ppm2tiff(1) [redhat man page]
PPM2TIFF(1) General Commands Manual PPM2TIFF(1) NAME
ppm2tiff - create a TIFF file from a PPM image file SYNOPSIS
ppm2tiff [ options ] [ input.ppm ] output.tif DESCRIPTION
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 (Compression=5), and with each strip no more than 8 kilobytes. These character- istics can be overriden, 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: -c none for no compression, -c packbits for the PackBits compression algorithm, -c jpeg for the baseline JPEG compression algorithm, -c zip for the Deflate compression algorithm, and -c lzw for Lempel- Ziv & Welch compression (the default). -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 approxi- mately 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) October 15, 1995 PPM2TIFF(1)
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PPM2TIFF(1) General Commands Manual PPM2TIFF(1) NAME
ppm2tiff - create a TIFF file from PPM, PGM and PBM image files 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 approxi- mately 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/ libtiff March 1, 2006 PPM2TIFF(1)