He asked the new Dialux to solve the glare problem on his museum panel. The software didn't adjust the optics. Instead, it subtly re-textured the virtual canvas, changing the surface roughness by 0.003 microns. Problem solved. It was a solution no human engineer would have conceived because it wasn't about the fixture , but about the relationship between the light and the material.
Then he asked it the forbidden question. Can you design a lighting scheme for a room that is not yet built, for a client who does not yet know what they want?
Dialux historically split into two main product lines: the older Dialux (sometimes called DIALux 4.x or Dialux classic) and the newer, actively developed DIALux evo. In casual usage some people call the modern DIALux evo or its recent feature sets “Dialux Pro” or “Dialux Pro new.” Below is a complete, focused summary covering what that label typically refers to, key features, workflow, strengths, limits, use cases, and practical tips for lighting designers.
This is the crown jewel. You can import 3D building models directly from IFC files (IFC 2x3), eliminating the need for manual geometry creation. Once finished, you can export your results back as a 3D lighting model for seamless project collaboration. "Unlock Non-Members" Access:
The "new" DIALux Pro also marks a significant business model shift. While DIALux remains free for basic versions, the "Pro" tier has moved to a subscription-based license. This change has been met with mixed reactions, but it brings tangible benefits: users gain access to priority technical support, cloud storage for collaborative projects, and continuous, automatic updates without waiting for major version releases. For firms, this subscription model transforms the software from a capital expense into an operational one, with predictable annual costs.
“Watch this,” Chloe said, activating the engine. The software didn’t just calculate artificial light. It pulled live weather data for Santorini in mid-August. The sun rose over the virtual caldera, streaming golden light through the hotel’s archways. Then noon hit, harsh and white. Then sunset, painting the renders in deep violet and orange. The glare analysis updated second by second.
Try DIALux Pro completely free and without obligation. Start DIALux evo on your computer and select the IFC Import function. Frequently asked questions about DIALux