Welcome to the Poser Forum

Forum Moderators:  Kendra, KimberlyC, AmbientShade    Forum Coordinators:  Boni, fictionalbookshelf

Poser F.A.Q (Updated: 2015 May 22 11:51 am)


 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

Top of Forum Print

  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





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

maybe the sr2.1 changed something?

- - - - - - - - - - - - - -

PP12 on Win7, Intel(R) HD Graphics, 2 cores, 4gb  #1 wish VRay for Poser

bad render day iz worse than a bad hair day?


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

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?



My free stuff - http://sites.google.com/site/bagginsbill/free-stuff 
VSS Home Page - http://sites.google.com/site/poserbagginsbill/vsshomepage
My Store - http://www.renderosity.com/mod/bcs/index.php?vendor=374541

I use Poser Pro 2014 on Win 7, Win 8, and Mac OSX. My Poser Display Units are inches.


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


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





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


My render settings.

Laurie





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

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.



My free stuff - http://sites.google.com/site/bagginsbill/free-stuff 
VSS Home Page - http://sites.google.com/site/poserbagginsbill/vsshomepage
My Store - http://www.renderosity.com/mod/bcs/index.php?vendor=374541

I use Poser Pro 2014 on Win 7, Win 8, and Mac OSX. My Poser Display Units are inches.


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

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

Laurie





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

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.



My free stuff - http://sites.google.com/site/bagginsbill/free-stuff 
VSS Home Page - http://sites.google.com/site/poserbagginsbill/vsshomepage
My Store - http://www.renderosity.com/mod/bcs/index.php?vendor=374541

I use Poser Pro 2014 on Win 7, Win 8, and Mac OSX. My Poser Display Units are inches.


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

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

Laurie





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




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





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

Nicely done.


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

sent ya a pm BB :)

Laurie





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

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

- - - - - - - - - - - - - -

PP12 on Win7, Intel(R) HD Graphics, 2 cores, 4gb  #1 wish VRay for Poser

bad render day iz worse than a bad hair day?


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

That looks really good.

www.acrionx.com | My Freebies | My Store


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

Very nice :smile:


 To create a post you must first sign in or register an account.