compare two TIFF files
see also :
pal2rgb - tiffinfo - tiffcp - tiffmedian
[ options ] file1.tif file2.tif
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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
List each byte of image data
that differs between the files.
List specified number of image
data bytes that differs between the files.
Ignore any differences in directory tags.
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. An error will be
reported for tiled files.
and/or sample number reported in differences may be off in
some exotic cases.
tiffinfo , tiffcp , tiffmedian ,
home page: http://www.remotesensing.org/libtiff/