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Pampop9 User Manual(0)							   Pampop9 User Manual(0)

       pampop9 - simulate a multi-lens camera such as the Pop9

       pampop9 pnmfile|- xtiles ytiles xdelta ydelta

       This program is part of Netpbm(1)

       pampop9	tiles  your  starting image xtiles by ytiles times.  Each of these tiles is taken
       from a slightly different offset within the source, as determined by the xdelta and ydelta

       The  top line of tiles in the output is taken from the top of the source image, the second
       starts with the ydelta row of the source image, the next with the 2*ydelta row, and so on.
       Similarly,  the	first  column of tiles in the output is taken from the left of the source
       image, the next starts with the xdelta column, the next with the 2*xdelta column,  and  so

       With a 100 x 100 source image, then the output image from pampop9 3 3 10 10 will appear to
       be a three-by-three grid, each tile being 80 x 80 pixels.  If the origin is  taken  to  be
       the  top-left  corner, then the top row of tiles will take start at (0, 0) (10, 0) (20, 0)
       within the source image, the middle row will start at (0, 10) (10, 10) (20, 10),  and  the
       bottom row at (0, 20) (10, 20) (20, 20).

       pampop9 was new in Netpbm 10.15 (April 2003).  It was adapted slightly from pampup9, which
       was distributed by Robert Tinsley.  At that time, it was distributed via  http://www.thep-
       oacher.net/code/#pampup9.  By October 2004, that URL no longer was valid.


       Copyright (C) 2003 by Robert Tinsley.  This software is released under the GPL (
	http://www.fsf.org/licenses/gpl.txt <http://www.fsf.org/licensing/licenses/gpl.txt> ).

netpbm documentation			  02 March 2003 		   Pampop9 User Manual(0)
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