# info > rgb3toppm

[rgb3toppm(1)](https://www.chedong.com/phpMan.php/man/rgb3toppm/1/markdown)                General Commands Manual               [rgb3toppm(1)](https://www.chedong.com/phpMan.php/man/rgb3toppm/1/markdown)

## NAME
       rgb3toppm - combine three portable graymaps into one portable pixmap

## SYNOPSIS
       rgb3toppm redpgmfile greenpgmfile bluepgmfile

## DESCRIPTION
       Reads three portable graymaps as input.  Combines them and produces one
       portable pixmap as output.

## SEE ALSO
       [ppmtorgb3(1)](https://www.chedong.com/phpMan.php/man/ppmtorgb3/1/markdown), [pgmtoppm(1)](https://www.chedong.com/phpMan.php/man/pgmtoppm/1/markdown), [ppmtopgm(1)](https://www.chedong.com/phpMan.php/man/ppmtopgm/1/markdown), [ppm(5)](https://www.chedong.com/phpMan.php/man/ppm/5/markdown), [pgm(5)](https://www.chedong.com/phpMan.php/man/pgm/5/markdown)

## AUTHOR
       Copyright (C) 1991 by Jef Poskanzer.

                               15 February 1990                   [rgb3toppm(1)](https://www.chedong.com/phpMan.php/man/rgb3toppm/1/markdown)