Dialux 3.14 relies on OpenGL 1.5. On modern Windows 10/11, you may need to disable "Hardware Acceleration" in the software's settings ( Extras > Graphics > Software Rendering ).
At its core, DIALux 3.14 was designed to provide lighting professionals with a standardized way to envision light distribution and imitate complex lighting scenes in both indoor and outdoor environments. It moved beyond simple mathematical proofs to provide a more holistic design experience. Dialux 3.14
Once your luminaires are arranged (using rectangular or circular arrangements), hit or click the "Calculate" lightning bolt icon. Dialux 3