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Just make your camera vectors perpendicular and the error will go away! I
get this with leveller scenes and have to adjust the camera specs to make it
work.
Mick
"Paul Vanukoff" <van### [at] primenet com> wrote in message
news:394bab87$1@news.povray.org...
>
> I am rendering a very simple scene, with a plane {y,0} and some
> superellipsoid{} objects. If I have just one SE object, the scene renders
> fine, if I have more than one, I get the error found here:
>
> -----------
> Preset INI file is 'D:\PVF409\POVRAY\renderer\quickres.ini', section is
> '[640x480, No AA]'.
> Preset source file is 'D:\pvf409\POVRay\myscenes\puzztest.pov'.
> Persistence of Vision(tm) Ray Tracer Version 3.1g.watcom
> This is an official version prepared by the POV-Ray Team(tm). See the
> documentation on how to contact the authors or visit us on the
> internet at http://www.povray.org.
> Copyright 1999 POV-Ray Team(tm)
> This Windows version by Christopher J. Cason
> Parsing Options
> Input file: D:\pvf409\POVRay\myscenes\puzztest.pov (compatible to
version
> 3.1)
> Remove bounds........On Split unions........Off
> Library paths: D:\pvf409\POVRay\INCLUDE
> Output Options
> Image resolution 640 by 480 (rows 1 to 480, columns 1 to 640).
> Output file: puzztest.bmp, 24 bpp (system format)
> Graphic display......On (type: 0, palette: 3, gamma: 2.2)
> Mosaic preview......Off
> CPU usage histogram.Off
> Continued trace.....Off Allow interruption..Off Pause when
done.....Off
> Verbose messages.....On
> Tracing Options
> Quality: 9
> Bounding boxes.......On Bounding threshold: 3
> Light Buffer.........On Vista Buffer.........On Draw Vista
Buffer...Off
> Antialiasing........Off
> Radiosity...........Off
> Animation Options
> Clock value.... 0.000 (Animation off)
> Redirecting Options
> All Streams to console..........On
> Debug Stream to console.........On
> Fatal Stream to console.........On
> Render Stream to console........On
> Statistics Stream to console....On
> Warning Stream to console.......On
> D:\pvf409\POVRay\myscenes\puzztest.pov:202: warning: Camera vectors are
not
> perpendicular. Making look_at the last statement may help.
>
> Scene contains 3 frame level objects; 1 infinite.
>
> Slab building error.
> Cannot use non-perpendicular camera vectors with vista buffer.
>
>
> Returned from renderer (non-zero return value)
>
> -------------
>
> My camera statement is
>
> camera
> {
> location < 0.0, 20.0,-20.0>
> look_at < 0.0, 0.0, 0.0>
> orthographic
> right 20*x
> up 20*y
> }
>
> I know the vectors are not perpendicular, but I need the vertical skew (it
> makes each pov unit exactly 32x24 pixels on screen) for this project. Any
> ideas?
>
> --
> Paul Vanukoff
>
>
>
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