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- .\" $Id: tiffcmp.1,v 1.6 2009-08-24 19:13:40 bfriesen Exp $
- .\"
- .\" Copyright (c) 1988-1997 Sam Leffler
- .\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
- .\"
- .\" Permission to use, copy, modify, distribute, and sell this software and
- .\" its documentation for any purpose is hereby granted without fee, provided
- .\" that (i) the above copyright notices and this permission notice appear in
- .\" all copies of the software and related documentation, and (ii) the names of
- .\" Sam Leffler and Silicon Graphics may not be used in any advertising or
- .\" publicity relating to the software without the specific, prior written
- .\" permission of Sam Leffler and Silicon Graphics.
- .\"
- .\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- .\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- .\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- .\"
- .\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- .\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- .\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- .\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- .\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- .\" OF THIS SOFTWARE.
- .\"
- .if n .po 0
- .TH TIFFCMP 1 "November 2, 2005" "libtiff"
- .SH NAME
- tiffcmp \- compare two
- .SM TIFF
- files
- .SH SYNOPSIS
- .B tiffcmp
- [
- .I options
- ]
- .I "file1.tif file2.tif"
- .SH DESCRIPTION
- .I Tiffcmp
- compares the tags and data in two files created according
- to the Tagged Image File Format, Revision 6.0.
- The schemes used for compressing data in each file
- are immaterial when data are compared\-data are compared on
- a scanline-by-scanline basis after decompression.
- Most directory tags are checked; notable exceptions are:
- .IR GrayResponseCurve ,
- .IR ColorResponseCurve ,
- and
- .IR ColorMap
- tags.
- Data will not be compared if any of the
- .IR BitsPerSample ,
- .IR SamplesPerPixel ,
- or
- .I ImageWidth
- values are not equal.
- By default,
- .I tiffcmp
- will terminate if it encounters any difference.
- .SH OPTIONS
- .TP
- .B \-l
- List each byte of image data that differs between the files.
- .TP
- .BI \-z " number"
- List specified number of image data bytes that differs between the files.
- .TP
- .B \-t
- Ignore any differences in directory tags.
- .SH BUGS
- Tags that are not recognized by the library are not
- compared; they may also generate spurious diagnostics.
- .PP
- The image data of tiled files is not compared, since the
- .I TIFFReadScanline()
- function is used. An error will be reported for tiled files.
- .PP
- The pixel and/or sample number reported in differences may be off
- in some exotic cases.
- .SH "SEE ALSO"
- .BR pal2rgb (1),
- .BR tiffinfo (1),
- .BR tiffcp (1),
- .BR tiffmedian (1),
- .BR libtiff (3TIFF)
- .PP
- Libtiff library home page:
- .BR http://www.remotesensing.org/libtiff/
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