On Wed, 22 Oct 2003 10:57:06 EDT, "timothy76" <tim### [at] freemailhu>
wrote:

>Hi guyz!
>
>Maybe somebody can help me. :) How can I define a
>God's Eye coordinate system (or a camera orientation)
>in POV?
>(a right-handed coordinate system where z points
>to upward)
>
>Thanks,
>Timothy
>


like this? :

camera {
  location
  direction <0, 0, 1> // y points forward (maybe -1,
                      // depending on what you mean
                      // by right handed)
  up <0, 0, 1>  // z points to upward
  right <(image_width / image_height), 0, 0>
  // or -(image)width / image_height, depending
  // on what you mean by right handed)
  // optional rotate camera here
  // optional translate camera here
}


direction, up, and right define the coordinate
system for the render.  don't use look_at with
them or it might revert to the regular POV
coords

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