Show off your final renders
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bubs

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by bubs » Tue Mar 10, 2015 11:37 pm
As a tip for this kind of scene.... If the scene is taking an age to render because of the 'fog' you can render out a normal scene without fog and then a separate hack of a 'Volume Light Pass' by making all your materials oren-nayar with total black colour, and making lights & standing objects 'invisible to camera'. You can then use the resulting render on an 'screen' layer in Photoshop to achieve the light dispersion effect. This is not how I did the last render, but just an option. Here is the 'Volume Light Pass' render I would get on the above scene.
(Maybe this might be properly integrated as a pass at some time in the future...) 
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Oscar J

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by Oscar J » Wed Mar 11, 2015 8:59 am
Sweet trick bubs, will have to try that some time.

Really nice work on the concrete, as per usual.
That guy standing there looks rather short by the way. Nothing wrong with that, just saying.
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bubs

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by bubs » Wed Mar 11, 2015 9:25 am
I thought that too when I first saw it, but it's actually a trick of perspective, because the horizon line is level with the landing, it looks like he's short... He's actually exactly 6ft but standing further away than the perspective suggests...
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Oscar J

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by Oscar J » Wed Mar 11, 2015 9:38 am
I think it has more to do with that his head is too big for his body actually.

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thesquirell
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by thesquirell » Wed Mar 11, 2015 10:18 am
Bubs, I want to know your secrets behind those nice concrete textures!

Looks really nice!
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bubs

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by bubs » Wed Mar 11, 2015 11:20 am
Oscar J wrote:I think it has more to do with that his head is too big for his body actually.


it's a 3D scan of a real person! Poor guy!
thesquirell wrote:Bubs, I want to know your secrets behind those nice concrete textures!

Looks really nice!
thanks mate! No secrets just high res textures and maps... The one on the steps is from arroway, the rest I made myself from the internet. Anything in particular you want to know?
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thesquirell
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by thesquirell » Wed Mar 11, 2015 12:51 pm
It would be smashing to get to know how you control your exponent, the gammas of the maps, IORs.

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bubs

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by bubs » Wed Mar 11, 2015 9:33 pm
I really don't have any hard and fast rules or settings, I normally play about with values until I'm happy with the result... but FYI on the last scene;
Wall Concrete - IOR 2.4 / Albedo (Map Gamma 2.2) / EXP (Map Gamma 2.2 / B 100 / C 5) FRES (Map Gamma 1) / Bump (Map Gamma 2.2 / B 0.0002)
Floor / Steps - IOR 1.2 / Albedo (Map Gamma 2.2) / EXP 300 (No Map) / Bump (Map Gamma 2.2 / B 0.0005)
These wall values might well result in too shiny a finish for a lot of scenes, but in this dark one I thought it worked well. As a general rule for that sort of 'satin sheen' from semi-polished concrete I normally use a high(ish) IOR with a low EXP, but like I said it's always trial and error...
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thesquirell
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by thesquirell » Fri Mar 13, 2015 5:56 am
Thank you for sharing! I just got caught up with some old threads where I read that you can get more control over your maps if you use high gamma value (4), esp. for exponent, etc., and got a little bit carried away. Your texture work looks amazing, Bubs.
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bubs

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by bubs » Mon Jun 22, 2015 10:53 pm
quick shot I did for fun, mainly to work on the vegetation, as this showed a nice contrast between a neat lawn and a wild meadow.
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Pibuz

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by Pibuz » Mon Jun 22, 2015 11:03 pm
Wonderful work on the vegetation bubs! ..a little too...green-ish maybe?
...there is a lot of denoising here, isn't it?
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bubs

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by bubs » Mon Jun 22, 2015 11:28 pm
Pibuz wrote:...there is a lot of denoising here, isn't it?
Not a lot, just on the windows, forgot to check Arch Glass so they were still really noisy, and as this was only a quick test I couldn't be bothered letting it cook longer! Lazy lazy... might do a region render and drop better glass in.
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thesquirell
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by thesquirell » Mon Jun 22, 2015 11:52 pm
For a quick run, this looks amazing. The grass/vegetation looks a bit uniform (maybe adding some effector to the population would fix this), and yes...I always cry when I see your textures. Don't know how you do it, but you are texture guru, my man. From the simple stone to everything else.
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bubs

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by bubs » Tue Jun 23, 2015 9:00 pm
thesquirell wrote:The grass/vegetation looks a bit uniform
You really think so? I thought it was OK actually, i think I'd struggle to get it much better in SketchUp without starting to individually place plants... which I have neither the time or patience to do!

Here's a close up more of the vegetation
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