In a message dated 11/9/2007 11:14:38 P.M.  Pacific Standard Time, 
[EMAIL PROTECTED] writes:
> And anyone who wants to  expound more on  the difference between barrel 
> distortion and  perspective distortion, too, feel  free.

In perspective distortion  straight lines remain straight lines, but
parallel lines don't remain  parallel.   In barrel (or pincushion)
distortion straight lines  become bent.


=================
Thanks, John, that is very clear.  

So was the rest of it.

Marnie aka Doe  :-)

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