"SharkD" wrote:
> Anyway, the above code
> works (as far as I can tell); I super-imposed it over a rotated version of 
> the
> "top side oblique" rendering I completed earlier, and everything lines up
> perfectly.

Is it intentional that the side facing the camera is a slight rhombe and not 
a perfect square? You'll see it if you render with a for example 640x480 
resolution. If this is what you call the "jagginess due to roundoff errors" 
then in my experience, these errors are far too large to just be rounding 
errors.

The camera below will give an identical image, exact that you get a perfect 
square (no "jagginess"):

#declare CameraDistance = 40;
camera {
   #local CameraArea = 3.03;
   #local CameraSkewed = 0.7;
   #local AspectRatio = image_width/image_height;
   orthographic
   location <-CameraSkewed,CameraSkewed,-1>*CameraDistance
   direction <CameraSkewed,-CameraSkewed,1>
   up y*CameraArea
   right x*CameraArea*AspectRatio
}

Rune
-- 
http://runevision.com

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