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February 2007
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2007.02.02 20:25 "Re: get tifftag_geoasciiparams string", by Phil Harvey
On 2-Feb-07, at 2:36 PM, Gennady Khokhorin wrote: > Still can not find any reference for return from TIFFGetField(tif, > TIFFTAG_GEOASCIIPARAMS, &data) > command. Hi Gennady, I've never used TIFFGetField(), but I expect it just returns a null- terminated string for ASCII tags. (A null terminated string is just a character array where the length is determined by scanning for the first null byte.) The content of the TIFFTAG_GEOASCIIPARAMS will be a set of strings accessed via the TIFFTAG_GEOKEYDIRECTORY information. In a sample I have, it looks like strings may be separated by '|' symbols in the TIFFTAG_GEOASCIIPARAMS record, but you should check the GeoTiff documentation to be sure. I hope this helps. - Phil