Conversion of ies files to ldt file format

Various photometric file formats are used all over the world for light management purposes. The Eulumdat (.ldt) format is mostly used in Europe whilst IESNA format (.ies) is mostly used in USA and in the Anglo-Saxon world. IES to LDT conversion appears to be very common and possible in various light management software.

Open IES file    Open LDT file

Related software

EulumdatTools

A light calculation software

IES to EULUMDAT Converter

An online converter for IES and LDT files

LITESTAR 4D Photoview

A lamp light photometry management software

ZEMAX

A design software for optical engineers