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May 2009
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2009.05.11 14:32 "Re: [Q] TIFFReadRGBAImage (about read COMPRESSION_JPEG imagefile) of libtiff.", by Frank Warmerdam
masui/増井 郁久 wrote: > Thank you for Mr. Frank > > The tiff file was uploaded as follows. (filename is "test.tif") > (URL) https://cabinet.nifty.com/sharedarea/share/list.do/txjpt/@nifty/sharedarea/tmp/ > > It is possible to download it by inputting the following login information. > (Email) ：masui.ikuhisa@jri-sol.co.jp > (Password) : 3120017895 Masui, The tiffdump utility reports this for your file: Magic: 0x4949 <little-endian> Version: 0x2a <ClassicTIFF> Directory 0: offset 8 (0x8) next 0 (0) SubFileType (254) LONG (4) 1<0> OldSubFileType (255) SHORT (3) 1<1> ImageWidth (256) SHORT (3) 1<111> ImageLength (257) SHORT (3) 1<279> BitsPerSample (258) SHORT (3) 3<46469 36998 41886> Compression (259) SHORT (3) 1<7> Photometric (262) SHORT (3) 1<2> FillOrder (266) SHORT (3) 1<1> StripOffsets (273) LONG (4) 1<206> Orientation (274) SHORT (3) 1<1> SamplesPerPixel (277) SHORT (3) 1<1> StripByteCounts (279) LONG (4) 1<1994> MinSampleValue (280) SHORT (3) 1<0> MaxSampleValue (281) SHORT (3) 1<1> PlanarConfig (284) SHORT (3) 1<1> Group3Options (292) LONG (4) 1<0> The BitsPerSample value is clearly inappropriate, but there are some other issues with this file that seem bizzare too. I think the file is broken in one way or another. 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