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Man Pages


Manual Reference Pages  -  RAS2TIFF (1)

NAME

ras2tiff - create a TIFF file from a Sun rasterfile

CONTENTS

Synopsis
Description
Options
Bugs

SYNOPSIS

ras2tiff [ options ] input.ras output.tif

DESCRIPTION

ras2tiff converts a file in the Sun rasterfile format to TIFF. By default, the TIFF image is created with data samples packed ( PlanarConfiguration=1), compressed with the Lempel-Ziv & Welch algorithm ( Compression=5), and with each strip no more than 8 kilobytes. These characteristics can overridden, or explicitly specified with the options described below.

Any colormap information in the rasterfile is carried over to the TIFF file by including a Colormap tag in the output file. If the rasterfile has a colormap, the PhotometricInterpretation tag is set to 3 (palette); otherwise it is set to 2 (RGB) if the depth is 24 or 1 (min-is-black) if the depth is not 24.

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 (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 approximately 8 kilobytes.

BUGS

Does not handle all possible rasterfiles. In particular, ras2tiff does not handle run-length encoded images.

SEE ALSO

pal2rgb(1), tiffinfo(1), tiffcp(1), tiffmedian(1), libtiff(3)

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

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libtiff RAS2TIFF (1) November 2, 2005

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