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Pamdice User Manual(0)							   Pamdice User Manual(0)

NAME
       pamdice - slice a Netpbm image into many horizontally and/or vertically

EXAMPLE
	   $ pamdice myimage.ppm -outstem=myimage_part -width=10 -height=8
	   $ pamundice myimage_part_%1d_%1a.ppm -across=10 -down=8 >myimage.ppm

	   $ pamdice myimage.ppm -outstem=myimage_part -height=12 -voverlap=9


SYNOPSIS
       pamdice

       -outstem=filenamestem

       [-width=width]

       [-height=height]

       [-hoverlap=hoverlap]

       [-voverlap=voverlap]

       [-verbose]

       [filename]

       You  can  use  the  minimum  unique  abbreviation of the options.  You can use two hyphens
       instead of one.	You can separate an option name from its value with white  space  instead
       of an equals sign.

DESCRIPTION
       This program is part of Netpbm(1)

       pamdice	reads  a  PAM,	PBM, PGM, or PPM image as input and splits it horizontally and/or
       vertically into equal size pieces and writes them into separate files as the same kind  of
       image.  You can optionally make the pieces overlap.

       See the -outstem option for information on naming of the output files.

       The -width and -height options determine the size of the output pieces.

       pamundice can rejoin the images.  For finer control, you can also use

       pnmcat.

       One  use for this is to make pieces that take less computer resources than the whole image
       to process.  For example, you might have an image so large that an image editor can't read
       it  all	into  memory  or  processes  it very slowly.  With pamdice, you can split it into
       smaller pieces, edit one at a time, and then reassemble them.

       Another use for this is to print a large image in small printer-sized pieces that you  can
       glue together.  ppmglobe does a similar thing; it lets you glue the pieces together into a
       sphere.

       If you want to cut pieces from an image individually, not in a regular grid, use pamcut.

OPTIONS
       -outstem=filenamestem
	      This option determines the names of the output files.  Each output  file	is  named
	      filenamestem_y_x.type where filenamestem is the value of the -outstem option, x and
	      y are the horizontal and vertical locations, respectively, in the  input	image  of
	      the output image, zero being the leftmost and top, and type is .pbm, .pgm, .ppm, or
	      .pam, depending on the type of image.

       -width=width
	      gives the width in pixels of the output images.  The rightmost pieces  are  smaller
	      than this if the input image is not a multiple of width pixels wide.

       -height=height
	      gives  the  height  in  pixels of the output images.  The bottom pieces are smaller
	      than this if the input image is not a multiple of height pixels high.

       -hoverlap=hoverlap
	      gives the horizontal overlap in pixels between output images.  Each image in a  row
	      will overlap the previous one by hoverlap pixels.  By default, there is no overlap.

	      This option was new in Netpbm 10.23 (July 2004).

       -voverlap=voverlap
	      gives  the  vertical  overlap  in pixels between output images.  Each row of images
	      will overlap the previous row by voverlap pixels.  By default, there is no overlap.

	      This option was new in Netpbm 10.23 (July 2004).

       -verbose
	      Print information about the processing to Standard Error.

HISTORY
       pamdice was new in Netpbm 9.25 (March 2002).

       Before Netpbm 10.29 (August 2005), there was a limit of 100 slices in each direction.

SEE ALSO
       pamundice(1) , pamcut(1) , pnmcat(1) , pgmslice(1) , ppmglobe(1)

       pnm(1)

       pam(1)

netpbm documentation			   1 April 2007 		   Pamdice User Manual(0)
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