Format
Portable Bitmap Image - Binary
Summary
- Name
- Portable Bitmap Image - Binary
- Identifiers
- PUID: fmt/409
- 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’.
- Format encoding
- Binary
- File extensions
-
pbmb,pnm - Submitted by
- Georgia Tech Research Institute / Georgia Tech Research Institute
Internal signatures
Portable Bitmap Image - Binary with comment
- Description
- “P4” followed by possible comment, followed by width, height.
- Provenance
- PBM. User Manual for Netpbm http://netpbm.sourceforge.net/doc/pbm.html
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
5034(20|0D|0A){0-2}23{0-70}0A(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)- Endianness
- None
Portable Bitmap Image - Binary without comment
- Description
- “P4” followed by width, height.
- Provenance
- PBM. User Manual for Netpbm http://netpbm.sourceforge.net/doc/pbm.html
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
5034(20|0D|0A)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)(30|31|32|33|34|35|36|37|38|39|20|0A|0D)- Endianness
- None
Changelog
-
V58
- Release date
- 21 March 2012
-
Added format
Portable Bitmap Image - Binary: Submission from Georgia Tech Research Institute, USA. Outline entry added.
-
Added signature
Portable Bitmap Image - Binary with comment: Signature submitted by Georgia Tech Research Institute, USA.