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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 (PlanarConfiguration=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 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 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.
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)
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