tldr/pages/common/pgmtoppm.md

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# pgmtoppm
> Colorize a PGM image.
> More information: <https://netpbm.sourceforge.net/doc/pgmtoppm.html>.
- Map all greyscale values of the input image to all colors between the two specified colors:
`pgmtoppm -black {{red}} --white {{blue}} {{path/to/input.pgm}} > {{path/to/output.ppm}}`
- Map all greyscale values of the input image to colors according to the specified colormap:
`pgmtoppm -map {{path/to/colormap.ppm}} {{path/to/input.pgm}} > {{path/to/output.ppm}}`