.IES File Extension
File TypeIES Photometric Data File
|Developer||Illuminating Engineering Society|
This file is saved in a binary format, which requires a specific program to read its contents.
Data file created in the standardized IES (Illuminating Engineering Society) photometric format; contains measurements of light and light quantities; commonly used to simulate lighting systems in buildings before they are installed.
IES files are also used to examine light source illumination for roadways and other outdoor sites. They are commonly published by lighting manufacturers.