspappy on March 21, 2019, 05:25:17 pm
Wow - that is sincerely awesome!
Title: Re: Robot games
Post by: DocCharly65 on March 21, 2019, 07:45:17 pm
Oh yes! I never saw a render before with such nice lighting through luminous objects. And AA20 !? Outch! What was the render time? :)
Title: Re: Robot games
Post by: DannyG on March 21, 2019, 09:19:13 pm
Light and textures is impressive
Title: Re: Robot games
Post by: Agura Nata on March 22, 2019, 08:21:16 am
That's very interesting and definitely time consuming, thanks for sharing
Hannes!

Cool stuff :)
Title: Re: Robot games
Post by: Hannes on March 22, 2019, 09:16:56 am
Thanks a lot, guys!

Quote from: DocCharly65 on March 21, 2019, 07:45:17 pm
... AA20 !? Outch! What was the render time? :)


It wasn't too bad: 9 hours for a 2.4k resolution. Maybe I'll try another one with an even higher AA...
Title: Re: Robot games
Post by: bobbystahr on March 22, 2019, 10:08:40 am
brilliant, and 9 hrs ain't bad...I recall a scene I did a couple of years back that took 42 hours on my Corsair workstation which is a fairly fast machine....
Title: Re: Robot games
Post by: Agura Nata on March 22, 2019, 12:08:12 pm
Quote from: bobbystahr on March 22, 2019, 10:08:40 am
brilliant, and 9 hrs ain't bad...I recall a scene I did a couple of years back that took 42 hours on my Corsair workstation which is a fairly fast machine....


That is really long!
I recently had a completely fractal impact on Dune's easy beach with an image like I do more often at 1k resolution, after 11 hours I did not like anymore, since then I take highfields and got 3 times better, god bless the queen;...
Title: Re: Robot games
Post by: archonforest on March 22, 2019, 02:28:09 pm
Awesome scene and great render!!
Title: Re: Robot games
Post by: Ariel DK on March 22, 2019, 05:00:15 pm
Simply incredible Hannes...
I can't even imagine to myself in that hell of re-texturing everything inside TG in a so much complex scene like that....  ;D
Title: Re: Robot games
Post by: René on March 23, 2019, 06:29:52 am
That looks very good. Interior scenes are very well possible in Terragen, albeit with exceptional settings. Is there a bit of chromatic aberration? In post I assume.
Title: Re: Robot games
Post by: Hannes on March 23, 2019, 07:40:50 am
Yes, there is. It's postwork. I can't resist, I love chromatic aberration (...and I know, you don't, Kadri!!!  ;D ;) ;) ;))
Title: Re: Robot games
Post by: Hannes on March 23, 2019, 07:47:58 am
I did a small sampling test crop render with AA 20 and a resolution of 1.8k. Same settings, except the left image uses the robust adaptive sampler. There is less noise in the left image (and less contrast for some reason), but it took 23.37 minutes compared to 14.50 minutes using the regular sampler.
Title: Re: Robot games
Post by: bobbystahr on March 23, 2019, 10:49:59 am
"the robust adaptive sampler"  I can't find this but I'm versions behind...is this a new feature?
Title: Re: Robot games
Post by: Hannes on March 23, 2019, 12:58:37 pm
It's quite new, but it should be under "Render/Edit sampling" of actual versions.
Title: Re: Robot games
Post by: Matt on March 23, 2019, 06:08:21 pm
The result from Robust Adaptive is more correct. The legacy sampler undersamples some dark parts and makes them even darker.

Please try it again with the latest build in the Alpha Test area. I've made some improvements to the Robust Adaptive Sampler which should make it faster, and it also uses data gathered by the robust adaptive sampler to optimise the path tracer.
Title: Re: Robot games
Post by: bobbystahr on March 23, 2019, 09:38:59 pm
I must be way back as I see it not in 4.1.25
Title: Re: Robot games
Post by: Matt on March 23, 2019, 11:21:35 pm
Robust adaptive sampling was new in 4.3. It's still designated a beta feature. It wasn't always a clear win in 4.3, but it works much better in 4.4.
Title: Re: Robot games
Post by: bobbystahr on March 24, 2019, 01:12:39 am
Quote from: Matt on March 23, 2019, 11:21:35 pm
Robust adaptive sampling was new in 4.3. It's still designated a beta feature. It wasn't always a clear win in 4.3, but it works much better in 4.4.


as I noted I'm a bit behind in maintenance versions...slow period for fixed income pensioners...
Title: Re: Robot games
Post by: mhaze on March 24, 2019, 05:46:11 am
Great work - I don't have the patience to sort out all those textures! I have maintenance (I think) but only 4.3 is 4.4 not out yet?
Title: Re: Robot games
Post by: bobbystahr on March 24, 2019, 09:22:23 am
Quote from: mhaze on March 24, 2019, 05:46:11 am
Great work - I don't have the patience to sort out all those textures! I have maintenance (I think) but only 4.3 is 4.4 not out yet?

4.3.23
Title: Re: Robot games
Post by: sjefen on March 25, 2019, 07:48:45 am
I would never have guessed this was rendered in Terragen. I love it!


- Terje
Title: Re: Robot games
Post by: Hannes on March 25, 2019, 04:18:50 pm
Thanks a lot, Terje! I love to try out unusual stuff in TG. And with the path tracer materials are getting more and more realistic!