Re: [photo-3d] progressive framed stereo

[Stéphane DELBECQ <stephane.delbecq@xxxxxxxx>]

----- Message d'origine -----
De : Ron Beck <rbeck@xxxxxxxx>
À : <photo-3d@xxxxxxxxxxx>
Envoyé : mercredi 13 septembre 2000 16:28
Objet : Re: [photo-3d] progressive framed stereo


>
>
> John Toeppen wrote:
> >
> > I have tried sort of thing with film but only done segments of an arc.
> > Boy, it takes alot of film and scanning to do this job right.  Maybe I
> > will finish those someday.  After I mount the five rolls of the car
> > show, a few rolls of Yosemite, and complete my next CDs. It is easier to
> > shoot a bit hyper with long lenses (for low distortion) and display only
> > a fraction of the image at a time.
>
> One suggestion I've seen on making SLR panoramics (multiple pictures
> taped together) is to pivot the camera at the point where the image is
> going "straight" through the lens configuration rather than at the
> tripod.  For example...
>
>         \
>          \         /|
>           \       / |
>  scene     ()===()  | film
>           /   ^   \ |
>          /    |    \|
>         /     |
>               +-- pivot here
>
> This will keep your panoramic scene from curving as you tape them
> together.  Add a slide bar to this to give you your inter-occular and a
> ViewMagic to view the resulting 3D image and you should have a winning
> combination.
>
> Ron
>
>
> It seems that your pivot point is the nodal point
it is perfect to pivot on the nodal point for multiples pictures panorama
but when you use the slide bar to create 3d effect you loose that nodal
point
I am not sure to be clear but that's all I can explain with my poor english
Steff