rawtoppm man page on DigitalUNIX

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rawtoppm(1)							   rawtoppm(1)

       rawtoppm - convert raw RGB bytes into a portable pixmap

       rawtoppm [-headerskip N] [-rowskip N] [-rgb|-rbg|-grb |-gbr|-brg|-bgr ]
       [-interpixel|-interrow] width height [imagedata]

       Reads raw RGB bytes as input.  Produces a portable  pixmap  as  output.
       The  input  file	 is just RGB bytes.  You have to specify the width and
       height on the command line, since the program obviously can't get  them
       from  the  file.	  The  maxval  is assumed to be 255.  If the resulting
       image is upside down, run it through pnmflip -tb .

	      If the file has a header, you can use this flag to skip over it.

	      If there is padding at the ends of the rows,  you	 can  skip  it
	      with this flag.

       -rgb -rbg -grb -gbr -brg -bgr
	      These flags let you specify alternate color orders.  The default
	      is -rgb.

       -interpixel -interrow
	      These flags let you specify how the colors are interleaved.  The
	      default is -interpixel, meaning interleaved by pixel.  A byte of
	      red, a byte of green, and a byte	of  blue,  or  whatever	 color
	      order you specified.  -interrow means interleaved by row - a row
	      of red, a row of green, a row of	blue,  assuming	 standard  rgb
	      color  order.   An  -interplane flag  - all the red pixels, then
	      all the green, then all the blue - would be  an  obvious	exten‐
	      sion,  but is not implemented.  You could get the same effect by
	      splitting the file into three parts (perhaps using dd),  turning
	      each part into a PGM file with rawtopgm, and then combining them
	      with rgb3toppm.

       ppm(5), rawtopgm(1), rgb3toppm(1), pnmflip(1)

       Copyright (C) 1991 by Jef Poskanzer.

			       06 February 1991			   rawtoppm(1)

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