Stereo Split Sceen in O

Adrian Goldman Goldman at
Thu Aug 11 03:12:09 EST 1994

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 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.         |

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