Try lowering the filter value on your pigment.

Ken Tyler

heiko.rappich wrote:

> Hi all,
> I created flames with "media" in the new POV-Ray 3.1, but the center of
> the flames are
> always partial transparent. Flames created with "halo" in POV-Ray 3.02
> are not transparent
> in the hot flame center and more realistic.
> My question: How can i create better flames with "media"?
>
> Many thanks,
>
> Heiko
>
> The problematic code:
>
> #include "colors.inc"
> #include "textures.inc"
>
> camera {
>   location   < 0, 2, 4 >
>  look_at    < 0, 0, 0 >
>  }
>
> light_source { < -25, 35, 34 >
> color White
> }
>
> sphere {
> <-.5,0,-1> 1.5
>     pigment { color rgbf<1, 1, 1, 1> }
>     finish { ambient 0 diffuse 0 }
>      interior{
>         media{
>         emission 0.68
>         intervals 5
>         samples 5, 10
>         confidence 0.999
>         variance 1/1000
>            density {
>                 spherical
>                 ramp_wave
>                 color_map {
>                         [0.0 color rgb <0.0, 0.0, 0.0>]
>                         [0.2 color rgb <1.0, 0.0, 0.0>]
>                         [1.0 color rgb <1.0, 1.0, 0.0>]
>                 }
>
>                turbulence 1.9
>                frequency 2
>                scale .7
>            }
>
>         }
>      }
>     hollow
>     scale 1.9
>
>   }
>
> plane
> {
>   y,
>   -2
>   pigment { checker color White color Black }
> }

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