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VRay Render Settings for Previewing work.
show user profile  Cheesegeezer
I'm pretty much a noob to 3DS Max and have been working hard over the last 6-8weeks to get better, however I have a quick question.

I use the default settings for VRay 1.5 SP3 when checking out my materials and lighting for a scene but it seems to take such a long time (I know my machine isn't the best). so just wondered if there are some specific tweaks to certain rollouts that may decrease the rendering time but still give you an idea of where your reflections/refractions are working and if the scene is lit correctly.

Thanks in Advance
read 328 times
11/30/2011 6:43:54 PM (last edit: 11/30/2011 6:43:54 PM)
show user profile  Bolteon
quickest preview is a lightcache calculation set to 1000 samples.


then fixed rate sampling at 1.

then adaptive dmc at 1 and 4 @ .01 threshold.



those are quick settings to get a general feel.

-Marko Mandaric



read 310 times
11/30/2011 8:21:33 PM (last edit: 11/30/2011 8:21:33 PM)
show user profile  zeefusion
Have you got VrayRT?
read 306 times
11/30/2011 8:24:14 PM (last edit: 11/30/2011 8:24:14 PM)
show user profile  del3d
LC 1000? That's what I use for my final renders. I typically do 300-500 or so at 0.05 for quick tests.
read 302 times
11/30/2011 8:35:29 PM (last edit: 11/30/2011 8:35:29 PM)
show user profile  Bolteon
depending on the proc, it's 30 seconds vs 15... in only say 1000 for a preview cause it fills up the image pretty well with the look of the scene; especially if you zoom out once.

-Marko Mandaric



read 296 times
11/30/2011 9:03:32 PM (last edit: 11/30/2011 9:03:32 PM)
show user profile  del3d
agreed
read 286 times
11/30/2011 10:54:39 PM (last edit: 11/30/2011 10:54:39 PM)
show user profile  Cheesegeezer
Bolteon,

That's perfect mate, exactly what I needed, although I need to read up more on what each setting does and how it affects the scene although I have been going thru the settings and just changing them slightly and massively to see the effects and then documenting my findings in a little note book (ahhhhhhh!!)

zeefusion,

VRayRT??? what does RT stand for, I'll have to check my version and let you know. Would this make a difference in rendering times?
read 278 times
11/30/2011 11:25:15 PM (last edit: 11/30/2011 11:25:15 PM)
show user profile  zeefusion
Vray Real Time. It updates in almost real time depending on your hardware. It comes shipped with Vray 2.0.
read 263 times
12/1/2011 9:39:02 AM (last edit: 12/1/2011 9:39:18 AM)
show user profile  Cheesegeezer
zeefusion,

then the answer is No. I would think you would need a pretty powerful machine to run this, but it's something that is on the cards after christmas.

I used those settings last night and what a difference. I just use a large teapot and a small tea pot on a plane with a simple texture on and try to position my lights as they are in the scene when checking out materials.

I have been trying to get a believable gloss white material and finally nailed it last night (I think/hope). It's a lot harder to get reflections right with white/lighter colours, I've notice this, they seem to be less forgiving on your settings.

I'll post up some pics for you guys when I can, to get some constructive feedback from you guys.

Cheers!!
read 254 times
12/1/2011 10:20:18 AM (last edit: 12/1/2011 10:20:18 AM)
show user profile  Chris123643
what sort of money you looking at to spend on a workstation be able to run vray real time (in £)... im looking to ask work for an upgrade... ive been working on my current machine for 4 years! I often have to render in 4 sections and stich them together because i run out of ram! Really long overdue an upgrade.


read 249 times
12/1/2011 10:42:02 AM (last edit: 12/1/2011 10:42:02 AM)
show user profile  zeefusion
You can get a system pretty cheap that would run it OK. Depends if you want to run it off the CPU or the GPU or in the near future, soon to be both.

If it was me I would invest heavily on a system that allows expansion of multiple graphics cards and has ample cooling to accommodate that. That way you can buy say 1 or 2 graphics cards and when you can afford it get another 1 or 2.

Quadro 4000 or GTX 580/590 would be a good shout.


read 240 times
12/1/2011 10:54:04 AM (last edit: 12/1/2011 10:55:27 AM)
show user profile  Cheesegeezer
I have a pretty modest system in my front room (Gaming HTPC with HD5850 GFX in it) which I'm leaving there.

I would need a hefty PSU to run dual cards and a decent CPU. I was looking at reviews on the GTX570 & 580 and for the extra money for the 580, you don't really reap the bang for buck compared with the 570.

I've decided on the AMD 6 core processor a pretty decent ASUS Mobo (can take upto 32GB of DDR3) and 16GB of DDR3 1600 memory with the GTX 570 and a new 1000W PSU that will future proof maybe another GFX card.

How do you guys check out your materials once you create them? I'd be interested to know.


read 238 times
12/1/2011 11:18:59 AM (last edit: 12/1/2011 11:18:59 AM)
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