"NEWS" <pen### [at] caramailfr> wrote:
> whats happen if you add fade_power and fade_distance in your interior
> statement and play with ?
>

 I tried and the results were not so good to play with fade_power and
fade_distance, but i found that authors of the left image just render their
result with millions of particles, so the left image looks so cool~~~~~,

And now i draw the conclusion that it's impossible to achieve the same
result by using the media object, anybody disagree with me??



> 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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