Stereo Split Sceen in O

Gerard Kleijwegt gerard at
Fri Aug 12 16:29:57 EST 1994

In article <Goldman-1108941012090001 at>, Goldman at (Adrian Goldman) writes:
|> In article <32ap27$o19 at>, dirk at (dirk) wrote:
|> > I am trying to get a few pictures ready for publication and would like
|> > to
|> > make some split-screen stereo images using O on an Evans and Sutherland
|> > workstation.  We also have O running on an Indigo, and I know how to
|> > make these images on it; but I can find no information in the manual on
|> > how to get the ESV version to go into split screen mode.  Does anyone
|> > out there know how to get this to work on the ESV?
|> The classic way of getting L/R stereo pairs for publication is to set up the
|> picture you want, full screen, mono for the (eg) left image, take a
|> picture,  then rotate the picture 6 degrees (or approx), and take a
|> picture for the right image.  The reason for doing this is that you lose
|> half the screen resolution in _all_ stereo modes (even on the ESV with its
|> fantastic anti-aliasing).  Consequently, if you do it the way I suggest,
|> the final printed images will be better, even though it means you have to
|> fiddle & stick two half-images together.
|> Of course, in the good old PS390 FRODO 6.6 days, there was a toggle that
|> switched between full-screen stereo, split stereo, left image and right
|> image. That way, it was dead simple to do what I am describing. Isn't it
|> amazing what advances in software & hardware can bring you?
|>                Adrian
|> -- 
|> Adrian Goldman, Ph. D.            |Phone:    intl+358-(9)21-6338029
|> Group Leader,                     |FAX:      intl+358-(9)21-6338000
|> Macromolecular Structures,        |Internet: Goldman at Ala.Btk.Utu.Fi
|> Centre for Biotechnology,         |          Goldman at Hippo.Btk.Utu.Fi     
|> P. L. 123,                        | Bitnet:  AGoldman at Finabo.Bitnet      
|> FIN-20521 Turku, Finland.         |

in the SGI version of O, this is controlled by the
in *all* versions of O, however, you can use the
Rotate_obj command:

  (make your picture; take a photo)
   O > rot_obj ;;
  (now you have the other one; take a photo)


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