<fr### [at] computermuseumfh-kielde> wrote:

> // +A0.9 +AM2 +R3 -J0.0 +FN +W400 +H300
> // start of scene
> cylinder { <-1, 0, 2>, <1, 0.03, 2>, 0.03
>   texture {
>     pigment { color rgb .25 }
>     finish { ambient 1 diffuse 0 }
>     }
>   }
> // end of scene

This is not a complete scene...

> The maximum color difference is (according to the formula in the inbuilt
> help, 5.2.6.4): abs(.25-0)+abs(.25-0)+abs(.25-0) = .75, which is less than
> .9, so no anti-aliasing should be done.

In your scene, you should have something like a light source.  You cannot
take the color value of an object you enter, you have to take the color a
pixel will have after object finishes, light and all other effects have been
applied.

    Thorsten

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