GEM VDI Metafile

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File Format
Name GEM VDI Metafile
Ontology
Extension(s) .gem, .gdi
PRONOM fmt/543, fmt/542, x-fmt/215, x-fmt/57(?)
Released 1985

GEM VDI Metafile (also called GEM Metafile, GEM Vector, or GEM VDI) is a vector graphics metafile format associated with the GEM operating environment by Digital Research.

Contents

Identification

Files begin with bytes 0xFF 0xFF.

Following that is a two-byte integer reflecting the header size. It may use either big-endian or little-endian byte order. Likely values are 0x0018, 0x000E, and maybe 0x000F.

Specifications

Sample files

See also

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