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Format

IESNA LM-63 Photometric Data File

Download XML

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
Source
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

Note
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

  • Added in V110

    Release date
    14 March 2023

    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.

    IESNA LM-63 Photometric Data File: Signature researched and samples provided by The Church of Jesus Christ of Latter-Day Saints.

  • Added in V96

    Release date
    21 January 2020

    IESNA LM-63 Photometric Data File: Signature submitted by Church of Jesus Christ of Latter-day Saints.

    IESNA LM-63 Photometric Data File: Full entry added. Submitted by Church of Jesus Christ of Latter-day Saints.