Simple Renderings Thread

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joeyslucky22
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Re: Simple Renderings Thread

Post by joeyslucky22 » Wed Jul 13, 2011 4:23 am

I just rendered my first apartment room last night! I sort of cheated and used a blur effect in Photoshop to get rid of some fuzzies. :wink:

Model done in SketchUp, 30 min render time on each.

They're definitely not on par with the pros here (dcm) but I'm having a blast!

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Image

What would be the best way to go about getting a really bright, colorful image like yours DCM? Is most of that done with Photoshop?
SketchUp 8 || Windows 7 Home Premium x64 || CPU: i7-2600k @ 3.4 GHz || 16 GB DDR3 || GPU: GTX 570 1280MB

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Polinalkrimizei
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Re: Simple Renderings Thread

Post by Polinalkrimizei » Fri Jul 15, 2011 11:00 pm

Nice TV you got there!

Please let them cook longer, too much blur makes it look artificial and "biased".
As for colors/contrast: Try playing with Indigo's camera response functions. The Kodachrome ones give pretty much extreme colors/contrast, but you need a rather high EV value. But they are probably not first choice for indoor-shots!
dcm's images are bright because he is a pro, but also because he uses big windows! Your living room just has a rather small window, but I bet your image will be brighter if you let the sun shine in directly and remove the sunblind! Perhaps even use a higher iso. My guess is that dcm uses photoshop just for some minor color correction.
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Pibuz
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Re: Simple Renderings Thread

Post by Pibuz » Sat Jul 16, 2011 2:13 am

LOL Polinalkrimizei
They seem like pretty little icons! Are you doing the graphics of a new OS?

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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 2:24 am

Tulle
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Pibuz
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Re: Simple Renderings Thread

Post by Pibuz » Sat Jul 16, 2011 2:36 am

Cool!
A little too transparent for me...

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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 3:11 am

Hopefully when it's released you will be able to set easily the thread width yourself :)

I've got to double-check the material anyways.
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Pibuz
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Re: Simple Renderings Thread

Post by Pibuz » Sat Jul 16, 2011 3:19 am

..I see you're working a lot on "procedural" or math-based mats, CTZn: any chance we can get a velvet (anisotropic) shader anytime soon? :wink:

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dcm
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Re: Simple Renderings Thread

Post by dcm » Sat Jul 16, 2011 3:26 am

custon nd ftw

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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 3:31 am

I guess you didn't miss that thread Pibuz.

I'm keen to wait for a viable UI tweaking solution for procedural materials in Indigo, I'm more on the "material studio" side. It's a pity to deliver just one mat when the user can have a whole range :)

Regarding the velvet material, it is a bit tricky to set. We can discuss this in the linked topic !
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Pibuz
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Re: Simple Renderings Thread

Post by Pibuz » Sat Jul 16, 2011 3:38 am

Sure I didn't miss that thread :lol:
I follow that with interest!

..it's only that, from my noob point of view, it shouldn't be that hard to code an "anisotropic" shader, and make it sort of a preset, like specular, oren-nayar, blend... Two parameters: base colour, graze colour (I imagine that shader like a sort of blend material, which changes the colour based on the angle the light hits it).

BUT you pros have some sort of difficulties, I see, so it can't be SO easy :lol: :lol: :lol:

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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 4:06 am

That velvet relies on bump only, it has one single color in albedo :) Bump takes care of the shading.

My concern is that since it is highly UV dependent, it would look different if not wrong on various surfaces and the user would have to scale UVs, sometimes non-proportionally.

I'll come with a proposition in the other thread, you'll tell me if that works for you (and I have a better threading idea) ;)
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dcm
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Re: Simple Renderings Thread

Post by dcm » Sat Jul 16, 2011 4:10 am

.
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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 4:15 am

Ah, well it's nice.

But in Indigo you just set the bump stronger or weaker, it's one parameter (unbiased, though Ono says bump is a hack anyways) ;) Ok, and the feature scale/design presumably.

The good point with that nd technique is that the normal is not messed with like when using bump.
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Pibuz
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Re: Simple Renderings Thread

Post by Pibuz » Sat Jul 16, 2011 4:24 am

Custom-curve NKs seems to be a good idea to me!
Quite simple to manage and to understand!

...though I believe the key point there is the ref0 and ref90 params.. :roll:

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CTZn
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Re: Simple Renderings Thread

Post by CTZn » Sat Jul 16, 2011 4:35 am

We can read these values from Indigo but it doesn't allow to write to them afaik, unbiasedness concerns. Damn why do I create a velvet thread :lol:
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