RAS2TIFF(1)                                                        RAS2TIFF(1)


       ras2tiff - create a TIFF file from a Sun rasterfile


       ras2tiff [ options ] input.ras output.tif


       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 & Welch algorithm (Com-
       pression=5), and with each strip no more than 8 kilobytes.  These char-
       acteristics  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 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.


       -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.


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


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

                               October 15, 1995                    RAS2TIFF(1)

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