> >
> > Did you try this variation ?
> > #declare Burning_Texture =
> >     texture {
> >         gradient x
> >         texture_map {
> >           [0.0 T_cells turbulence -0.2] [0.7 T_cells turbulence -0.2]
> >           [0.75 T_fire turbulence -0.2] [0.8 T_clear turbulence -0.2]
> >           }
> >         turbulence 0.2 // should only apply to the mapping
> >     } // end of texture
> >
> > You may need to use warp{turbulence -0.2} and warp{turbulence 0.2} for
> > this to work properly.
>
> I did, but it generates an parse error. If I put the turbulence -0.2 in the
> declaration for the T_cells texture or pattern, it does nothing, or it does two
> bits of turbulence that don't even each other out.
>

I've likewise tried many times in the past to 'reverse' or 'un-do' turbulence
(in various ways), but it never worked. If it's even possible, a workable scheme
would be quite useful.

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