POV-Ray : Newsgroups : povray.unofficial.patches : Stereoscopic POV-ray : Re: Stereoscopic POV-ray Server Time
8 Jul 2024 13:33:45 EDT (-0400)
  Re: Stereoscopic POV-ray  
From: Harold Baize
Date: 20 Feb 2002 15:51:11
Message: <3c740c3f$1@news.povray.org>
Excellent! I look forward to playing with your stereoscopic
patch.

HB


news:3C7### [at] webconde...
> Harold Baize wrote:
>  > Hermann, Great. I'm a stereo enthusiast too. Stereo is why I
>  > started doing POV-Ray. I also would be more interested in output
>  > as JPS for use with LCS glasses than anaglyph output.
>  >
>  > Do you know of SAB's stereo patch?
>  >
>  > http://sabix.etdv.ruhr-uni-bochum.de/sabpov/
>  >
>
> As I came acros it, most of the work for my patch was alredy done. I
> didn't try it, but from the description at the webpage it seems, it is
> rather focused at providing different output formats.
>
> Anyway, fisheye-type perspective is very important to me, and for this
> I had to create a new projection type that can be made steresocopic
> over the whole viewing range.
>
>
>
>  > .....and then POV 3.5 came along and the patch is for 3.1g.
> Yes 3.5 !!
>  From looking at the MegaPOV sources I guess it will be possible to
> adapt my patch to it. But post-processing hooks in at the same
> locations where my patch hooks in, so I decided to first do it for
> 3.1g and wait for the release of the 3.5 sources. I'm verry impatient
> to be able to try out photons and iso surfaces, as you may guess. :-)
>
>
>  >
>  > How do you approach the stereo window?
>  >
>
> My approach is: let the "up" and "right" vectors specify the image
> dimensions (i.e. dimensions of the resulting window) in pov ray units.
> So the user may chose the pov ray units to represent real world units
> as he/she sees fit.
> To give an example, I use 1 pov ray unit = 1 m and use
>
> camera{location 0
>         direction 1.75 * z
>         up 3/4 * 1.8 * y
>         right    1.8 * x
>         translate ....
>         look_at ....
>         }
> to get a f=35mm view correctly adjusted for a typical home/club
> projection screen of 1.8 meters width. I.e. if you magnify the
> resulting image so it is 1.8m wide, the max.deviation (for objects
> located in infinity) results to 65mm.
>
> Of course you may use the "angle" keyword, but by using "direction", I
> know precisely where in my scene the stereoscopic window will be located.
>
> Regards,
> Hermann
>


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