Cinema 4D R14 and Octane for C4D

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Old 06 June 2013   #31
Here's a quick test to show some of you guys the work flow with the Octane plugin. This is a pretty small scene (760,000 polys) but it'll give you an idea of working with objects in the live viewer. Note that full SSS is turned on. (Note the greatest berries in the world I might add).

Take a look...

https://vimeo.com/68562238

Alec
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Old 06 June 2013   #32
Thanks Alec.

But the real time display is not what would sell me on Octane. I can assign Interactive Render Region to another screen I have open and get great display performance from it.

What would sell me is the export time of GPU vs. CPU. Thats why I wanted Octane in the first place.

The only thing that really puts me off is you have to use their materials, lights, cameras in order for Octane to work. For some reason that puts me off.
 
Old 06 June 2013   #33
Quote:
Originally Posted by lasvideo
Thanks Alec.

But the real time display is not what would sell me on Octane. I can assign Interactive Render Region to another screen I have open and get great display performance from it.

What would sell me is the export time of GPU vs. CPU. Thats why I wanted Octane in the first place.

The only thing that really puts me off is you have to use their materials, lights, cameras in order for Octane to work. For some reason that puts me off.


Hmm. I've never seen any IRR work as well as this one. To each his own I guess. I'm with you for the end speed of this though. It's brutal fast with most scenes. We just completed a project of a series of renderings. Last year we did them with Vray and had 15 minute frames. The new Octane renders are around a minute per. NICE. That's worth it right there.

As far as materials and lights go, that par for course with a non-native renderer. I think they ALL have that. It's not so bad once you get into it.

Good luck!
Alec
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Old 06 June 2013   #34
Quote:
Originally Posted by AlecS
Here's a quick test to show some of you guys the work flow with the Octane plugin. This is a pretty small scene (760,000 polys) but it'll give you an idea of working with objects in the live viewer. Note that full SSS is turned on. (Note the greatest berries in the world I might add).

Take a look...

https://vimeo.com/68562238

Alec


Nice berries.

I'm trying to figure out the SSS shaders and I'm confused. I gather that SSS is supposed to be influenced by the Medium channel and absorption/scattering shaders, but all of this seems to have no effect. The only SSS-like look I've been able to achieve was by way of the transmission channel in the diffuse material (which doesn't even exist, per the C4D Octane manual).
 
Old 06 June 2013   #35
sorry Alec, but here i have to chim in, this berries would not render 15min per frame normaly on a normal computer (this must have been a very uneffective setup). not even pure brute force they would need that long.

anyway, for such things octane is certainly very nice no question.
in some scenes octane is faster, in some also vray

cheers&peace
stefan
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Last edited by lllab : 06 June 2013 at 09:36 PM.
 
Old 06 June 2013   #36
Quote:
Originally Posted by AdamT
Nice berries.

I'm trying to figure out the SSS shaders and I'm confused. I gather that SSS is supposed to be influenced by the Medium channel and absorption/scattering shaders, but all of this seems to have no effect. The only SSS-like look I've been able to achieve was by way of the transmission channel in the diffuse material (which doesn't even exist, per the C4D Octane manual).


Yes. SSS is pretty confusing. I'm still trying to get my head around it. I have got it to do some amazing things though. You need a diffuse material. Add a Scatter node to the Medium channel. Play with those values. Add a color to your transmission channel too. Up that a bit. If you want some spec, you'll need to create a mix material. Put the diffuse one on the bottom and use a mix material to mix them. Not exactly obvious stuff! Good luck Adam.

Alec
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Old 06 June 2013   #37
Quote:
Originally Posted by lllab
sorry Alec, but here i have to chim in, this berries would not render 15min per frame normaly on a normal computer (this must have been a very uneffective setup). not even pure brute force they would need that long.

anyway, for such things octane is certainly very nice no question

cheers
stefan


Oh hi Stefan, sorry, I wasn't talking about these berries. This is just a test. What I was referring to was a much more complex scene for a client. We still use Vray for certain projects. Have used it since it came out. I'm just a big fan of Octane and have a lot of fun using it for stuff. Looking forward to the next Vray release and Distributed Rendering! That's going to be awesome.

Alec
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Old 06 June 2013   #38
ok then i quite misunderstood, sorry. it sounded very much like this in your post

cheers
stefan
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Old 06 June 2013   #39
Quote:
Originally Posted by AlecS
Yes. SSS is pretty confusing. I'm still trying to get my head around it. I have got it to do some amazing things though. You need a diffuse material. Add a Scatter node to the Medium channel. Play with those values. Add a color to your transmission channel too. Up that a bit. If you want some spec, you'll need to create a mix material. Put the diffuse one on the bottom and use a mix material to mix them. Not exactly obvious stuff! Good luck Adam.

Alec


I see, so transmission and medium work together.... Experimenting in progress....
 
Old 06 June 2013   #40
Quote:
Originally Posted by AlecS
Oh hi Stefan, sorry, I wasn't talking about these berries. This is just a test. What I was referring to was a much more complex scene for a client. We still use Vray for certain projects. Have used it since it came out.
Alec


Actually the question is I think what type of machine was it rendered on? 4X Titan GPU I think would render fast. Most people have only a single card in there setup.
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Old 06 June 2013   #41
Quote:
Originally Posted by cyartist
Actually the question is I think what type of machine was it rendered on? 4X Titan GPU I think would render fast. Most people have only a single card in there setup.


You are correct. This is a monster machine with a quartet of Titans. But that's not the issue here. The fact that you can get this kind of rendering using gaming cards that you can add to the system as you need them is the key. I started playing with Octane with one GTX 660. I think it was a $250 card at the time. As I grew to appreciate how Octane worked I added faster cards. You just CAN"T do that with CPU renders. Even using dual Xeon's ($4K in CPU's alone) upgrades usually netted me a 20% speed increase per cycle. So like every 2-3 years I could hand over another $4K for a 20% speed bump. If I'm lucky.

These video cards virtually DOUBLE is speed every year. So next year I can unload my Titans on eBay, buy the latest Nvidia super card and half my rendering time. That's pretty huge for me.

Alec
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Old 06 June 2013   #42
There's also very interesting developments on Octane Render Cloud Edition, which is great especially for us future Mac users without PCI slots!

http://render.otoy.com/forum/viewtopic.php?f=7&t=29544
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Old 06 June 2013   #43
Quote:
Originally Posted by AlecS
You are correct. This is a monster machine with a quartet of Titans.
Alec



4 Titans cost 4K plus the the rest of the Rig you are looking at 6K for the machine

Trust me for 6k can I can get a pretty awesome CPU based render workstation.
Not sure why Octane is considered so much faster a renderer since it has memory limitations.

That being said the live picture viewer and real time updates is a great feature for experimentation but is it worth that much investment over a CPU station?
The sample you showed with the berries are impressive in terms of instant feed back.
Being able to check things prior to rendering is just as critical as rendering. As we all a have rendering something for hours only to miss a error that would have been caught with a live picture viewer.
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Old 06 June 2013   #44
biggest thing for me is octane materials, Alec do you know of any tutes on working with these in cinema?

im using a older GTX 570 and its faster than physical by a long way so as soon as i get my head arround it ill be using it as much as i can.

cheers
Mike
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Old 06 June 2013   #45
Quote:
Originally Posted by cyartist
4 Titans cost 4K plus the the rest of the Rig you are looking at 6K for the machine

Trust me for 6k can I can get a pretty awesome CPU based render workstation.
Not sure why Octane is considered so much faster a renderer since it has memory limitations.


This.

At the moment, you can get 2 Xeon E5-2640 (a total of 12 cores, 2.5 GHz) for $1800. So for $5400 + the cost of 3 systems, you can get a 36 Xeon core renderfarm.

Last edited by LukeLetellier : 06 June 2013 at 02:18 PM.
 
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