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August 2009
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2009.08.28 03:23 "Re: tiff 3.9.0 writes bad files", by Bob Friesenhahn
This is what is happening when GraphicsMagick writes the TIFF. Before I reverted my (apparently) improper cast, this is what happened when tiffcp wrote a file as well. % tiffdump -m 1000 tiger-rgb-strip-contig-08.tif tiger-rgb-strip-contig-08.tif: Magic: 0x4949 <little-endian> Version: 0x2a Directory 0: offset 16214 (0x3f56) next 0 (0) ImageWidth (256) SHORT (3) 1<73> ImageLength (257) SHORT (3) 1<76> BitsPerSample (258) SHORT (3) 3<8 8 8> Compression (259) SHORT (3) 1<1> Photometric (262) SHORT (3) 1<2> DocumentName (269) ASCII (2) 30<tiger-rgb-strip-contig-08.tif\0> ImageDescription (270) ASCII (2) 27<8-bit contiguous RGB image\0> StripOffsets (273) LONG (4) 3<8 8111 0> <-- last strip offset 0! SamplesPerPixel (277) SHORT (3) 1<3> RowsPerStrip (278) SHORT (3) 1<37> StripByteCounts (279) LONG (4) 3<8103 8103 0> <-- last strip length 0! XResolution (282) RATIONAL (5) 1<72> YResolution (283) RATIONAL (5) 1<72> PlanarConfig (284) SHORT (3) 1<1> ResolutionUnit (296) SHORT (3) 1<1> PageNumber (297) SHORT (3) 2<1 0> Software (305) ASCII (2) 65<GraphicsMagick 1.4 unreleased Q32 http://www.GraphicsMagick.org/\0> SampleFormat (339) SHORT (3) 3<1 1 1> Is no one else seeing this problem? Libtiff 3.9.0 was released on the 20th. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/