Courses about Lighting Technology

OxyTech offers courses organized specifically for individual customers or companies on various topics related to the use of LITESTAR 4D, lighting engineering and photometry. The courses can be hold on-line or or face to face at the customer's premises or at OxyTech.

Main topics:

Data Management and Photometric Lab

Lighting Fundamentals - Base module


Who the course is for

The course is aimed at those professionals interested in a first approach to the world of lighting, or who wish to deepen concepts already dealt with superficially.

The training course will deal with all those concepts that are essential to interpret or make lighting calculations properly, such as photometric quantities, or luminaire and source measurement.

Required knowledge

Being a basic course no specific knowledge is required.

Topics dealt with

Basic notions

  • Optics notions: the human eye and the necessary notions to understand the phenomenon of vision in human beings:
    • Light as an undulatory and corpuscular phenomenon
    • The spectrum
    • Eye Structure and CIE Eye
    • Visibility Curve
    • Photopic, scotopic and mesopic vision
    • Visual performance and factors that alter it
  • Photometry Quantities: main notions to understand the basis of a lighting project:
    • Luminous flux
    • Luminous intensity (cd)
    • Illuminance (lux)
    • Luminance (cd/m2)
    • Contrast
    • Glare
  • Optics notions for calculation: the essential concepts to understand how light interacts with materials (BRDF) and how calculations are made with LITESTAR 4D:
    • Reflection, absorption and transparency
    • Diffusion and specularity

Luminaries and light sources

  • Luminaires
    • Derived Quantities:
      • Yield
      • Luminous efficiency (lm/W)
    • Photometric measurement of a luminaire:
      • Measuring instruments
      • C-Gamma and V-H Measurement systems
      • The photometric matrix
    • Photometric file formats
      • Eulumdat file, Iesna File, OXL File
    • Graphs
      • The photometric solid
      • Polar and Cartesian curves
      • Beam opening
      • Isolux curves
    • Luminaire Classification Systems
  • Light sources: to know the main characteristics of different lamp types and make the best choice for lighting projects:
    • Lamp luminous efficiency
    • Lifespan and decay
    • Emission Spectrum
    • Color temperature (K) color rendering (Ra and CRV)
    • ILCOS International Classification
    • Lamp types:
      • Halogen lamps
      • Fluorescent lamps
      • Metal halide lamps
      • High pressure sodium lamps
      • LED

LITESTAR 4D - Catalog Management with Lisdat, Liswin et WebCatalog


Who the course is for

This course is designed for all those who deal with creating technical sheets, material lists, product databases and estimates, whether in the context of companies, design studios or associations, with particular emphasis on the energy classification of sources and luminaires using the IPEA parameter.

During the training course questions concerning the management and coordination of a product database linked to a photometric database will be dealt with, in addition to the creation of a technical sheet and an estimate. All this will be achieved using LITESTAR 4D Lisdat, the program module for the management of catalog data and LITESTAR 4D Liswin, the interactive electronic catalog module of LITESTAR 4D which includes the functions of parametric search, technical sheet management in various languages (exportable in formats PDF and RTF) and estimates.

Required knowledge

The course does not require any particular lighting engineering knowledge.

Topics dealt with


  • What Lisdat is
  • What Liswin is
    • System database: the Oxydata.mdb file
    • The .OXL and .OXC files

Program Functions - Lisdat

  • LITESTAR 4D database management
    • Existing product data modification
      • Archive creation by the user
      • Manual insertion of new products
      • Images and texts linking
      • .OXL Photometric files link
      • 3D model link to a luminaire
    • Verification and correspondence between .OXL files and catalog data
    • Excel database Import
    • .LDT/. IES photometric files conversion and import
    • Import of .OCX file

Program Functions - Liswin

  • Parámetros energéticos: IPEA y la clasificación energética de las fuentes
  • Energy parameters: IPEA and energy classification of sources
  • Configuration of the database and program module
  • Local product search functions (lamps and luminaires)
  • Drag & Drop management in Liswin and Litecalc
  • Updates and searches via the Internet (lamps and luminaires)
  • Product visualization and search in Webcatalog
  • Technical data sheet visualization, customization and printout
  • Product list creation
  • .OXL/ .OXC files export
  • Price list management
  • Offer creation

LITESTAR 4D - Photometric data management with Photoview


Who the course is for

The course is designed for all those who intend to increase their knowledge regarding photometric data management, using LITESTAR 4D Photoview, the module for managing and visualizing the photometries of lighting devices with functions of energy efficiency analysis, printout and export of tables and graphs in various formats and languages.

During the training course the main concepts regarding the functions of graph visualization and energy efficiency analysis will be examined. These concepts will then be applied within the Photoview module, including the linking of an OXL file with its photometric solid using Litecalc.

Knowledge required

The course expects prior basic knowledge of photometric measurements, lighting sources and devices.

Topics discussed


  • Photometry and data exchange files
    • li>Derived Quantities
    • Yield or Luminous Efficiency (lm/W)
    • Photometric Measurement of a luminaire
      • Measuring systems (C-Gamma, V-H)
      • The photometric matrix
    • Photometric file formats
      • Eulumdat File
      • Iesna File
      • .OXL File

Program Functions

  • What’s Photoview
  • .OXL files creation and management
  • Insertion of a new lamp
  • Graph visualization and printout
    • Polar or cartesian
    • UGR
    • IPEA
  • Import/export of photometries in different formats
  • Customized printouts management
  • Linking a 3D model to the photometric solid

Photometric Laboratory Management


Who the course is for

Il corso è rivolto a tutti coloro che intendono approfondire le tematiche fotometriche e di gestione dei dati tramite LITESTAR 4D Photoview il modulo di gestione e visualizzazione delle fotometrie degli apparecchi di illuminazione con funzioni di stampa ed esportazione di tabelle e grafici in diversi formati (testo, raster, vettoriali) in diverse lingue.

All'interno del percorso formativo verranno trattati i concetti principali riguardanti la misura fotometrica di un apparecchio, Tali concetti saranno poi applicati all'interno del modulo Photoview, compreso il collegamento di un file OXL con il proprio solido fotometrico tramite Litecalc.

Conoscenze richieste

Il corso presuppone una conoscenza base delle grandezze fotometriche, delle sorgenti e degli apparecchi di illuminazione.

Argomenti trattati


  • Short review:
    • photometric quantities
    • units of measurement
  • Description of the methods of representation of light intensities and coordinate systems (UNI EN 13032-1:2005)
  • Measurement of absolute and relative luminous intensities
  • Methods of measurement of the luminous flux emitted by a source or luminaire

National and International Regulatory Framework

  • Referencias normativas para las pruebas de medición
  • Reference standards for measurement tests
  • Tips for luminaire installation on different types of Goniophotometer
  • Measuring of electric parameters and functioning temperature during the measurement

The Photometric Measurement: from theory to practice

  • Instruments for the measurement of luminous intensity:
    • description
    • instructions for use
  • Source stabilization
  • Definition of measurement angular steps
  • Creation of photometric files
  • Efficiency and efficacy of a luminaire with respect to the different reference standards
  • Data interchange formats
    • IESNA
    • LDT
    • OXL


Lighting Design

LITESTAR 4D - Base course


Who the course is for

The course is designed for all those who wish to learn more about project management using LITESTAR 4D Litecalc, the lighting engineering project module, with functions of advanced rendering, object extrusion, materials management and linking of 3D models to luminaire photometries.

During the training course the main concepts regarding the area creation and calculation functions will be discussed. These concepts will then be applied within the Litecalc module, including Drag&Drop of the models and photometries, the linking of an OXL file with its photometric solid, and catalog data management with Liswin.

Knowledge required

The course requires prior basic knowledge about photometric measurements, lighting sources and devices.

Topics dealt with

  • LITESTAR 4D program modules
    • Liswin
    • Photoview
    • Litecalc
  • General notions
    • Program windows and TABs
      • Project lists TAB (scenes, luminaires, materials, results)
      • Objects and properties insertion TAB
    • Drag & Drop
    • Calculation area
    • 3D model import
  • Calculation area creation
    • Wizard project
    • Copy from DXF
  • Object insertion
    • As models present in the program
    • As extruded objects
    • As import of 3D objects created with other programs
  • BRDF object management (materials editor)
    • Assignment of a color or texture
    • Assignment of a new material (emitter, generic, Lambertian, tab R)
  • Luminaire insertion
    • Free insertion
    • Guided insertion
  • Luminaire and object transformation
    • Copies, movements and rotations
  • Calculation window configuration
  • Results visualization (spot, isolux, three-dimensional graphs or values tables)
    • Results summary
  • Results summary
    • Pseudo colors Rendering
    • Radiosity Rendering
    • Ray Trace Rendering
  • Printouts