"simon shannon" <ssh### [at] tazqinetiqcom> wrote in 
news:web.3ef6c830ae88514ab7fd4d090@news.povray.org:

> 
> Instead of generating an image of the whole scene, I would just like
> to know the value of, say 1000 specified pixels taken from a 512x384
> view and write them out to a file. Is that possible?
> 
> 
> 

Yes.

5.2.2.1.2  Partial Output Options

If you are using the Windows client, as a shortcut you can highlight a 
section of the render window with your mouse for the same effect.

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