MAN Solaris - ppm2tiff (1)

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NAME

ppm2tiff - create a TIFF file from a PPM image file

CONTENTS

SYNOPSIS

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

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DESCRIPTION

ppm2tiff converts a file in the PPM image format to TIFF. By default, the TIFF image is created with data samples packed (PlanarConfiguration=1), compressed with the Lempel-Ziv and Welch algorithm (Compression=5), 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 grayscale data, the PhotometricInterpretation tag is set to 1 (min-is-black). Otherwise, the PhotometricInterpretation 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 algorithm.

-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 TYPEATTRIBUTE VALUE
AvailabilitySUNWTiff
Interface stabilityEvolving

SEE ALSO

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

NOTES

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

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SunOS 5.11 ppm2tiff (1) 26 Mar 2004
Generated by Open Solaris Forum from /usr/share/man/man1/ppm2tiff.1 using man macros with tbl support.