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August 2005
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2005.08.04 14:45 "tiff unknown field of tag", by Steven Woody
i got back some scaned tiff's from a photo lab. openning with xv or gimp just got a warning message: unkown field of tag 34665(0x8769). i want to know what's wrong with thoese files and how do a work around. below is the output of tiffinfo on a tiff file in question, ,---- | TIFFReadDirectory: Warning, /home/portfolio/scan/zmm/16-4.tif: unknown field with tag 34665 (0x8769) encountered. | TIFF Directory at offset 0x8 | Subfile Type: (0 = 0x0) | Image Width: 1580 Image Length: 2338 | Resolution: 1800, 1800 pixels/inch | Bits/Sample: 8 | Compression Scheme: None | Photometric Interpretation: RGB color | Date & Time: "2005:08:04 19:54:07" | Samples/Pixel: 3 | Rows/Strip: 2338 | Planar Configuration: single image plane | ICC Profile: <present>, 668992 bytes | Photoshop Data: <present>, 5624 bytes | XMLPacket (XMP Metadata): | ... `---- for the tiffinfo output, i still has two questions desiring kind help from you. 1. what means "ICC Profile: <present>" ? and what is ICC ? 2. i noticed this file is uncompressed. so what's the benefit the lab save result in tiff rather than a bmp? thanks in advance. -- steven woody (id: narke) Celine: I had worked for this old man and once he told me that he had spent his whole life thinking about his career and his work. And he was fifty-two and it suddenly struck him that he had never really given anything of himself. His life was for no one and nothing. He was almost crying saying that. - Before Sunrise (1995)