IES
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Revision as of 14:23, 21 January 2020
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
