Radiance
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Radiance is a suite of programs for the analysis and visualization of lighting in design. Input files specify the scene geometry, materials, luminaires, time, date and sky conditions (for daylight calculations). Calculated values include spectral radiance (ie. luminance + color), irradiance (illuminance + color) and glare indices. Simulation results may be displayed as color images, numerical values and contour plots.
Radiance is utilized by OpenStudio as its lighting simulation tool.
- License: Project-specific FOSS
- Website: https://www.radiance-online.org/
- Source: