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ppmrainbow(1)									    ppmrainbow(1)

       ppmrainbow - Generate a rainbow

       ppmrainbow [-width=number] [-height=number]
       [-tmpdir=directory] [-verbose] color ...

       All  options  can be abbreviated to their shortest unique prefix.  You may use two hyphens
       instead of one to designate an option.  You may use either white  space	or  equals  signs
       between an option name and its value.

       ppmrainbow generates a PPM image that fades from one color to another to another from left
       to right, like a rainbow.  The colors are those you specify on the command line,  in  that
       order.  The first color is added again on the right end of the image.

       If you want a vertical or other non-horizontal rainbow, run the output through pnmrotate.

       One  use  for  such  a  rainbow is to compose it with another image under an alpha mask in
       order to add a rainbow area to another image.  In fact, you can make rainbow-colored  text
       by using pbmtext, pnmcomp, and ppmrainbow.

       -width number
	      The width in pixels of the output image.

	      Default is 600.

       -height number
	      The height in pixels of the output image.

	      Default is 8.

	      The  directory  specification  of  the directory ppmrainbow is to use for temporary

	      Default is the value of the TMPDIR environment variable, or /tmp if TMPDIR  is  not

	      Print the "commands" (invocations of other Netpbm programs) that ppmrainbow uses to
	      create the image.

       ppmmake(1), pnmcomp(1), pbmtext(1), ppmfade(1), ppm(5).

       Arjen Bax wrote ppmrainbow in June 2001 and contributed it to the Netpbm  package.   Bryan
       Henderson wrote this man page in July 2001.

					   1 July 2001				    ppmrainbow(1)
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