LDT File Documentation

Overview

Feature Value
File Extension .ldt
Full Form EULUMDAT File Format
Developed By ZENAX Source
File Type Text
Character Encoding ASCII
Structure Line based
Usage Luminaire photometric data
Data Type Photometric
Primary Application Lighting simulations
Keyword Syntax Structured, predefined keywords
Data Sections Header, luminous intensity distribution, and additional data
Header Information Manufacturer, luminaire catalog number, etc.
Photometric Data Luminous intensity values at various angles
Measurement Units Candelas, degrees (angular data)
Symmetry Information Specification of luminaire symmetry
Geometry Specification of measurement geometry
File Size Generally small, depends on the complexity
Advantages Standardized format for luminaire data exchange
Limitations Text-based, limited to photometric data
MIME Type Not specifically defined