Changelog Last update: 17.07.2025 2024 R2 Beta First version of the Speos for NX library for Python which includes the following Speos for NX features. Added: Session Optical Property Sensors Intensity Irradiance Observer Radiance Immersive 3D Energy Density 3D Irradiance Simulations Direct Interactive Inverse Sources Ambient Environment Ambient Natural Light Ambient General Sky Ambient Overcast Sky Ambient Uniform Ambient US 1976 Display Luminaire Ray File Surface