>  moviePig <pwall...@moviepig.com> wrote:
> > On Apr 13, 10:05 pm, anim8rFSK <anim8r...@cox.net> wrote:
> > > In article
> > > <314c91a9-b6f9-4805-b0a3-f2f65b6b3...@g38g2000yqh.googlegroups.com>,

> > >  Remysun <remysun2...@yahoo.com> wrote:
> > > > On Apr 12, 5:23 pm, The Starmaker <starma...@ix.netcom.com> wrote:

> > > > > "Now for the final flaw. It is, of course, the 3D process. Cameron has
> > > > > justly been praised for being one of the few directors to use 3D
> > > > > usefully, in "Avatar." But "Titanic" was not shot for 3D, and just as
> > > > > you cannot gild a pig, you cannot make 2D into 3D. What you can do, and
> > > > > he tries to do it well, is find certain scenes that you can present as
> > > > > having planes of focus in foreground, middle and distance. So what? Did
> > > > > you miss any dimensions the first time you saw "Titanic?" No matter how
> > > > > long Cameron took to do it, no matter how much he spent, this is
> > > > > retrofitted 2D. Case closed.

> > > > Except that CGI can be made into true 3-D by creating a perspective
> > > > shift, as has been done to any computer animated film.

> > > Except they don't.  Very few scenes in CGI are entirely 3D.  If the film
> > > wasn't intended to be shown in 3D, they still get converted like live
> > > action.

> > Afaik (which admittedly isn't terribly far) CGI action is modeled in
> > 3D, and only then is a geometric viewpoint chosen

> There are producers that think that's how it should be done.  We change
> their minds in the middle of the night, in a darkened parking lot, with
> baseball bats.

>  ...and thus a

> > stereoscopic rendering is a mere matter of choosing -- and rendering
> > -- two viewpoints.  If any "background" elements are composed in 2D,
> > I'd assume they're sufficiently in the distance to leave them "flat"
> > in 3D as well.

> No sir.  You don't want to model everything in 3D, and certainly don't
> want to render everything in 3D, so you end up with cheats and 2.5D and
> compositing and really can't just move the camera 90% of the time.