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. LDT to IES conversion is very common and possible in various light management software.
Convert ZEMAX source EULUMDAT file to IESNA photometric data file.
We found 4 software records in the database related to .ldt to .ies file format conversion.
Microsoft Windows software - convert ldt to ies on Windows
A design software for optical engineers
Convert from ldt file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned ldt to ies. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A lamp light photometry management software
A light calculation software
On-line services software - convert ldt to ies on web
An online converter for IES and LDT files