Sustainability of Digital Formats: Planning for Library of Congress Collections

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TIFF, Uncompressed Bitmap

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Format Description Properties Explanation of format description terms

Identification and description Explanation of format description terms

Full name TIFF, Uncompressed Bitmap
Description A tag-based file format for storing and interchanging raster images; in this subtype, TIFF wraps an uncompressed bitmap.
Production phase Most often an initial-state or middle-state format; may serve as final-state format.
Relationship to other formats
    Subtype of TIFF_6, TIFF, Revision 6.0 and earlier
    Has subtype TIFF_UNC_EXIF, TIFF Uncompressed File with Exif Metadata
    Contains Uncompressed image bitmap

Local use Explanation of format description terms

LC experience or existing holdings See TIFF_6.
LC preference One of the preferred formats for bitmapped images.

Sustainability factors Explanation of format description terms

Disclosure See TIFF_6
    Documentation See TIFF_6
Adoption TIFF_UNC is widely deployed in digital library projects as a master format. For example it is the preferred format in guidelines from the Florida Center for Library Automation and the University of Minnesota Digital Conservancy. Not supported by all browsers in native format but, since the early 2000s, new PC configurations usually include a viewer. TIFF_UNC is the preferred format for color or grayscale raster images created by digitization in the Technical Guidelines for Digitizing Cultural Heritage Materials: Creation of Raster Image Master Files from the Federal Agencies Digitization Guidelines Initiative (www.digitizationguidelines.gov).
    Licensing and patents None for TIFF_UNC
Transparency Transparent.
Self-documentation For capability from the TIFF specification itself, see TIFF_6. For a valuable extension, see TIFF_UNC_EXIF.
External dependencies None
Technical protection considerations None

Quality and functionality factors Explanation of format description terms

Still Image
Normal rendering Good support.
Clarity (high image resolution) See TIFF_6
Color maintenance See TIFF_6
Support for vector graphics, including graphic effects and typography See TIFF_6
Functionality beyond normal rendering See TIFF_6

File type signifiers and format identifiers Explanation of format description terms

Tag Value Note
Filename extension See related format. 

See TIFF_6

Internet Media Type See related format. 

See TIFF_6

Magic numbers See related format. 

See TIFF_6

Pronom PUID See notes
See http://www.nationalarchives.gov.uk/PRONOM/fmt/353 for TIFF. Pronom does not differentiate versions of TIFF.
Wikidata Title ID See notes
See https://www.wikidata.org/wiki/Q215106 for TIFF Family.

Notes Explanation of format description terms

General  
History  

Format specifications Explanation of format description terms


Useful references

URLs


Last Updated: Friday, 17-Feb-2017 14:45:56 EST