You kind of answered your own question, the object you exampled with is
what you would model and slice into thin planar sections (along the z
axis most likely, using a box for CSGing let's say) as frame output.
Then use those in tga2df3.
I'm not one to explain them myself so I'll stop right there. Gee, I
thought you were able to do this kind of thing already though, you are
quite a capable person.


Ken wrote:
> 
> Ron Parker wrote:
> >
> > On Fri, 16 Apr 1999 11:57:01 -0700, Ken <tyl### [at] pacbellnet> wrote:
> > >  That would of course be appreciated but I think that the one thing
> > >on many peoples minds at this point is what exactly should a .df3 file
> > >contain ? What does it do and how can a person control it to make the
> > >media conform to a shape at will ?
> >
> > Have you ever found yourself wishing you could create a 3D bitmap?
> > Perhaps something simple, like alternating octahedra and tetrahedra
> > in a nice lattice.  Or something complex, perhaps a swirly pattern
> > that can't be modeled with POV's built-in procedural textures. Say
> > you have a nice algorithm to generate it but the only language you
> > know is Visual Basic, so patching POV is out of the question.
> >
> > Well, a .df3 file is just that: a 3D bitmap.  When you use one, it's
> > just like an imagemap (well... more like Nathan's image_pattern patch,
> > in that it works with color_map) except that it varies in all three
> > dimensions instead of just two.
> >
> > You're the artist here; you tell me how useful such a thing is. :)
> 
>   I have as yet insuffecient data to perform a meaningful task.
> 
>   I am not arguing it's potential for the artist I am crying for more
> imput on how to use it. I even to some degree understand the 3d image
> file concept but don't know where to start in it's implementation.
> For example the program tga2df3. If I wanted to create a simple shape
> let's pick something simple like a narrow cylinder with a sphere on top.
> Your basic tootsi pop shaped object. What kind of tga images would I
> feed tga2df3 to realize this shape when applied in a density statement ?
> 
>   Give me fundamentals I will worry about concepts later. I need buttons
> to push not fancy words to ponder. Give me a damn monkey wrench so I
> can start to work with it.
> 
> Buzz ! Click !
> 
> --
> Ken Tyler
> 
> mailto://tylereng@pacbell.net

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