What is a ldt file and how do I open a ldt file?
LDT is a light fixture, or luminaire, data file used by DIALux, a professional light planning software for indoor and outdoor lighting. It stores lighting parameters for a luminaire, which include the number of lamps, the light intensity, the light distribution curve, and the size of the luminaire.
Relevant ldt file links:How to open ldt file on Youtube
How to open ldt file on Wikipedia
How to open ldt file on Microsoft.com