Never mind.

I played with the cylinder to discover the basic concept of the lightsource
being inside the cylinder. Silly me.

If the moderators want to delete my post, I'll play along. LOL

Anne



"Anne Courtois" <nomail@nomail> wrote:
> Hi guys,
>
> Look at this file. When I render this without the cylinder at the end. My filter
> box is green. When its in, my filter' green complexion disappears.
>
> What am I doing wrong?
>
> Anne
>
> ************************************
>   #include "textures"
>   #include "colors"
>   #include "stones.inc"
>   #include "Glass"
>
>   global_settings
> {
>   max_trace_level 10
> }
>
>   #declare Lightbulb = union {
>     merge {
>        cylinder {
>         <0,0,1>, <0,0,0>, 0.2
>         //scale <0.35, 0.35, 1.0>
>         translate  1*z
>       }
>       texture {
>         pigment {color rgb <1, 1, 1>}
>         finish {ambient .8 diffuse .6}
>       }
>     }
>
>   }
>
> camera {
>  location <10, 10, 1>
>  look_at <0, 0, 0>
>  right x*1920/1080
>  }
>
>
>   light_source {
>     <0, 2, 0>
>     color White
>     looks_like { Lightbulb }
>   }
>
> //Filter box
> box { <0.2, 5, 0.2>, <2.2, 5.125, 2.2>
>  pigment { color rgbft <0.1, 1.0, 0.1, 1.0, 0> }
>  texture {
>    T_Glass2
>    }
>  finish {
>    diffuse 0.9
>       ambient 0.4
>       specular 1.0
>       roughness 0.1
>       brilliance 0.01
>       reflection {
>        0.3
>           }
>        refraction 1.0
>    }
>  }
>
> //Floor
> box { <0, 0, 0>, <5, 0.125, 5>
>  texture{
>  T_Stone44
>  scale 2
>    }
>  }
>
> cylinder { <0, 0, 0>, <0, 10, 0>, 0.0625
>   pigment { color Blue }
>   finish {
>    ambient 0.5
>    diffuse 0.5
>    }
>   }

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