An IES file is a type of lighting data file that is used in the field of computer graphics to simulate and render various lighting scenarios. IES stands for Illuminating Engineering Society, which is ...

In this article we're going to demonstrate the IES lights effect, using a basic scene and Vray IES lights, you can download a lot of free IES file from the web, just google it.

Program to take raw data from an IES file and do the following calculations and plots. Y-plane slice, X-Plane Slice, Wall Projection at defined distance with (x,y) tilt, and Ground Project at defined ...

CU is the fraction of the initial lamp lumens that ultimately reaches the work plane, both directly and from reflection. CU includes both the efficiency of the luminaire in releasing lamp lumens into ...

In late June, the Illuminating Engineering Society (IES) introduced four new standards documents addressing current challenges that face the lighting industry: navigating near-field photometry, ...