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ras2tiff(1)			 User Commands			   ras2tiff(1)

NAME
       ras2tiff - create a TIFF file from a Sun rasterfile

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 (PlanarCon‐
       figuration=1), compressed with the Lempel-Ziv and Welch algorithm (Com‐
       pression=5), and with each strip no more than 8 kilobytes. These	 char‐
       acteristics  can be 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	 (pal‐
       ette).  Otherwise,  the PhotometricInterpretation tag is set to 2 (RGB)
       if the depth is 24, or to 1 (min-is-black) if the depth is not 24.

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.

OPERANDS
       The following operands are supported:

       input.ras       The name of the input file that contains Sun rasterfile
		       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
       pal2rgb(1), tiffinfo(1), tiffcp(1), tiffmedian(1), libtiff(3)

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

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

SunOS 5.11			  26 Mar 2004			   ras2tiff(1)

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