This is the command ras2tiff that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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 (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.
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