Cerise365 and DAYSIM

Cerise365 and DAYSIM

Cerise365™ and DAYSIM are daylighting analysis software programs that perform climate-based annual daylight simulations, including the calculation of annual daylight metrics. This white paper compares their performance in terms of accuracy and calculation times....
Filtered LEDs and Light Pollution

Filtered LEDs and Light Pollution

The problem is astronomical — the blue light emitted by LED roadway luminaires has been shown to contribute to light pollution, especially when cool white LEDs are used. Blue light is preferentially scattered by air molecules, and so the higher the correlated color...