POV-Ray : Newsgroups : povray.binaries.images : Black Sphere ??? : Re: Black Sphere ??? Server Time
20 Aug 2024 06:18:01 EDT (-0400)
  Re: Black Sphere ???  
From: Josh English
Date: 25 Sep 2000 15:46:22
Message: <39CFABB1.32B88E31@spiritone.com>
The first thing I notice isthat the light source points to the looks like
object, but it doesn't have a texture. The system should give you a warning
about that.

Josh

Wyldegod wrote:

> I have been using the pov 3.1 for about 3 or 4 days and I have a
> question about a black sphere that appears on the ceiling in a enclosed
> space I have created.
> I used the lightbulb declare (slightly modified) from the tutorials to
> create a lightning sphere and it seems to have created a shadowed image
> of the sphere on the ceiling
>
> #include "colors.inc"
> #include "textures.inc"
>
> camera {
>    location <0, 40, -150>
>    look_at  <0, 35, 0>
>
>    }
>
> #declare Lightening_Sphere =
>       sphere { <0, 35, 0>, 10
>
>    }
>
> light_source { <0, 35, 0>
>        color Plum
>        looks_like { Lightening_Sphere }
>        }
>
> union {
> box { <-75, -3, 75>
>       <75, 0, -75>
>
>    }
>
> box { <-75, 0, 75>
>       <75, 75, 73>
>
>    }
>
> box { <-75, 0, -75>
>       <-73, 75, 75>
>
>    }
>
> box { <75, 0, 75>
>       <73, 75, -75>
>
>    }
>
> box { <-75, 75, 75>
>       <75, 73, -75>
>
>    }
>
> texture { Aluminum }
>
>    }
>
> sphere { <0, 30, 0>, 10
>     texture { Lightening2
>     scale 20 }
>    }
>
> It is a simple room of aluminum with a reflecting sphere of lightening
> but I cannot figure out where the shadow sphere came from.
>   My question is this...
>
> Does the light source not show a 360 degree arc.  I believe that it does
> and my experience with Lightwave and Studio Max leads me to believe that
> it should so where is the shadow sphere coming from?
>
> Thanks for any help on this subject.
>
> A note for the editors--
>
>     THIS IS A GREAT PROGRAM!!!

--
Josh English -- Lexiphanic Lethomaniac
eng### [at] spiritonecom
The POV-Ray Cyclopedia http://www.spiritone.com/~english/cyclopedia/


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