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authorAndrey Kiselev <dron@ak4719.spb.edu>2003-02-27 15:04:46 +0000
committerAndrey Kiselev <dron@ak4719.spb.edu>2003-02-27 15:04:46 +0000
commit1f209352717198ab75e005015a6a9092e6b37534 (patch)
tree9f95ea6aefbb991eee8d8c686073b5a493bd4492 /man
parent434396645b8c58dd368f36f4f7b8aa3a4a9bd92b (diff)
downloadlibtiff-git-1f209352717198ab75e005015a6a9092e6b37534.tar.gz
New switch (-X) to set width of raw input page. Patch supplied by
Julien Gaulmin. See http://bugzilla.remotesensing.org/show_bug.cgi?id=293 for details.
Diffstat (limited to 'man')
-rw-r--r--man/fax2tiff.134
1 files changed, 18 insertions, 16 deletions
diff --git a/man/fax2tiff.1 b/man/fax2tiff.1
index 9d082068..a542df6d 100644
--- a/man/fax2tiff.1
+++ b/man/fax2tiff.1
@@ -1,4 +1,4 @@
-.\" $Header: /cvs/maptools/cvsroot/libtiff/man/fax2tiff.1,v 1.2 2003-02-03 16:54:22 dron Exp $
+.\" $Header: /cvs/maptools/cvsroot/libtiff/man/fax2tiff.1,v 1.3 2003-02-27 15:04:46 dron Exp $
.\"
.\" Copyright (c) 1990-1997 Sam Leffler
.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
@@ -23,7 +23,7 @@
.\" OF THIS SOFTWARE.
.\"
.if n .po 0
-.TH FAX2TIFF 1 "September 24, 1994"
+.TH FAX2TIFF 1 "February 27, 2003"
.SH NAME
fax2tiff \- create a
.SM TIFF
@@ -36,7 +36,7 @@ Class F fax file from raw fax data
.B \-o
.I output.tif
]
-.I input.g3
+.I input.raw
.SH DESCRIPTION
.I Fax2tiff
creates a
@@ -44,10 +44,10 @@ creates a
file containing
.SM CCITT
Group 3 or Group 4 encoded data from one or more files containing ``raw''
-Group 3 encoded data (typically obtained directly from a fax modem).
+Group 3 or Group 4 encoded data (typically obtained directly from a fax modem).
By default, each row of data in the resultant
.SM TIFF
-file is 2-dimensionally encoded and
+file is 1-dimensionally encoded and
padded or truncated to 1728 pixels, as needed.
The resultant image is a set of low resolution (98 lines/inch)
or medium resolution (196 lines/inch)
@@ -98,7 +98,7 @@ Assume input data is
Group 4 encoded.
.TP
.B \-U
-Assume input data is uncompressed.
+Assume input data is uncompressed (Group 3 or Group 4).
.TP
.B \-1
Assume input data is encoded with the 1-dimensional version of the
@@ -131,20 +131,23 @@ Treat input data as having bits filled from least significant bit (\c
.SM LSB\c
) to most significant bit (\c
.SM MSB\c
-). (This is the default.)
+) (default).
.TP
.B \-B
Assume input data was encoded with black as 0 and white as 1.
.TP
.B \-W
-Assume input data was encoded with black as 1 and white as 0.
-(This is the default.)
+Assume input data was encoded with black as 1 and white as 0 (default).
.TP
.B \-R
Specify the vertical resolution, in lines/inch, of the input images.
By default input are assumed to have a vertical resolution of 196 lines/inch.
If images are low resolution facsimile, a value of 98 lines/inch should
be specified.
+.TP
+.B \-X
+Specify the width, in pixels, of the input images.
+By default input are assumed to have a width of 1728 pixels.
.PP
Options that affect the output file format are:
.TP
@@ -154,7 +157,7 @@ Specify the name of the output file.
.B \-7
Force output to be compressed with the
.SM CCITT
-Group 3 Huffman encoding algorithm.
+Group 3 Huffman encoding algorithm (default).
.TP
.B \-8
Force output to be compressed with the
@@ -162,7 +165,7 @@ Force output to be compressed with the
Group 4 Huffman encoding.
.TP
.B \-u
-Force output to be uncompressed (Group 3 and Group 4)
+Force output to be uncompressed (Group 3 or Group 4).
.TP
.B \-5
Force output to be encoded with the 1-dimensional version of the
@@ -194,7 +197,7 @@ output only.
Generate "classic" Group 3 TIFF format.
.TP
.B \-f
-Generate TIFF Class F (TIFF/F) format.
+Generate TIFF Class F (TIFF/F) format (default).
.TP
.B \-m
Force output data to have bits filled from most significant bit (\c
@@ -208,7 +211,7 @@ Force output data to have bits filled from least significant bit (\c
.SM LSB\c
) to most significant bit (\c
.SM MSB\c
-). (This is the default.)
+) (default).
.TP
.B \-s
Stretch the input image vertically by writing each input row of
@@ -223,7 +226,7 @@ The following warnings and errors come from the decoding
routines in the library.
.PP
.BR "Warning, %s: Premature EOL at scanline %d (x %d).\en" .
-The input data had a row that was shorter than the expected value of 1728.
+The input data had a row that was shorter than the expected width.
The row is padded with white.
.PP
.BR "%s: Premature EOF at scanline %d (x %d).\en" .
@@ -246,7 +249,6 @@ The row number and horizontal position is given.
The remainder of the input row is discarded, while
the corresponding output row is padded with white.
.SH BUGS
-Should not have the constant width 1728 built into it.
Input data are assumed to have a a ``top left'' orientation;
it should be possible to override this assumption
from the command line.
@@ -254,7 +256,7 @@ from the command line.
.I "\s-1CCITT\s+1 Recommendation T.4"
(Standardization of Group 3 Facsimile Apparatus for Document Transmission).
.PP
-.IR "The Spirit of TIFF Class F" ,
+.IR "The Spirit of TIFF Class F",
an appendix to the TIFF 5.0 specification prepared by Cygnet Technologies.
.PP
.IR tiffinfo (1),