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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta name="Content-Style" content="text/css">
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<title>FAX2TIFF</title>
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<body>
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FAX2TIFF
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NAME
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SYNOPSIS
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DESCRIPTION
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OPTIONS
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DIAGNOSTICS
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BUGS
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SEE ALSO
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NAME
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cols="2" cellspacing="0" cellpadding="0">
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fax2tiff − create a <small>TIFF</small> Class F fax
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file from raw fax data
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SYNOPSIS
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cols="2" cellspacing="0" cellpadding="0">
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fax2tiff [ options ] [ −o
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output.tif ] input.raw
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DESCRIPTION
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cols="2" cellspacing="0" cellpadding="0">
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Fax2tiff creates a <small>TIFF</small> file
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containing <small>CCITT</small> Group 3 or Group 4 encoded
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data from one or more files containing
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‘‘raw’’ Group 3 or Group 4 encoded
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data (typically obtained directly from a fax modem). By
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default, each row of data in the resultant
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<small>TIFF</small> file is 1-dimensionally encoded and
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padded or truncated to 1728 pixels, as needed. The resultant
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image is a set of low resolution (98 lines/inch) or medium
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resolution (196 lines/inch) pages, each of which is a single
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strip of data. The generated file conforms to the
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<small>TIFF</small> Class F ( <small>FAX</small> )
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specification for storing facsimile data. This means, in
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particular, that each page of the data does not
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include the trailing return to control (
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<small>RTC</small> ) code; as required for transmission by
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the <small>CCITT</small> Group 3 specifications. The old,
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‘‘classic’’, format is created if
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the −c option is used. (The Class F format can
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also be requested with the −f option.)
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The default name of the output image is fax.tif;
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this can be changed with the −o option. Each
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input file is assumed to be a separate page of facsimile
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data from the same document. The order in which input files
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are specified on the command line is the order in which the
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resultant pages appear in the output file.
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OPTIONS
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cols="2" cellspacing="0" cellpadding="0">
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Options that affect the interpretation of input data
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are:
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cols="5" cellspacing="0" cellpadding="0">
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−3
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Assume input data is <small>CCITT</small> Group 3
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encoded (default).
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−4
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Assume input data is <small>CCITT</small> Group 4
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encoded.
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−U
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Assume input data is uncompressed (Group 3 or Group
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4).
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−1
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Assume input data is encoded with the 1-dimensional
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version of the <small>CCITT</small> Group 3 Huffman encoding
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algorithm (default).
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−2
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Assume input data is 2-dimensional version of the
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<small>CCITT</small> Group 3 Huffman encoding algorithm.
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−P
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Assume input data is not EOL-aligned (default).
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This option has effect with Group 3 encoded input only.
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−A
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Assume input data is EOL-aligned. This option has effect
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with Group 3 encoded input only.
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−M
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Treat input data as having bits filled from most
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significant bit ( <small>MSB</small> ) to most least bit (
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<small>LSB</small> ).
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−L
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Treat input data as having bits filled from least
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significant bit ( <small>LSB</small> ) to most significant
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bit ( <small>MSB</small> ) (default).
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−B
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Assume input data was encoded with black as 0 and white
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as 1.
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−W
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Assume input data was encoded with black as 1 and white
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as 0 (default).
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−R
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Specify the vertical resolution, in lines/inch, of the
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input images. By default input are assumed to have a
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vertical resolution of 196 lines/inch. If images are low
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resolution facsimile, a value of 98 lines/inch should be
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specified.
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−X
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Specify the width, in pixels, of the input images. By
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default input are assumed to have a width of 1728
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pixels.
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cols="2" cellspacing="0" cellpadding="0">
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Options that affect the output file format are:
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cols="5" cellspacing="0" cellpadding="0">
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−o
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Specify the name of the output file.
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−7
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Force output to be compressed with the
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<small>CCITT</small> Group 3 Huffman encoding algorithm
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(default).
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−8
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Force output to be compressed with the
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<small>CCITT</small> Group 4 Huffman encoding.
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−u
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Force output to be uncompressed (Group 3 or Group
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4).
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−5
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Force output to be encoded with the 1-dimensional
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version of the <small>CCITT</small> Group 3 Huffman encoding
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algorithm.
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−6
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Force output to be encoded with the 2-dimensional
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version of the <small>CCITT</small> Group 3 Huffman encoding
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algorithm (default).
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Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−a
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Force the last bit of each End Of Line (
|
|
Packit |
994f1a |
<small>EOL</small> ) code to land on a byte boundary
|
|
Packit |
994f1a |
(default). This ‘‘zero padding’’
|
|
Packit |
994f1a |
will be reflected in the contents of the
|
|
Packit |
994f1a |
Group3Options tag of the resultant
|
|
Packit |
994f1a |
<small>TIFF</small> file. This option has effect with Group
|
|
Packit |
994f1a |
3 encoded output only.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−p
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Do not EOL-align output. This option has effect with
|
|
Packit |
994f1a |
Group 3 encoded output only.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−c
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Generate "classic" Group 3 TIFF format.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−f
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Generate TIFF Class F (TIFF/F) format (default).
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−m
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Force output data to have bits filled from most
|
|
Packit |
994f1a |
significant bit ( <small>MSB</small> ) to most least bit (
|
|
Packit |
994f1a |
<small>LSB</small> ).
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−l
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Force output data to have bits filled from least
|
|
Packit |
994f1a |
significant bit ( <small>LSB</small> ) to most significant
|
|
Packit |
994f1a |
bit ( <small>MSB</small> ) (default).
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−r
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Specify the number of rows (scanlines) in each strip of
|
|
Packit |
994f1a |
data written to the output file. By default (or when value
|
|
Packit |
994f1a |
0 is specified), tiffcp attempts to set the
|
|
Packit |
994f1a |
rows/strip that no more than 8 kilobytes of data appear in a
|
|
Packit |
994f1a |
strip (with except of G3/G4 compression schemes). If you
|
|
Packit |
994f1a |
specify special value −1 it will results in
|
|
Packit |
994f1a |
infinite number of the rows per strip. The entire image will
|
|
Packit |
994f1a |
be the one strip in that case. This is default in case of
|
|
Packit |
994f1a |
G3/G4 output compression schemes.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−s
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Stretch the input image vertically by writing each input
|
|
Packit |
994f1a |
row of data twice to the output file.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−v
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Force fax2tiff to print the number of rows of
|
|
Packit |
994f1a |
data it retrieved from the input file.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
−z
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Force output to be compressed with the LZW encoding.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
DIAGNOSTICS
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
cols="2" cellspacing="0" cellpadding="0">
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
The following warnings and errors come from the decoding
|
|
Packit |
994f1a |
routines in the library.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Warning, %s: Premature EOL at scanline %d (x
|
|
Packit |
994f1a |
%d).\n. The input data had a row that was shorter than
|
|
Packit |
994f1a |
the expected width. The row is padded with white.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
%s: Premature EOF at scanline %d (x %d).\n. The
|
|
Packit |
994f1a |
decoder ran out of data in the middle of a scanline. The
|
|
Packit |
994f1a |
resultant row is padded with white.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
%s: Bad code word at row %d, x %d\n. An invalid
|
|
Packit |
994f1a |
Group 3 code was encountered while decoding the input
|
|
Packit |
994f1a |
file. The row number and horizontal position is given. The
|
|
Packit |
994f1a |
remainder of the input row is discarded, while the
|
|
Packit |
994f1a |
corresponding output row is padded with white.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
%s: Bad 2D code word at scanline %d.\n. An invalid
|
|
Packit |
994f1a |
Group 4 or 2D Group 3 code was encountered while
|
|
Packit |
994f1a |
decoding the input file. The row number and horizontal
|
|
Packit |
994f1a |
position is given. The remainder of the input row is
|
|
Packit |
994f1a |
discarded, while the corresponding output row is padded with
|
|
Packit |
994f1a |
white.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
BUGS
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
cols="2" cellspacing="0" cellpadding="0">
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Input data are assumed to have a a ‘‘top
|
|
Packit |
994f1a |
left’’ orientation; it should be possible to
|
|
Packit |
994f1a |
override this assumption from the command line.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
SEE ALSO
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
cols="2" cellspacing="0" cellpadding="0">
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
<small>CCITT</small> Recommendation T.4
|
|
Packit |
994f1a |
(Standardization of Group 3 Facsimile Apparatus for Document
|
|
Packit |
994f1a |
Transmission).
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
The Spirit of TIFF Class F, an appendix to the
|
|
Packit |
994f1a |
TIFF 5.0 specification prepared by Cygnet Technologies.
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
tiffinfo(1), tiffdither(1),
|
|
Packit |
994f1a |
tiffgt(1), libtiff(3)
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
Libtiff library home page:
|
|
Packit |
994f1a |
http://www.remotesensing.org/libtiff/
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
|
|
Packit |
994f1a |
</body>
|
|
Packit |
994f1a |
</html>
|