Reality and IES written by sigstan by Reality-plug-in, journal
Reality and IES written by sigstan
Reality and IES written by sigstan
An IES file is the measurement of the distribution of light (intensity) stored in ASCII format. IES profiles are useful for creating life-like lighting, as they can represent the physical distribution of light from any light source.
Here is an example of lights with different IES profiles (From Maya Zest free IES files):
Any of these profiles can be attached to a mesh light in Reality, and this will make the light behave according to the IES profile. Yes, that means you can turn a little mesh light plane into a round spot light with a well-defined light cone!
IES profiles make this possible to control th