Blender smoke/fire?

Blender (Export script developed by yoyoz; Integrated Plugin developed by JimStar)
mattafeller
Licensed Customer
Posts: 13
Joined: Wed Nov 05, 2014 1:51 am

Hi! I can do smoke and fire in cycles, but i thought i could achieve better results in the octane plugin, but the smoke only renders as a cube.
Are there any tutorials that could explain me what I'm doing wrong?

thanks!! :P
J.C
Licensed Customer
Posts: 1849
Joined: Thu May 13, 2010 6:35 pm
Location: Wrocław

You need to enable Openvdb in smoke cache settings.
CPU – i9 13900KF, 128GB RAM, GPU – RTX 4090
System – Windows 11
My Behance portfolio, Blender plugin FB support group
linograndi
Licensed Customer
Posts: 13
Joined: Sun Nov 11, 2012 11:04 pm

Be sure to have an Octane Volume Medium node attached to the Volume input of the Material Output, and play with the values.
The ones you see in the attachment should let you see something more similar to some smoke than to a cube! ;)

I hope this helps.
Attachments
Volume.JPG
mattafeller
Licensed Customer
Posts: 13
Joined: Wed Nov 05, 2014 1:51 am

thank you guys! :)
protovu
Licensed Customer
Posts: 476
Joined: Thu Sep 11, 2014 7:30 pm

sorry ...accidental double post.....can't see how to delete
Last edited by protovu on Mon Oct 01, 2018 11:57 pm, edited 1 time in total.
protovu
Licensed Customer
Posts: 476
Joined: Thu Sep 11, 2014 7:30 pm

Hello,

I have recently tried this terrific ink drop tutorial: https://www.youtube.com/watch?v=iw8hj2Uycvk , and while it works great with cycles, I cannot seem to get anything visible happening with Octane.

I do have OpenVDB enabled, and I also tried the Volume Shader shown by Linograndi.

Any help appreciated.
J.C
Licensed Customer
Posts: 1849
Joined: Thu May 13, 2010 6:35 pm
Location: Wrocław

Hi protovu, can you share your .blend file with the ink dop?
CPU – i9 13900KF, 128GB RAM, GPU – RTX 4090
System – Windows 11
My Behance portfolio, Blender plugin FB support group
protovu
Licensed Customer
Posts: 476
Joined: Thu Sep 11, 2014 7:30 pm

Hi J.C,

Here are 2 .blend files. One is for Cycles.
The other , -O, is Octane.
I managed to get some visibility in the -O by looking to the Blender/Octane plugin Manual.
But, it is not the desired effect.

You may need to bake a bit.

Thanks for taking a look,
Rick
Attachments
2inkdropfiles.zip
(169.56 KiB) Downloaded 287 times
J.C
Licensed Customer
Posts: 1849
Joined: Thu May 13, 2010 6:35 pm
Location: Wrocław

Try decreasing "Step length" to something 0.150. Be careful, if you go to low it my freeze the rendering.
CPU – i9 13900KF, 128GB RAM, GPU – RTX 4090
System – Windows 11
My Behance portfolio, Blender plugin FB support group
J.C
Licensed Customer
Posts: 1849
Joined: Thu May 13, 2010 6:35 pm
Location: Wrocław

smoke settings.png
CPU – i9 13900KF, 128GB RAM, GPU – RTX 4090
System – Windows 11
My Behance portfolio, Blender plugin FB support group
Post Reply

Return to “Blender”