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2008.09.27 17:30 "Re: Compression code 34719", by Toby Thain
On 27-Sep-08, at 12:32 PM, ComSquare Martin Osieka wrote: > Does anybody know what the compression code 34719 in the > compression tag stands for? > > > These are tifs generated from a MS tool. Everything else in the tif > looks fine (RGB, 8bits per channel,…). > But for sure the resulting image shows completely black because of > the missing decoder in libtiff. > > MS is able to open and view these tiffs. > And that's the whole point. An un-interoperable (non standard) codec *ensures* lock-in to their tools. Good luck finding documentation. --Toby > > > There is only one strip in the file and it starts with > > > > 0x02,0x00,0x00,0x00,0x7B, > 0x00,0x00,0x00,0x08,0x33,0x00,0x00,0x03,0x00,0x00,0x00, > > 0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF, > 0x00,0x00,0x00,0x00,0x78,0x01,0xED,0x9B, > > 0x5B,0x88,0x55,0x55,0x18,0xC7,0xBF,0xD9,0x67,0x8E, > 0x33,0xA6,0x96,0x86,0xA5,0x65, > > 0xD9,0x9E,0x83,0x9A, > 0x43,0x12,0x13,0x47,0xA1,0x87,0x22,0xA5,0x53,0x54,0x2A,0x1C, > > > Martin > > > > _______________________________________________ > Tiff mailing list: Tiff@lists.maptools.org > http://lists.maptools.org/mailman/listinfo/tiff > http://www.remotesensing.org/libtiff/