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Poser F.A.Q (Updated: 2016 Nov 29 4:50 pm)


 Subject: How to do straight-up refraction, such as clear glass in Poser Pro 2012

LaurieA opened this issue on Jul 04, 2012 · 15 posts

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  LaurieA    ( ) ( posted at 2:29PM Wed, 04 July 2012 

Has something changed? I set up a simple refraction and didn't get what I expected. What exactly do I have to attach with a refraction to make it look right now?

Laurie

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  MistyLaraPrincess    ( ) ( posted at 3:21PM Wed, 04 July 2012  · @3952846

maybe the sr2.1 changed something?





  bagginsbill    ( ) ( posted at 4:09PM Wed, 04 July 2012  · @3952867

Nothing has changed. Since you didn't say what you did get I'm forced to guess common mistakes.

  1. Ray tracing enabled?

  2. At least two bounces to see through a solid object (front and back)?

  3. Something to see behind it?


Renderosity forum reply notifications have been wonky in the past. I'm testing the waters to see if it's working now. If you ask me something and I don't come back, it probably isn't. (Updated January 17, 2017)

  LaurieA    ( ) ( posted at 4:24PM Wed, 04 July 2012 · edited on 4:25PM Wed, 04 July 2012 · @3952871


Quote - Nothing has changed. Since you didn't say what you did get I'm forced to guess common mistakes.

  1. Ray tracing enabled?

  2. At least two bounces to see through a solid object (front and back)?

  3. Something to see behind it?

Yeah, all those BB ;). I found and used a gem shader you posted and put everything where it's supposed to be, but I get a nice gray color rather than the color I put in. I should mention I'm using emitters to light the scene too, so perhaps it just doesn't work in that instance.

Laurie

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  LaurieA    ( ) ( posted at 4:27PM Wed, 04 July 2012  · @3952872


My render settings.

Laurie

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  bagginsbill    ( ) ( posted at 4:31PM Wed, 04 July 2012 · edited on 4:36PM Wed, 04 July 2012 · @3952875

Shader looks right. That's a very dark purple for Inner_Color - remember that looking through two layers means what's on the other side is multiplied with that color twice. And if you have GC on, that's anti-gamma corrected to a very small number.

Instead, try light pastel colors such as RGB 240, 200, 240.

Then work your way darker from there.


Renderosity forum reply notifications have been wonky in the past. I'm testing the waters to see if it's working now. If you ask me something and I don't come back, it probably isn't. (Updated January 17, 2017)

  LaurieA    ( ) ( posted at 4:35PM Wed, 04 July 2012  · @3952877

Ok, BB will give it a try. Thanks :)

Laurie

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  bagginsbill    ( ) ( posted at 4:39PM Wed, 04 July 2012  · @3952878

Another point - Poser does refraction outside to inside in the correct direction, but it uses that again for the inside to outside and that's wrong.

What ends up happening is you get a huge amount of bending in certain situations that just should not be there.

 

You have to drop the Refract node's Index_of_Refraction closer to 1 to compensate. In a thin glass situation, you want 1.01 to 1.05 instead of the true 1.5 to 1.7.


Renderosity forum reply notifications have been wonky in the past. I'm testing the waters to see if it's working now. If you ask me something and I don't come back, it probably isn't. (Updated January 17, 2017)

  LaurieA    ( ) ( posted at 4:49PM Wed, 04 July 2012  · @3952886

Wow, that looks just AWESOME. Thanks so much BB! Again...lol.

Laurie

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  LaurieA    ( ) ( posted at 6:15PM Wed, 04 July 2012 · edited on 6:23PM Wed, 04 July 2012 · @3952921


That's with the refraction node IOR at 1.00. The small bead has a hole down thru the center and that's why it looks darker - as it should :).

Laurie

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My ShareCG Freebies for Poser and DazStudio


  nobodyinparticular    ( ) ( posted at 8:17PM Wed, 04 July 2012  · @3952971

Nicely done.


  LaurieA    ( ) ( posted at 9:13PM Wed, 04 July 2012  · @3952998

sent ya a pm BB :)

Laurie

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  MistyLaraPrincess    ( ) ( posted at 8:16AM Thu, 05 July 2012  · @3953143

Quote -

That's with the refraction node IOR at 1.00. The small bead has a hole down thru the center and that's why it looks darker - as it should :).

Laurie

 

ooo thaz pretty





  acrionx    ( ) ( posted at 3:39PM Thu, 05 July 2012  · @3953446

That looks really good.

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  monkeycloud    ( ) ( posted at 3:58PM Thu, 05 July 2012  · @3953457

Very nice 😄


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