Dialux 314 — Deluxe & Safe
You might be surprised to learn that many professional lighting designers keep a virtual machine running Windows XP or Windows 7 just to run DIALux 3.14. Here is why:
To give you exactly the right feature set, please confirm:
If you meant DIALux 3.14 (older, 2009-era), let me know — I can provide its feature list too.
Based on the context of the search results, "Dialux" refers to the world's leading lighting design simulation software, while the "314" likely refers to a patch or version within the legacy series.
Here is the story of DIALux and its development, including the era of version 4. The Story of DIALux (Version 4 Era)
DIALux was developed by DIAL GmbH , a German company, designed to make professional lighting design accessible and precise.
The Problem: Lighting designers historically used manual calculations or basic spreadsheets to estimate illumination, which was slow and inaccurate for complex projects.
The Solution: DIALux enabled 3D modeling, allowing professionals to simulate artificial light, daylight, and emergency lighting in both indoor and outdoor scenarios. Key Features of the DIALux 4 Era dialux 314
While the modern standard is DIALux evo, version 4 (like the 4.13 version mentioned in tutorials) became a legendary tool for professionals.
Real Product Integration: The software grew its reputation by partnering with over 400 luminaire manufacturers, allowing designers to use real-world products in their simulations.
Detailed Documentation: It allowed for the generation of professional, standards-compliant reports, reducing errors in regulatory submissions.
Compatibility: The software supported popular photometric files, including .ldt (EULUMDAT) and .ies. Evolution to Modern Day
The search results show that while DIALux 4 was revolutionary, it was replaced by DIALux evo for modern, complex, and full-building projects.
The Transition: Users moved from DIALux 4 to DIALux evo for better 3D visualization and more efficient workflow. However, 4.13 remained in use for specific applications.
Latest Technology: As of April 2026, DIALux evo 14 is the latest, fastest version, focusing on BIM integration and advanced calculation tools. You might be surprised to learn that many
Note: The "314" might also be a misinterpretation of a specific patch version within the extensive history of DIALux 4, which received regular updates regarding RUG calculation, texture handling, and CAD imports.
If you can clarify if you were looking for the polishing compound (used in jewelry) or the lighting software, I can refine this story for you.
If it's the compound, I can tell you about the red/white polishing bars.
If it's the software, I can find more specific release notes for that version. Lighting design made easy with DIALux evo
No major release is perfect. Based on community feedback from the "Lighting Designers Global" forum (January 2026), here are the current bugs associated with Dialux 314:
Issue 1: Intel Arc GPU Glitches Users with Intel Arc graphics cards (A770, A750) report flickering textures in OpenGL mode.
Issue 2: DWG Import Scale Factor If you import an AutoCAD drawing created in Imperial units (feet/inches) into a Metric project, Dialux 314 sometimes fails to auto-detect units. If you meant DIALux 3
Issue 3: MacOS Virtual Machine Crash Dialux does not natively run on MacOS. Under Parallels Desktop 19, version 4.13 crashes when exporting PDFs.
If you have just installed version 4.13, master these three workflows immediately.
The use of Dialux 314 and similar opioids has been surrounded by controversy due to the opioid epidemic. Key concerns include:
For MEP engineers, the nightmare of broken links between Dialux and Revit has been partially solved. Dialux 314 ships with a new "Live Link" plugin for Revit 2025 and 2026. You can now edit light positions in Dialux and hit a "Sync Back" button without losing material IDs.
For power users, Dialux 314 introduced a VBScript interface. You can now automate repetitive tasks such as:
To access the script editor, press Ctrl + Shift + F12 inside the Dialux 314 environment. Here is a sample script to change the mounting height of all selected luminaires by 0.5 meters:
For Each luminaire In Project.ActiveScene.SelectedLuminaires
luminaire.MountingHeight = luminaire.MountingHeight + 0.5
Next
MsgBox "Height updated for " & count & " units."
Use DIALux evo if you are doing architectural visualization, daylight simulation, or presenting to clients with renderings.
Keep DIALux 314 if you are maintaining an existing factory or road lighting design, or if you need to recalculate a 10-year-old project without changing a single lux value.