NAME
tiffcmp - compare two TIFF
files
SYNOPSIS
tiffcmp [ options ] file1.tif
file2.tif
DESCRIPTION
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: GrayResponseCurve,
ColorResponseCurve, and ColorMap tags. Data will not
be compared if any of the BitsPerSample,
SamplesPerPixel, or ImageWidth values are not equal.
By default, tiffcmp will terminate if it encounters any
difference.
OPTIONS
- -l
- List each byte of image data that differs between the files.
- -z number
- List specified number of image data bytes that differs between
the files.
- -t
- Ignore any differences in directory tags.
BUGS
Tags that are not recognized by the library are not
compared; they may also generate spurious diagnostics.
The image data of tiled files is not compared, since the
TIFFReadScanline() function is used. A error will be reported for
tiled files.
The pixel and/or sample number reported in differences may be
off in some exotic cases.
SEE ALSO
pal2rgb(1),
tiffcp(1),
tiffmedian(1),
libtiff(3TIFF)
Libtiff library home page: