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Format

ESRI Shapefile Projection (Well-Known Text) Format

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Summary

Name
ESRI Shapefile Projection (Well-Known Text) Format
Identifiers
PUID: fmt/320
Format type
GIS
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
Text
File extensions
prj
Submitted by
Digital Preservation Department / The National Archives

Internal signatures

ESRI Shapefile Projection (Well-Known Text) Format

Description
Signature based on ordered keyword entities, GEOGCS * DATUM * SPHEROID * PRIMEM * UNIT
Provenance
Ongoing DROID research following request from Archaeology Data Service

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
152
Byte Sequence
47454F474353*444154554D*53504845524F4944*5052494D454D*554E4954
Endianness
Little-endian
Min Frag Length
Absolute from EOF
Offset
0
Max offset
2
Byte Sequence
5D5D
Endianness
Little-endian

Changelog

  • V92

    Release date
    20 September 2017

    • Updated

      ESRI Shapefile Projection (Well-Known Text) Format: Added small EOF offset to account for potential for line-endings. Submitted by Landesarchiv Nordrhein-Westfalen.

  • V46

    Release date
    8 February 2011

    • Added format

      ESRI Shapefile Projection (Well-Known Text) Format: Outline entry added. Ongoing DROID research work following request from Archaeology Data Service.

    • Added signature

      ESRI Shapefile Projection (Well-Known Text) Format: Signature developed through PRONOM Research.