POV-Ray : Newsgroups : povray.general : layering transparent surfaces, more than 4? : layering transparent surfaces, more than 4? Server Time
13 Aug 2024 05:41:25 EDT (-0400)
  layering transparent surfaces, more than 4?  
From: Cedar Cox
Date: 21 Oct 1998 00:44:38
Message: <362D5909.56F8@geocities.com>
It seems as though povray has a hard time layering more than four
transparent surfaces on top of each other.  Am I correct? Is this a
known issue? Or is it my version of Pov? (currently 3.00e, 3.02 won't
run)
Run this source and it should be fine, but change the loop from .4 to .5
and the last layer's transparent color will turn black.

---BEGIN POV FILE---
camera { location -z look_at 0 }
light_source { <0,0,-1> rgb 1 }
light_source { <0,0,1.5> rgb 1 }
#declare c=0
#while (c<.4) /* <-- change this to .5 */
  plane { z,0
    pigment { checker rgb x, rgbt<.5,.5,.5,1> scale .2 }
    translate <0,0,c>
  }
  #declare c=c+.1
#end
plane { z,2 pigment { rgb 1 } }
---END POV FILE---

Maybe I don't know about an option somewhere to increase the depth at
which pov traces through transparent textures, if so please tell me!
Thnks much
-Cedar


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