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Format

GEM Metafile Format

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Summary

Name
GEM Metafile Format
Version
3.10
Identifiers
PUID: fmt/543
Format type
Image (Vector)
Description
This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
File extensions
gem
Submitted by
Digital Preservation Department / The National Archives

Relationships

Is subsequent version of

Internal signatures

GEM metafile 3.10 little endian

Description
Magic number FFFF; length = 0x18; version 310 decimal =hex 3601; coordinate system either 0 (Normalized Device Coordinates) or 2 (Raster Coordinates)
Provenance
www.seasip.info/Gem/ff_gem.html

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
FFFF18003601(02|00)00
Endianness
None

Changelog

  • V69

    Release date
    19 July 2013

    • Added format

      GEM Metafile Format 3.10: Outline Entry Added.

    • Added signature

      GEM Metafile Format 3.10: Signature developed through PRONOM Research.