POV-Ray : Newsgroups : povray.beta-test : Bug List : another transform{} issue (Re: Bug List) Server Time: 9 Jul 2008 06:32:31 GMT
  another transform{} issue (Re: Bug List)  
From: stbenge
Date: 6 Feb 2008 00:04:36
Tim Attwood wrote:
> I've gone thru and tested these bugs on beta 25,
> I hope it's handy to have them listed in one place.
> 
> Transform Block Misaligns Texture in Union
> -----------------------------------------
> Use of transform {} may misalign textures in unioned objects. 

Transform Block Misaligns clipped_by Object in Union
-----------------------------------------
Use of transform {} misaligns any clipped_by object inside a union. This 
produces incorrect CSG.

Some code:

// code
union{
  sphere{0,1
   clipped_by{
    plane{y,0}
   }
  }
  sphere{0,1
   scale<1,.5,1>
   clipped_by{
    plane{-y,0}
   }
  }
  pigment{rgb 1}
  transform{
   translate y
   rotate z*45
  }
}
// end code

Sam


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