RELUX brings you closer to the world of lighting planning in a pleasant atmosphere.
Join Robert and Klaus on their journey into the lighting industry and learn what is currently moving the world of lighting.


Combine fun and learning

Robert Heinze, CTO & Klaus Heiss, Vice-CTO

Next webinar

Placing luminaires


Episode 36

  • Placing luminaires in a ReluxDesktop scene
    Geometric arrangements

Register (EN). Register (DE)

Following webinars

Online calculation tools 


Episode 37

  • RELUX online calculation services, OnCalc, StreetCalc, SceneCalc, SensCalc

Register (EN). Register (DE)

Watch all past episodes


Episode 35

  • Glare evaluation with UGR / RUG

  • Normative background

  • Application

Video (EN). Video (DE)

Maintenance factor

Episode 34

  • Meaning

  • Calculation and methods of the maintenance factor

Video (EN). Video (DE)

  Accuracy of a lighting calculation

 Episode 33

  • CIE calculation core

  • General accuracy

 Video (EN). Video (DE)

Settings and cheats in ReluxDesktop

Episode 32

  • Settings and cheats

  • Tailoring the behavior of ReluxDesktop to suit individual needs

Video (EN). Video (DE)

Emergency lighting in Revit

 Episode 31

  • Planning emergency lighting in Revit

  • New features of the add-on ReluxCAD for Revit in emergency lighting

 Video (EN). Video (DE)

Staircases in ReluxDesktop

Episode 30

  • Creating staircases in ReluxDesktop

  • Topics of lighting planning with staircases

Video (EN). Video (DE)

  Open Q&A session

 Episode 29

  • Answering your questions

 Video (EN). Video (DE)

Obtrusive light

Episode 28

  • Calculation of obtrusive light

  • Normative aspects

  • CIE 150

Video (EN). Video (DE)

3D Import

 Episode 27

  • 3D import formats

  • 3D objects on ReluxNet

  • Modelling outside RELUX

 Video (EN). Video (DE)

Dynamic visualisation with NEW real-time renderer

Episode 26

  • Exclusive preview

  • 3D walkthrough visualisation

  • Visualise completely rendered scenes

Video (EN). Video (DE)

  Daylight economy

 Episode 25

  • Isolux curves

  • Sun position diagram

 Video (EN). Video (DE)

Room scans with RELUX

Episode 24

  • With which mobile devices

  • Scanning process

  • Transport

  • Use in Relux

Video (EN). Video (DE)

Daylight design

 Episode 23

  • Setting up and calculating daylight

  • Sky models

  • Daylight exposure

  • Displaying the values

 Video (EN). Video (DE)

Dynamic Planning

Episode 22

  • Quick calculation of the direct component

  • Dynamic planning indoors and outdoors

  • Luminance and illuminance

Video (EN). Video (DE)


 Episode 21

  • ReluxTunnel functionalities and settings

 Video (EN). Video (DE)

Measuring grid and points

Episode 20

  • Measuring points

  • Calculation grid

  • Photometric influence

Video (EN). Video (DE)

  ReluxCAD for AutoCAD

 Episode 19

  • Create and edit Relux projects in AutoCAD

  • Copy complex 3D objects from AutoCAD into Relux Desktop

 Video (EN). Video (DE)

Views in ReluxDesktop

Episode 18

  • 2D and 3D views

  • Camera controlling

  • Saving own views

  • General properties / settings

Video (EN). Video (DE)

  Working with floors

 Episode 17

  • Work with multiple floors

  • Multiple CAD plans

  • Floor related outputs

 Video (EN). Video (DE)


Episode 16

  • Colours and textures

  • Animations

  • Creating tracking shots and film

Video (EN). Video (DE)

  3D Modeling in RELUX

 Episode 15

  • Boolean operations on objects

  • Subtraction and addition

  • Mesh and solids

 Video (EN). Video (DE)

Status of the GLDF 1.0.0 format

Episode 14

  • GLDF-Editor

  • L3D-Editor

Video (EN). Video (DE)

  All RELUX interfaces

 Episode 13

  • XML format ReCad I and II

  • Excel capabilities

 Video (EN). Video (DE)

DWG / PDF Import

Episode 12

  • How to import plans into RELUX

  • Picking of room polylines

  • PDF (pixel and vector) conversions to CAD plans

Video (EN). Video (DE)

Street Lighting

Episode 11

  • Standards Overview

  • Street related Lighting Design

  • Excel Interface for street calculations

  • Relux StreetCalc Demo

 Video (EN). Video (DE)

ReluxCAD for Revit (Update)

Episode 10

  • Photometric lighting calculations directly in Revit

  • Setting and using indoor and outdoor task areas

  • Working with free ceiling shapes between Revit and RELUX

Video (EN). Video (DE)

Glare Rating

Episode 9

  • How to design with UGR?

  • Glare ratings with KCalc

  • Options in ReluxDesktop

 Video (EN). Video (DE)

The new EN 12464-1:2021

Episode 8

  • Two illuminance instead of one

  • New spreadsheets with new rows and columns

  • UGR Extensions

  • Changes in the surrounding areas

Video (EN). Video (DE)

  Emergency Lighting

 Episode 7

  • What does the EN 1838 require?

  • How to do emergency lighting design?

  • Insights in ReluxDesktop 2022.1 with a huge emergency lighting update

 Video (EN). Video (DE)

Planning with sensors

Episode 6

  • Sensors in Relux and Revit

  • Measurement standards and data formats

  • What and how to plan with sensors?

Video (EN). Video (DE)

Planning with Google Maps

Episode 5

  • Planning with maps directly in Relux

  • For which plannings is this useful?

  • GIS in lighting design

 Video (EN). Video (DE)

Planning reliability for the building owner  

Standards, results, accuracy

Episode 4

  • What outcomes are needed by the client and the standards?

  • Which standards are currently being updated?

  • How accurately does RELUX calculate?


Video (EN). Video (DE)

False colours

Episode 3

  • New vs. old false colour concept

  • Introduction of a universal false colour scale

  • Introduction of the threshold tool

Video (EN). Video (DE)

BIM Concept

Episode 2

  • What is BIM?

  • Why is RELUX in Revit?

  • What can ReluxCAD for Revit do?

Video (EN). Video (DE)


Episode 1

  • What is ReluxThirdParty?

  • Why is RELUX introducing something like this?

  • What is being restricted and how?

Video (EN). Video (DE)

Do you have any topic suggestions?

We are looking forward to hear from you.