In article <414b0e8f$1@news.povray.org> , "Jeremy M. Praay" 
<jer### [at] questsoftwarecom> wrote:

> I'm not sure that I follow.  Either that or you didn't follow me.  I think
> you're saying that my first estimate of 4800x3600 was closer (obviously
> assuming 4:3 aspect ratio for the original image), though a little on the
> high side.
>
> To avoid any further misunderstandings, my contention is that by using
> +sr/+sc/+er/+ec, we would have to take a 800x800 detail section of an image
> that was not less than 4619x3465 (still assuming 4:3 aspect ratio), if it
> was rendered in full, in order to get a detail section that was less than or
> equal to 1/25 of the entire image.  I suppose those dimensions may be
> negociable by a pixel for each dimension, depending on how/where things get
> rounded.

Well, this is what the povcomp sample page (linked in the post that started
this thread) has explained all along, and I don't understand why you are
repeating it?!?  If you already know the answer, why ask the question?
Sorry, I just don't understand your point then!

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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