Open Dialux 43. Under "Project," click "Interior." Enter Length (10m), Width (8m), Height (3m). Define the reflection factors (Ceiling: 70%, Walls: 50%, Floor: 20%).
Press F5 (Calculate). In seconds, Dialux 4.3 will compute every ray of light.
Go to the "Results" table. Look at E_m (Maintained illuminance) . Target is 500 lux. If you have 480, you are good. If you have 800, you need to reduce power or spacing.
| Feature | Dialux 4.3 | Dialux Evo | | :--- | :--- | :--- | | | Parametric (Room/Box geometry) | Free-form (Push/Pull) | | Learning Curve | Steep (Engineer focused) | Gentle (Architect focused) | | Calculation Speed | Very Fast (Legacy engine) | Slower on complex scenes | | Lighting Grids | Manual, precise point-by-point | Automatic, fluid | | Best For | Industrial, office, street lighting | Retail, residential, artistic |
This creates a problem because many third-party download sites bundle malware or adware with the installer.