> > - A camera map_type.
>   How exactly would that work?

The camera "projects" the mapping to the object: lower left corner of the
rendered image is uv:<0,0> on the object, upper right is uv:<1,1>

The camera_plane works the same way: its an object, that has exactly the size of
the projection_plane. By increasing the distance, the camera_plane will become
bigger (in normal cases) to fill up the picture. Its always orientated to the
camera and has llc uv:<0,0> and urc uv:<1,1>

> > - Blurred reflection
>   Already possible. (See eg. http://warp.povusers.org/pics/RubiksRevenge2.jpg )

Ups.. didn't know this. How is the syntax for this?

> > - 3D-pattern in fog...
>   How is that different from media?

A media is a clipped_by a object. It would be very easy, just to put a pattern
inside the fog statement.

> One reason for creating pov4 has been to making it easier to export and
> import things.

Sounds cool :)

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