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August 2005
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2005.08.04 15:26 "Re: tiff unknown field of tag", by Steven Woody
> Note, this is a warning not an error. It doesn't mean there is anything > wrong with the file, just that there is stuff in the file that isn't > recognised by libtiff as baseline tags. but the applications was keeping pop warning message to borning me :) its not so good, isn't it? > > below is the output of tiffinfo on a tiff file in question, > > ... > > Well, it looks like you have trimmed the output at the interesting > point. In particular, modern tiffinfo's attempt to report some basic > information about unrecognised tags at the end of known tag > processing. thank you. now i attache the full oupput, ,---- | 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): | <?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?> | <x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='XMP toolkit 3.0-28, framework 1.6'> | <rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' xmlns:iX='http://ns.adobe.com/iX/1.0/'> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:pdf='http://ns.adobe.com/pdf/1.3/'> | </rdf:Description> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:photoshop='http://ns.adobe.com/photoshop/1.0/'> | <photoshop:History></photoshop:History> | </rdf:Description> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:tiff='http://ns.adobe.com/tiff/1.0/'> | <tiff:XResolution>18000000/10000</tiff:XResolution> | <tiff:YResolution>18000000/10000</tiff:YResolution> | <tiff:ResolutionUnit>2</tiff:ResolutionUnit> | </rdf:Description> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:xap='http://ns.adobe.com/xap/1.0/'> | <xap:CreateDate>2005-08-04T19:54:07+08:00</xap:CreateDate> | <xap:ModifyDate>2005-08-04T19:54:07+08:00</xap:ModifyDate> | <xap:MetadataDate>2005-08-04T19:54:07+08:00</xap:MetadataDate> | <xap:CreatorTool>Adobe Photoshop CS Windows</xap:CreatorTool> | </rdf:Description> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:xapMM='http://ns.adobe.com/xap/1.0/mm/'> | <xapMM:DocumentID>adobe:docid:photoshop:9b815c1d-04d4-11da-ba74-cb6dad60b069</xapMM:DocumentID> | </rdf:Description> | | <rdf:Description rdf:about='uuid:9b815c1e-04d4-11da-ba74-cb6dad60b069' | xmlns:dc='http://purl.org/dc/elements/1.1/'> | <dc:format>image/tiff</dc:format> | </rdf:Description> | | </rdf:RDF> | </x:xmpmeta> | | <?xpacket end='w'?> | Software: Adobe Photoshop CS Windows | Tag 34665: 11762868 `---- can you tell me more? > > 1. what means "ICC Profile: <present>" ? and what is ICC ? > > It is information related to color control. Do you really want to know > more? sure, of course. please go on ... > > 2. i noticed this file is uncompressed. so what's the benefit the lab > > save result in tiff rather than a bmp? > > Because a variety of extra metadata can be saved in it. Why would > saving it in BMP be better than saving it in TIFF? okay, now i understand the benefits. -- steven woody (id: narke) Pepper...is hot and scorches, just like the sun - Politiki kouzina (2003)