Format

IESNA LM-63 Photometric Data File

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Summary

Name: IESNA LM-63 Photometric Data File
Identifiers: PUID: fmt/1288
Format type: Text (Structured)
Description: The IESNA LM-63 photometric data file is an ASCII text file commonly used by North American lighting fixture manufacturers to distribute photometric information about their products.
File extensions: ies
Submitted by: The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints

Internal signatures

IESNA LM-63 Photometric Data File

Description: BOF: 'IESNA' followed by either '91' or ':LM-63-'

Byte sequences

Min Frag Length: Absolute from BOF
Offset: 0
Max offset: 3
Byte Sequence: 4945534E41(3931|3A4C4D2D36332D)
Endianness: None

Changelog

V110

Release date

14 March 2023
- Added signature
  
  IESNA LM-63 Photometric Data File: Signature researched and samples provided by The Church of Jesus Christ of Latter-Day Saints.
- Updated
  
  IESNA LM-63 Photometric Data File: Signature modified to give an either or after initial byte sequence. Submitted by The Church of Jesus Christ of Latter-Day Saints.
V96

Release date

21 January 2020
- Added format
  
  IESNA LM-63 Photometric Data File: Full entry added. Submitted by Church of Jesus Christ of Latter-day Saints.
- Added signature
  
  IESNA LM-63 Photometric Data File: Signature submitted by Church of Jesus Christ of Latter-day Saints.