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Daylighting and electric analysis; calculates interior illuminance levels in complex building spaces. Analysis accounts for direct,
externally reflected and internally reflected light. Used for residential and commercial applications.
Keywords
daylighting, lighting, residential and commercial buildings
Validation/Testing
N/A
Expertise Required
Average level of computer literacy; understanding of basic lighting concepts.
Users
Approximately 500 worldwide.
Audience
Architects, lighting designers, researchers, engineers.
Input
Space geometry, surface reflectance, aperture transmittances, luminaire description; input file prepared using standard text or word processor.
Output
Interior point-by-point illuminance levels; preformatted text file.
Computer Platform
PC-compatible, with math co-processor; can be compiled on other platforms.
Programming Language
FORTRAN
Strengths
Complex geometry allowed; variety of sky conditions; illuminance levels on user-oriented planes; daylighting and
electric lighting; accurate flux exchange interreflection calculation.
Weaknesses
Only diffuse surfaces; non-interactive input/output.
Contact
Availability
Download from web site.
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