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ppm2tiff(1)			 User Commands			   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 and Welch algorithm (Compres‐
       sion=5), and with each strip no more than 8 kilobytes. These character‐
       istics  can  be	overridden  or	explicitly  specified with the options
       described below.

       If the PPM file contains grayscale data, the  PhotometricInterpretation
       tag  is	set to 1 (min-is-black). Otherwise, the PhotometricInterpreta‐
       tion tag is set to 2 (RGB).

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

OPTIONS
       The following options are supported:

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

		       -c jpeg		       Baseline JPEG compression algo‐
					       rithm.

		       -c lzw		       Lempel-Ziv and Welch algorithm.
					       This is the default algorithm.

		       -c none		       No compression.

		       -c packbits	       PackBits compression algorithm.

		       -c zip		       Deflate compression algorithm.

       -r	       Write data with a specified number of rows  per	strip.
		       By default, the number of rows per 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 per inch.

OPERANDS
       The following operands are supported:

       input.ppm       The name of the input file that contains PPM data.

       output.tif      The name of the output file that contains TIFF data.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Availability		     │image/library/libtiff	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface stability	     │Uncommitted		   │
       └─────────────────────────────┴─────────────────────────────┘

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

NOTES
       Updated by Breda McColgan, Sun Microsystems Inc., 2004.

SunOS 5.11			  26 Mar 2004			   ppm2tiff(1)

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