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Man Pages


Manual Reference Pages  -  PPM2TIFF (1)

NAME

ppm2tiff - create a TIFF file from PPM, PGM and PBM image files

CONTENTS

Synopsis
Description
Options

SYNOPSIS

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

DESCRIPTION

ppm2tiff converts a file in the PPM, PGM and PBM image formats to TIFF. By default, the TIFF image is created with data samples packed ( PlanarConfiguration=1), compressed with the Packbits algorithm ( Compression=32773), and with each strip no more than 8 kilobytes. These characteristics can be overridden, or explicitly specified with the options described below

If the PPM file contains greyscale data, then the PhotometricInterpretation 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.

OPTIONS

-c Specify a compression scheme to use when writing image data: none for no compression, packbits for PackBits compression (will be used by default), lzw for Lempel-Ziv & Welch compression, jpeg for baseline JPEG compression, zip for Deflate compression, g3 for CCITT Group 3 (T.4) compression, and g4 for CCITT Group 4 (T.6) compression.
-r Write data with a specified number of rows per strip; by default the number of rows/strip is selected so that each strip is approximately 8 kilobytes.
-R Mark the resultant image to have the specified X and Y resolution (in dots/inch).

SEE ALSO

tiffinfo(1), tiffcp(1), tiffmedian(1), libtiff(3)

Libtiff library home page: http://www.remotesensing.org/libtiff/

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libtiff PPM2TIFF (1) March 1, 2006

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