Manual Reference Pages - TIFFSV (1)
tiffsv - save an image from the framebuffer in a
TIFF file (Silicon Graphics version)
x1 x2 y1 y2 ]
tiffsv saves all or part of the framebuffer in a file using the
Tag Image File Format, Revision 6.0.
By default, the image is saved 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 be overridden, or explicitly specified
with the options described below.
Save the image as a greyscale image
as if it were processed by
This option is included for compatibility with the standard
Specify the compression to use for data written to the output file:
none for no compression,
packbits for PackBits compression,
jpeg for baseline JPEG compression,
zip for Deflate compression,
lzw for Lempel-Ziv & Welch compression (default).
LZW compression can be specified together with a
A predictor value of 2 causes
each scanline of the output image to undergo horizontal
differencing before it is encoded; a value
of 1 forces each scanline to be encoded without differencing.
LZW-specific options are specified by appending a :-separated
list to the lzw option; e.g.
-c lzw:2 for
LZW compression with horizontal differencing.
Specify the planar configuration to use in writing image data.
tiffsv will create a new file with the data samples packed contiguously.
-p contig will force data to be written with multi-sample data packed
-p separate will force samples to be written in separate planes.
Specify the number of rows (scanlines) in each strip of data
written to the output file.
tiffsv attempts to set the rows/strip
that no more than 8 kilobytes of data appear in a strip.
Except for the use of
TIFF, this program is equivalent to the standard
This means, for example, that you can use it in conjunction with
icut program simply by creating a link called
scrsave, or by creating a shell script called
scrsave that invokes
tiffgt with the appropriate options.
If data are saved compressed and in separate planes, then the
rows in each strip is silently set to one to avoid limitations
Libtiff library home page:
|libtiff ||TIFFSV (1) ||September 20, 2005 |
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