OpenWMS Metadata Guide

Technical Metadata


Section: Compression

Last updated: April 6th, 2009
Name
compression
Definition
Identifies compression characteristics of the file.

compression has the following components:
  • Subelements:
    • compressionType
    • compressionRatio
Controlled Vocabulary
N/A
Repeatable
N
Name
compressionType
Label
Compression - Compression Type
Schema
rulib
Definition
Indicates whether the master file is compressed or uncompressed. If compressed and the compression ratio is known, enter the value in Compression ratio.
Usage Note
Uncompressed should be the default value.
Controlled Vocabulary
Compressed; Uncompressed; Unknown
Repeatable
N
Name
compressionRatio
Label
Compression - Compression Ratio
Schema
NISO MIX
Definition
Designates the ratio of compressed file size to uncompressed data.
Usage Note
Should be a positive Integer. For purposes of recording this number, the original size is assumed to be 1, so only the first half of the ratio will be recorded.
Controlled Vocabulary
Free text
Example(s)
10 (for a 10:1 compression ratio); 30 (for a 30:1 compression ratio)
Repeatable
N




 
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