ppm2tiff [ options ] [ input.ppm ] output.tif

ppm2tiff converts a file in the PPM image format to TIFF. By default,
the TIFF image is created with data samples packed (PlanarConfigura-
tion=1), compressed with the Lempel-Ziv & Welch algorithm (Compres-
sion=5), and with each strip no more than 8 kilobytes. These charac-
teristics can be overriden, or explicitly specified with the options
described below

If the PPM file contains greyscale data, then the PhotometricInterpre-
tation tag is set to 1 (min-is-black), otherwise it is set to 2 (RGB).

If no PPM file is specified on the command line, ppm2tiff will read
from the standard input.

-c Specify a compression scheme to use when writing image data: -c

-r Write data with a specified number of rows per strip; by

-R Mark the resultant image to have the specified X and Y resolu-

tiffinfo, tiffcp, tiffmedian, libtiff(3)