whats happen if you add fade_power and fade_distance in your interior
statement and play with ?





news:web.44ee75ddd9d40880598059850@news.povray.org...
> I used media to render my density file, the code piece is like follows:
>
> #declare container=object{
>   box {<0,0,0>, <1,1,1>
>    pigment {rgbt <1,1,1,1>}
>    interior {
>     media {
>      emission 1.
>      intervals 1
>      samples 5
>      method 3
>
>      density {
>       density_file df3 DENSFILE interpolate 1
>       color_map{
>         [0  rgb<0.12*2, 0.14*2, 0.225*2>]
>         [iso_value  rgb <0.6, 0.6, 0.0>]
>         [1.         rgb <1.3, 1.3, 0.0>]
>       }
>      }
>     }
>    }
>    hollow
>   }
> }
>
> In the code, DENSFILE represents my density file. and i get the result as
> shown in the right image.
>
> But i want to get a kind of result as shown in the left image(Feldmann et
> al. did it in their siggraph paper), where the pattern of their smoke
looks
>  clearer with the background, and the edge of smoke appears sharpish and
the
> transparency looks beautiful...
>
> I want to achieve the similar effect, then what's you guys' idea??
>
> thanks for your attention on this message!
>


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