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ppmrainbow !!!ppmrainbow NAME SYNOPSIS DESCRIPTION OPTIONS SEE ALSO AUTHOR ---- !!NAME ppmrainbow - Generate a rainbow !!SYNOPSIS __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. !!DESCRIPTION __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__. !!OPTIONS __-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. __-tmpdir__ The directory specification of the directory __ppmrainbow__ is to use for temporary files. Default is the value of the __TMPDIR__ environment variable, or ''/tmp'' if __TMPDIR__ is not set. __-verbose__ Print the ppmrainbow__ uses to create the image. !!SEE ALSO ppmmake(1), pnmcomp(1), pbmtext(1), ppmfade(1), ppm(5). !!AUTHOR Arjen Bax wrote __ppmrainbow__ in June 2001 and contributed it to the Netpbm package. Bryan Henderson wrote this man page in July 2001. ----
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