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show user profile  roccodiablo
Hi everyone

I've been fiddling around with a new way of rendering with Mental Ray (new to me, probably not new to everyone). My render times have been considerably reduced to what I'd normally expect for a scene with photometric lights.

Basically, I first rendered out the scene with no shadows (23 minutes). Then rendered an AO pass (4 minutes) and comped them together. That, to me, seems pretty quick for a 1920x1080 render with 16 photometric lights.

I'd be interested to hear if people think that's good - or, I've just been making some big mistakes in the past! By the way, I used FG set to low with 1 bounce. AA samples @ 1 - 16 Mitchell.


read 1258 times
2/15/2011 11:11:10 PM (last edit: 2/15/2011 11:11:10 PM)
show user profile  LionDebt
Looks pretty nice, clean... board-roomy. I think the outside is pretty over-saturated / too bright, makes you wonder why the lights are on indoors? That's the only thing I can come up with - otherwise it looks cool.
read 1251 times
2/15/2011 11:18:13 PM (last edit: 2/15/2011 11:18:13 PM)
show user profile  Pil
All those wheels are distracting....

read 1248 times
2/15/2011 11:20:04 PM (last edit: 2/15/2011 11:20:04 PM)
show user profile  roccodiablo
yeah, I agree about the wheels. I think I should put some different chairs in. Ones with no wheels would probably do it!

I agree, the lights don't need to be on. I was happy with them like that, but maybe I'll try lowering the daylight and exterior a bit.

thanks for the speedy responeses!

read 1241 times
2/15/2011 11:28:50 PM (last edit: 2/15/2011 11:28:50 PM)
show user profile  soontekk
they are distracting because the floor (and everything else) is overexposed

the outside view should not be blown out, much darker tones under the table and chairs and behind the curtains.

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /

read 1235 times
2/15/2011 11:33:07 PM (last edit: 2/15/2011 11:33:07 PM)
show user profile  roccodiablo
interesting, thanks soontekk

my photoshopping did that. Looks like I upped the contrast way too much.

This is good stuff - keep the crits coming! I'll post up a revised one asap

read 1232 times
2/15/2011 11:38:31 PM (last edit: 2/15/2011 11:38:31 PM)
show user profile  LionDebt
Yeah - gotta agree with the wheels. Didn't quite put my finger on it to begin with but the lack of shadows and dark areas (as soontekk pointed out) do make the dark wheels jump out at you from the light carpeting and well, light everything else.

I also kinda feel there are too many chairs - in a way. Seems that the table is a bit crowded with 14 chairs around it, maybe 12 or 10 be better (but this is just my opinion, I've never been in a boardroom).

Now all I see when I look at that are the numerous black wheels!

read 1216 times
2/16/2011 1:33:46 AM (last edit: 2/16/2011 1:33:46 AM)
show user profile  roccodiablo
hello again

I've not taken out any chairs at the moment. I just wanted to see if they're still distracting now I've toned it down a bit.

I re-rendered an AO using a larger distance to reach under the table. How's everything looking now?

read 1195 times
2/16/2011 11:11:55 AM (last edit: 2/16/2011 11:11:55 AM)
show user profile  Pil
You could try wilt less chairs along the sides.
Maybe 4 instead of 6 on each side?

read 1188 times
2/16/2011 11:23:31 AM (last edit: 2/16/2011 11:23:31 AM)
show user profile  donvella
i love that picture on the wall, thats bangin.

the lighting is looking pretty good. i like that ceiling displacement.

I dont think its the chairs thats putting it off really, I think it might be your camera height or angle/composition.

That plant throws things off a little, same with the shadow underneath it. Also the pot would look nice with some detail or something to compliment ceiling. Tone down that AO in general, maybe do a levels on it and bring it in a tad.

The curtains look sweet. for some reason the monitor with the windows label just makes me look at it almost too often. Can you tone down the saturation a little on the table and take a little red out. And can you try a few play with the carpet a bit on photoshop, play with some tones until you get one that feels right, the color is not bad however it needs to go nicely with the curtains imo.

Looking sweet.

I tried to do a few hue/sat on your image but my color settings are :S in photoshop...

read 1184 times
2/16/2011 11:43:43 AM (last edit: 2/16/2011 11:46:37 AM)
show user profile  johan21
I liked the exposure on the first image personally. Edit: That said, if you go with the second image, I don't think the exposure in the background matches the exposure in your scene, this is the biggest distraction for me...

Whichever you go with I would fix the lack of reflections on the table under the laptop - makes it look like its floating.

Nice work

read 1164 times
2/16/2011 12:38:01 PM (last edit: 2/16/2011 12:41:05 PM)
show user profile  BishBashRoss
I did a quick curves adjustment on the last image and it looked much better.

From a style point of view not sure about the curtains in a room like that. It all looks a bit old school.

read 1154 times
2/16/2011 12:57:41 PM (last edit: 2/16/2011 12:57:41 PM)
show user profile  Coxy
Are you working with a gamma workflow? it looks a little washed out to me.
read 1152 times
2/16/2011 12:58:35 PM (last edit: 2/16/2011 12:58:35 PM)
show user profile  roccodiablo
thanks everyone for the suggestions.

I'll be back later with some updates.

Coxy, no I'm not using a gamma workflow. It appears I'm messing it up at the photoshop stage!
johan, I've fixed the reflection now, well spotted.
donvella, thanks, I think the composition might well help matters. I'll sort the monitor out as well.
bishbashross, I might well change the curtains to something a little more modern

thanks again

read 1136 times
2/16/2011 2:04:04 PM (last edit: 2/16/2011 2:04:04 PM)
show user profile  LionDebt
Second render is A LOT better than the first, in my opinion. Looks a lot more realistic.

The curtains could do with modernisation - but that's already been said. I think Roman blinds could be better - but that's just personal opinion.

Do something with the plant-pot. And try it with 2 or 3 less chairs more spread out and randomized, looks a bit too uniform.

But on the whole much better!
read 1119 times
2/16/2011 3:42:12 PM (last edit: 2/16/2011 3:42:48 PM)
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