Radiance Radiance - Highly accurate ray-tracing software system for UNIX computers
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analyze render graphic renderer raytrace 3D raytracer analyze lighting

Radiance Description

Radiance - Highly accurate ray-tracing software system for UNIX computers Radiance is a highly accurate ray-tracing software system for UNIX computers that is licensed at no cost to users for non-commercial use; commercial use licenses including distribution rights are available for a fee. 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), glare indices and irradiance (illuminance color). Simulation results may be displayed as color images, numerical values and contour plots.The primary advantage of Radiance over simpler lighting calculation and rendering tools is that there are no limitations on the geometry or the materials that may be simulated. Radiance is used by architects and engineers to predict illumination, visual quality and appearance of innovative design spaces, and by researchers to evaluate new lighting and daylighting technologies.NOTE: Radiance is licensed and provided under the terms of the Radiance OpenSource License Agreement. Radiance is free for non-commercial use.

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