Jukka,
Does it feel reasonable? I know that overviews may be standard TIFFs while the main image is BigTIFF but maybe the information from the header would be enough. Or have I missed some existing tool? I thought that tiffinfo at least would report TIFF/BigTIFF but it doesn’t.
tiffdump does: $ tiffdump byte.tif byte.tif: Magic: 0x4949 <little-endian> Version: 0x2a <ClassicTIFF> vs $ tiffdump bigtiff.tif bigtiff.tif: Magic: 0x4949 <little-endian> Version: 0x2b <BigTIFF> Even -- http://www.spatialys.com My software is free, but my time generally not.
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