Octane render experiments

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Re: Octane render experiments

Postby whersmy » Wed Oct 20, 2021 3:48 pm

whersmy Wed Oct 20, 2021 3:48 pm
Thanks elska! Funny I always just set SR to 10k, but tweaking might help.

I did notice some colour difference in the passes. I think I read somewhere that`s a bug, but not sure.
The main pass differs in colour from the denoised pass.
Attachments
main_pass_denoised_pass.jpg
Octane 2022.1.1 nv535.98
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Re: Octane render experiments

Postby elsksa » Wed Oct 20, 2021 4:04 pm

elsksa Wed Oct 20, 2021 4:04 pm
whersmy wrote:Thanks elska! Funny I always just set SR to 10k, but tweaking might help.

Incremental values of 1 should suffice, if there are 2 lights and the second light requires a higher sampling priority (what Sampling Rate does in very short), a Sampling Rate value of 2 should suffice.

whersmy wrote:I did notice some colour difference in the passes. I think I read somewhere that`s a bug, but not sure.
The main pass differs in colour from the denoised pass.

I believe it has been reported in the forum already. I remember seeing it but I would recommend to double check via the forum-search bar about it. It might even have been fixed in a 2021.1 RC build, that is also to verify as I am not entirely certain.
Last edited by elsksa on Fri Oct 22, 2021 11:59 pm, edited 1 time in total.
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Re: Octane render experiments

Postby whersmy » Wed Oct 20, 2021 9:00 pm

whersmy Wed Oct 20, 2021 9:00 pm
Will look into it :)

Trying out different lighting. Also gonna test out the random tiles script this week
Attachments
Render_aces_d65_denoised_2.jpg
Octane 2022.1.1 nv535.98
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Re: Octane render experiments

Postby whersmy » Fri Oct 22, 2021 8:16 am

whersmy Fri Oct 22, 2021 8:16 am
Another one with the lamp turned on. Really like how subtle ACES and 16-bit EXR`s give control on lighting. :)
Attachments
Render_aces_d65_denoised_3.jpg
Octane 2022.1.1 nv535.98
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Re: Octane render experiments

Postby whersmy » Fri Oct 22, 2021 11:16 pm

whersmy Fri Oct 22, 2021 11:16 pm
Seems like the partition / random tiles generator script works nice. A very basic setup already really convinces. Here`s the node-setup. Will do a more random example in the upcoming days. Really digging the 3080 and stability of 2021.1 XB1! After three days 0 crashes yet when using textures over 10k x 3k pixels, Universal materials, LUA scripts, ACES and 8K HDRI`s. :)
Attachments
Render_aces_d65_denoised_4.jpg
partition_random_tiles_floor.jpg
Octane 2022.1.1 nv535.98
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Re: Octane render experiments

Postby whersmy » Tue Oct 26, 2021 2:35 pm

whersmy Tue Oct 26, 2021 2:35 pm
Getting the random tiles for the floor a bit more decent. Also reset the up-vector so the camera is correct again.
Attachments
Render_aces_d65_denoised_6.jpg
Render_aces_d65_denoised_5.jpg
Octane 2022.1.1 nv535.98
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x201t - gtx580 - egpu ec
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Re: Octane render experiments

Postby whersmy » Thu Oct 28, 2021 1:57 am

whersmy Thu Oct 28, 2021 1:57 am
Another try-out for more soft light and post-pro in PS with ACES.
Attachments
Render_aces_d65_denoised_8.jpg
Octane 2022.1.1 nv535.98
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Re: Octane render experiments

Postby whersmy » Sat Oct 30, 2021 8:02 pm

whersmy Sat Oct 30, 2021 8:02 pm
Trying out direct sunlight. Coming from a 1060GTX to a 3080 is just the best! :)
Attachments
set_sunlight.jpg
Last edited by whersmy on Sun Oct 31, 2021 11:37 am, edited 1 time in total.
Octane 2022.1.1 nv535.98
mac pro g5| pentium g2030 iGPU| maximus extreme V| 2x gtx590 - 8gb - SSD - win7-x64- 1500W Silverstone|
x201t - gtx580 - egpu ec
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Re: Octane render experiments

Postby whersmy » Sat Oct 30, 2021 10:42 pm

whersmy Sat Oct 30, 2021 10:42 pm
And one with more diffuse light. About 1.5 hours on a 3080. It seems the universal material (on this scene f.e. wood) with mix textures, invert textures and color correction nodes do take way longer to clean up, without any real visual difference. :idea: Gonna optimize the scene further.

Edit: attached a version saved as 8-bit from 16-bit. It looks like contrast and depth is lost when saving as jpeg directly from 16-bit in PS :o
Attachments
set_diffuse_light.jpg
set_diffuse_light_3-2.jpg
Octane 2022.1.1 nv535.98
mac pro g5| pentium g2030 iGPU| maximus extreme V| 2x gtx590 - 8gb - SSD - win7-x64- 1500W Silverstone|
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Re: Octane render experiments

Postby whersmy » Tue Nov 02, 2021 8:40 am

whersmy Tue Nov 02, 2021 8:40 am
A few more shots. Next up is optimizing the scene. Theres a baked OSL Random texture on the displacement on the cloth. Universal material with the layered options on the ceramic pot. Lit by 1 HDRI. Used ACES again with some curves adjustment.
Attachments
set_diffuse_light_5.jpg
set_diffuse_light_4-2.jpg
Octane 2022.1.1 nv535.98
mac pro g5| pentium g2030 iGPU| maximus extreme V| 2x gtx590 - 8gb - SSD - win7-x64- 1500W Silverstone|
x201t - gtx580 - egpu ec
Dell G5 - 16GB - dgpu GTX1060 - TB3 egpu @ 1060 / RTX 4090

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