OctaneBench Competition - Turbocharger - Final

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OctaneBench Competition - Turbocharger - Final

Postby kubicki3d » Wed Sep 25, 2013 9:40 am

kubicki3d Wed Sep 25, 2013 9:40 am
Hi All!

Here are some early renderings of a turbocharger.
I'm not sure yet but maybe I'll try to add some background objects (eg. put the turbo on a table, add some tools). I'll experiment with it if time allows.
All renderings below 2,5 mins on a Quadro 4000 (stopped at 500 samples).

Cheers,
Szymon

5.png

7.png

11.png

13.png
Last edited by kubicki3d on Sun Sep 29, 2013 5:01 pm, edited 1 time in total.
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Re: OctaneBench Competition - Turbocharger

Postby Andreas.visjon » Wed Sep 25, 2013 4:18 pm

Andreas.visjon Wed Sep 25, 2013 4:18 pm
Hi,

nice idea. I think you shut put something more in the scene, or something where the turbocharger belongs to.
Maye you will find time to model a computer case where the turbo is connected.

Ciao
Andreas
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Re: OctaneBench Competition - Turbocharger

Postby kubicki3d » Thu Sep 26, 2013 7:16 am

kubicki3d Thu Sep 26, 2013 7:16 am
Thanks man! Your idea is certainly worth giving it a try.
BTW good to see progress of your work - I love the theme that you've chosen!

cheers,
Szymon
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Re: OctaneBench Competition - Turbocharger

Postby kubicki3d » Thu Sep 26, 2013 6:56 pm

kubicki3d Thu Sep 26, 2013 6:56 pm
Plugging a turbo to a PC seems illogical - but it works!

Thanks for the advice Andreas.visjon

23.png

27.png
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Re: OctaneBench Competition - Turbocharger

Postby kubicki3d » Fri Sep 27, 2013 7:03 pm

kubicki3d Fri Sep 27, 2013 7:03 pm
This is probably one of the last mods I will make to this project.
PT 6, 350 samples take 120 sec. on a Quadro 4000.
Only procedural textures used.
Zipped ocs and objs fit under 6 MB.
OctaneBench_kubicki3d_Turbocharger.png

Cheers,
Szymon
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Re: OctaneBench Competition - Turbocharger

Postby Andreas.visjon » Sun Sep 29, 2013 7:52 am

Andreas.visjon Sun Sep 29, 2013 7:52 am
Yeah nice one, something like this i had in mind. ;)
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Re: OctaneBench Competition - Turbocharger

Postby eidy » Sun Sep 29, 2013 9:52 am

eidy Sun Sep 29, 2013 9:52 am
Hi,

Should you want / need to shorten that render time further you could try lowering the PT max depth value (to no less than 2) + you could also set a bigger ray epsilon value (to no more than 0.1). Balancing those two could save time with minimal quality impact.

All best
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Re: OctaneBench Competition - Turbocharger

Postby kubicki3d » Sun Sep 29, 2013 2:24 pm

kubicki3d Sun Sep 29, 2013 2:24 pm
Thanks eidy!
There was indeed some space for the changes that you've suggested. Ray epsilon went up to 0.00025, max depth - down to 5 (the light losses were small enough to be partly compensated by raising the lamp power). Unfortunately anything beyond those values caused some visible quality issues.
I also noticed that there is no need to set the max samples value to more than 250.
All this saved over 30 seconds of rendering. The time is now just below 1:30 on a Quadro 4000.
Cheers,
Szymon
OctaneBench_kubicki3d_Turbocharger_PT5_250s.png
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Re: OctaneBench Competition - Turbocharger

Postby kubicki3d » Sun Sep 29, 2013 4:47 pm

kubicki3d Sun Sep 29, 2013 4:47 pm
Funny thing - raising the field of view to 65 saved me 2 seconds of rendering time (currently 1:28, Quadro 4000).
So, this is the final version of the turbo.
OctaneBench_kubicki3d_Turbocharger_PT5_250s_fov60.png

Good luck everyone
Szymon
Attachments
OctaneBench_kubicki3d_Turbocharger.zip
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