Format
Computer Graphics Metafile ASCII
Summary
- Name
- Computer Graphics Metafile ASCII
- Version
- 3
- Identifiers
-
- PUID: fmt/301
- MIME: image/cgm
- Format type
-
- Image (Raster)
- Image (Vector)
- Text (Structured)
- 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
-
cgm - Submitted by
- Georgia Tech Research Institute / Georgia Tech Research Institute
Internal signatures
Computer Graphics Metafile (Clear Text) Version 3 No.1
- Description
- Element name begmf (Begin Metafile) with any letter in the element name in upper or lower case, followed by any number of bytes, followed by version (MFVERSION{1}3 or mfversion{1}3, or any upper/lower case combination). Trailer endmf{0-1}; (with any letter in the element name in upper or lower case) that can be followed by a comment
- Provenance
- Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010). Further developed by Digital Preservation Department / The National Archives
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
42(45|65)(47|67)(4D|6D)(46|66)*(4D|6D)(46|66)(56|76)(65|45)(52|72)(53|73)(49|69)(4F|6F)(4E|6E){1}33- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 2048
- Byte Sequence
45(4E|6E)(44|64)(4D|6D)(46|66){0-1}3B- Endianness
- None
Computer Graphics Metafile (Clear Text) Version 3 No.2
- Description
- Element name begmf (Begin Metafile) with any letter in the element name in upper or lower case, followed by any number of bytes, followed by version (MFVERSION{1}3 or mfversion{1}3, or any upper/lower case combination). Trailer endmf{0-1}; (with any letter in the element name in upper or lower case) that can be followed by a comment
- Provenance
- Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010). Further developed by Digital Preservation Department / The National Archives
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
42(45|65)(47|67)(4D|6D)(46|66)*(4D|6D)(46|66)(56|76)(65|45)(52|72)(53|73)(49|69)(4F|6F)(4E|6E){1}33- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 2048
- Byte Sequence
65(4E|6E)(44|64)(4D|6D)(46|66){0-1}3B- Endianness
- None
Computer Graphics Metafile (Clear Text) Version 3 No.3
- Description
- Element name begmf (Begin Metafile) with any letter in the element name in upper or lower case, followed by any number of bytes, followed by version (MFVERSION{1}3 or mfversion{1}3, or any upper/lower case combination). Trailer endmf{0-1}; (with any letter in the element name in upper or lower case) that can be followed by a comment
- Provenance
- Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010). Further developed by Digital Preservation Department / The National Archives
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
62(45|65)(47|67)(4D|6D)(46|66)*(4D|6D)(46|66)(56|76)(65|45)(52|72)(53|73)(49|69)(4F|6F)(4E|6E){1}33- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 2048
- Byte Sequence
45(4E|6E)(44|64)(4D|6D)(46|66){0-1}3B- Endianness
- None
Computer Graphics Metafile (Clear Text) Version 3 No.4
- Description
- Element name begmf (Begin Metafile) with any letter in the element name in upper or lower case, followed by any number of bytes, followed by version (MFVERSION{1}3 or mfversion{1}3, or any upper/lower case combination). Trailer endmf{0-1}; (with any letter in the element name in upper or lower case) that can be followed by a comment
- Provenance
- Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010). Further developed by Digital Preservation Department / The National Archives
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
62(45|65)(47|67)(4D|6D)(46|66)*(4D|6D)(46|66)(56|76)(65|45)(52|72)(53|73)(49|69)(4F|6F)(4E|6E){1}33- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 2048
- Byte Sequence
65(4E|6E)(44|64)(4D|6D)(46|66){0-1}3B- Endianness
- None
Changelog
-
V84
- Release date
- 21 January 2016
-
Updated
Computer Graphics Metafile ASCII 3: Added MIME.
-
V45
- Release date
- 6 December 2010
-
Added format
Computer Graphics Metafile ASCII 3: Outline entry added. Submission from Georgia Tech Research Institute, USA.
-
Added signature
Computer Graphics Metafile ASCII 3: Signature submitted by Georgia Tech Research Institute, USA.