Trevor G Quayle <Tin### [at] hotmailcom> wrote:
> I think it should be:

>          right image_width
>          up image_height

  Doesn't that assume that pixels are square?

  If he is using a 4:3 monitor with a 1280x1024 resolution, the pixels
are not square and the rendered image will then look distorted.

-- 
                                                          - Warp

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