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September 2004
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2004.09.02 18:08 "libgeotiff-1.2.2 + libtiff-3.7 (CVS), deflate fails", by Paul Martinolich
(tried to use bugzilla, but kept getting connection errors) When I create a TIFF file with GeoTIFF excluded from the compilation, the result is valid and runs okay. If however, I link in GeoTiFF, then the program fails with 'Decoding error at scanline 0, incorrect header check'. I am using libtiff-3.7 from CVS (1 September 2004) and Fedora Core 2 (Reading syms from /usr/lib/libz.so.1.2.1.1). This same code will create a deflate compressed TIFF file w/ GeoTiFF tags using libgeotiff-1.2.1 and libtiff-3.6.1. (same platform). %tiffinfo deflate.tif TIFF Directory at offset 0x26bbe Image Width: 600 Image Length: 300 Resolution: 72, 72 pixels/inch Bits/Sample: 8 Compression Scheme: Deflate Photometric Interpretation: RGB color Artist: "Naval Research Laboratory, Stennis Space Center, MS" Date & Time: "2004:09:01 16:15:06" Software: "imgBrowse" Document Name: "junk.tif" Image Description: "imgBrowse -1i -o compress=d S2004217181236.L3_HNAV_MSB K_532 junk.tif" Model: "1:1" Samples/Pixel: 3 Rows/Strip: 4 Planar Configuration: single image plane Predictor: horizontal differencing 2 (0x2) %tiffinfo junk.tif junk.tif: Warning, unknown field with tag 33550 (0x830e) ignored. junk.tif: Warning, unknown field with tag 33922 (0x8482) ignored. junk.tif: Warning, unknown field with tag 34735 (0x87af) ignored. TIFF Directory at offset 0x26bbe Image Width: 600 Image Length: 300 Resolution: 72, 72 pixels/inch Bits/Sample: 8 Compression Scheme: Deflate Photometric Interpretation: RGB color Artist: "Naval Research Laboratory, Stennis Space Center, MS" Date & Time: "2004:09:01 16:26:38" Software: "imgBrowse" Document Name: "junk.tif" Image Description: "imgBrowse -1i -o compress=d S2004217181236.L3_HNAV_MSB K_532 junk.tif" Model: "1:1" Samples/Pixel: 3 Rows/Strip: 4 Planar Configuration: single image plane Predictor: horizontal differencing 2 (0x2)