POV-Ray : Newsgroups : povray.binaries.scene-files : Fire problem with POV-Ray 3.1 : Re: Fire problem with POV-Ray 3.1 Server Time
29 Mar 2024 08:17:10 EDT (-0400)
  Re: Fire problem with POV-Ray 3.1  
From: Hendrik Knaepen
Date: 24 Oct 1998 16:43:21
Message: <36322DAD.C41FD56C@skynet.be>
Ken wrote:

> Try lowering the filter value on your pigment.
>
> Ken Tyler

I think, if you do that, you will see the container-object, but you
won't get more realistic flames.  To make the center more opaque (or how
do you spell it), you should increase the amount of emission.  A value
of about 5 (or even higher) should do the job.

(Please correct me if I'm wrong.)
ZK

>
>
> 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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