in news:3CF28296.8EF4122A@pobox.com Anton Sherwood wrote:

> camera {
>      up y
>      location <0, 0, -4>
>      look_at 0
>      orthographic
>      }

"orthographic" should be the first stament in the camera.
See doc 2.6.14, 6.4.2 & 6.4.2.2

Ingo

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