ras2tiff

RAS2TIFF(1)							  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  (Planar-
       Configuration=1),  compressed  with  the	 Lempel-Ziv & Welch algorithm
       (Compression=5), and with each strip no more than 8 kilobytes.	These
       characteristics	can  overriden,	 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 raster-
       file 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 compres-
	      sion algorithm, -c jpeg for the baseline JPEG compression algo-
	      rithm, -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)



			       October 15, 1995			  RAS2TIFF(1)