news:3c5db555@news.povray.org...
>
>   Using the scene from the last "brazil challenge" for testing my lighting
> macro (code posted on p.b.s-f.). There are 3 warm-white 15w fluorescents
at
> the far left,  and 1 incandescent 60w lamp at the right/background.
>
>   This time I've not used radiosity, and the focal_blur uses less samples.
> Also, I added some nuts to make it a bit different. Render time was almost
> 2h (with area_lights).

Bueno!!!... Jaime, eres el amo.

Amaizing... Incredible.
When I see artworks like this, I really don't have words to say...
Sorry.
(running to p.b.s-f.).
Bye
--
Txemi Jendrix
tji### [at] euskalnetnet
http://www.geocities.com/txemijendrix

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Absolutely amazing!
Although: on the second look it looks a tiny little bit like made of clay,
don't you think so? Maybe due to the scratches? I don't know why. I had just
this feeling.
Anyway, it's more than excellent!
regards
SY

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Skip Talbot wrote:

> Amazing.  

  Thanks!

> I'm curious about the lighting because I know that often makes
> the scene.  Your lights have specific wattage and real world types.  How 
> do you define this in a scene?  Is the type of light (i.e. incandescent,
> fluorescent) based on the rgb value and the intensity is the watts?  How
> do you control it so precisely?

  See my recent post on p.b.s-f., there is the code for the set of macros I 
used to manage lights at that "high level", and a link to a web page 
explaining the whole idea. 

  I'm sure my implementation of the real data is not "physiscally correct", 
but it gives nice results and make easy for me to manage known artificial 
lights. I hope to get some comments if someone uses it, to make it more 
handy and correct if possible.

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org

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> Absolutely amazing!

  Thanks!

> Although: on the second look it looks a tiny little bit like made of clay,
> don't you think so? Maybe due to the scratches? I don't know why. I had
> just this feeling.

  You're right! I was not sure about it, but now that you mention it, seems 
like the material is soft, too deformable... just like metal-painted clay! 
And you're also right about what is causing it: the small normal pattern is 
not very good for such metal, I must work on it.

> Anyway, it's more than excellent!

  Thanks again!

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org

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Jaime Vives Piqueres wrote:
>   Using the scene from the last "brazil challenge" for testing my lighting
> macro (code posted on p.b.s-f.). There are 3 warm-white 15w fluorescents
at
> the far left,  and 1 incandescent 60w lamp at the right/background.

The lighting looks phenomenal, though I expect nothing less from you :)
Trying the lights now...

--
-Jide

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If you continue posting photos and try to pass them as renders, you will be
banished.

-tgq

PS-very nice ;)

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Pretty impressive.

I got the impression that your set of macros, and the recent discussions about
realistic lighting, will open a new era in POV-Ray realistic imagery. I can't even
imagine all the possibilities...

--
Jonathan.

"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> ha scritto nel messaggio
news:3c5db555@news.povray.org...
>
>   Using the scene from the last "brazil challenge" for testing my lighting
> macro (code posted on p.b.s-f.). There are 3 warm-white 15w fluorescents at
> the far left,  and 1 incandescent 60w lamp at the right/background.
>
>   This time I've not used radiosity, and the focal_blur uses less samples.
> Also, I added some nuts to make it a bit different. Render time was almost
> 2h (with area_lights).
>
> --
> Jaime Vives Piqueres
>
> La Persistencia de la Ignorancia
> http://www.ignorancia.org

Post a reply to this message

"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> wrote in message
news:3c5db555@news.povray.org...

  Very, very nice! My only concern is the 'pitting' on the surfaces, but
you've explained that already. The lighting IMO is excellent!

   Nice macro camera you have there.....   ;)

   ~Steve~


> Jaime Vives Piqueres
>
> La Persistencia de la Ignorancia
> http://www.ignorancia.org

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Your image looks quite photographic to me.  It is stunning to say the least.
May I ask how you created the texture for the bolts and nuts?  The small
dents and pits
look very nice, how did you accomplish it?

Patrick Dugan

"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> wrote in message
news:3c5db555@news.povray.org...
>
>   Using the scene from the last "brazil challenge" for testing my lighting
> macro (code posted on p.b.s-f.). There are 3 warm-white 15w fluorescents
at
> the far left,  and 1 incandescent 60w lamp at the right/background.
>
>   This time I've not used radiosity, and the focal_blur uses less samples.
> Also, I added some nuts to make it a bit different. Render time was almost
> 2h (with area_lights).
>
> --
> Jaime Vives Piqueres
>
> La Persistencia de la Ignorancia
> http://www.ignorancia.org

Post a reply to this message

Patrick Dugan wrote:

> Your image looks quite photographic to me.  It is stunning to say the
> least.

  Thanks!

> May I ask how you created the texture for the bolts and nuts?  The small
> dents and pits
> look very nice, how did you accomplish it?

  Averaged normals: I used two patterns, one for the "microsurface" and 
other for the dents or "macrosurface". I averaged several copies of them, 
rotated and translated. Of course, it needs >40 samples on the focal blur 
to give smooth results. 

  Indeed, I noticed now that I forgot to post the code for this scene! 
Willl post it latter on p.b.s-f.

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org

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