IES
From Just Solve the File Format Problem
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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 Identification
IES files are ASCII text. Files begin with IESNA:LM-63-(year). Examples LM-63-1986, LM-63-1991, and LM-63-1995, and LM-63-2002
Except the earliest version which uses the ASCII: IESNA91[1]
Links
- Wikipedia:Illuminating_Engineering_Society_of_North_America
- ANSI/IES LM-63-02/R08
- Parsing The IESNA LM-63 Photometric Data File
- ERCO data files
- LightLouver Information sheet
