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The Datafile PD-CD 5
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1992-09-19
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Persistence of Vision Raytracer
Version 1.0
-------------------------------
The Persistence of Vision Raytracer creates
three-dimensional, photo-realistic images using a
rendering technique called ray tracing. It reads in a
text file containing information describing the objects
and lighting in a scene and generates an image of that
scene from the view point of a camera also described in
the text file. Ray tracing is not a fast process by any
means, but it produces very high quality images with
realistic reflections, shading, perspective, and other
effects.
This version was ported to the Acorn Archimedes by
Pete Goodwin, July 1992. This supersedes versions of
!PVray (1.7.2) and is the successor to Beta 0.5.
This version is approved by the POV-Team, but it is
not an official release and they have no way of
supporting it. They will try to answer any questions
where they are able, though. Any problems or queries
about this version should be directed to me, Pete
Goodwin.
This version has a front end (called Front) that
starts the ray tracer main task (called POVray). The
file !RunPOV is called by Front and the parameters
passed to !RunPOV. It is possible to run the raytracer
without the use of the front end application by studying
the manual for the command line switches to POVray. In
summary these are:
+i<filename> input scene filename
+o<filename> output image filename
+w#### width of image in pixels
+h#### height of image in pixels
+v verbose option (not implemented in
desktop version)
+d## display mode of previewer
+f? where t, d or r indicates Targa, Dump
(QRT) or Raw output file format
-f disable file output
+s#### start line for tracing portion of screen
+e#### end line for tracing portion of screen
+c continue an aborted partial image
+b#### buffer size. This should be 16 - it
indicates the size of file buffer in
kbytes. If you use -b0, it closes the
file every line - safer but much slower!
+a#### antialiasing
+q# quality
+l<path> library path
Pete Goodwin
15 Essex St
Reading
Berks
RG2 0EH
I can also be reached on Arcade and The World of Cryton
BBS.