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January 2005
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2005.01.21 20:02 "Re: deleting tags!", by Frank Warmerdam
On Fri, 21 Jan 2005 19:29:08 +0100, Antoine <melser.anton@gmail.com> wrote: > ps. what exactly do we lose with tiffcp? I found one way of "deleting" a > tag - tiffcp will fail to copy a tag if it has an illegal value for its > value (or values, I think it was the number of values that it takes, or > size of the value, I forget, anyway we had dateTimes that had 25 > whatevers and should only have 20, the tag was present before setting > another tag, and absent after...) Antoine, As to what we lose with tiffcp, I can't give a precise answer. But there are esoteric tags not addressed in the list processed by tiffcp. Also, tiffcp unpacks and repacks the imagery and as far as I know this could lose (or correct) some quirks of the original image. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent