Advanced daylight calculation by interfacing the Radiance™ lighting simulation tool.




Easy calculation setup, execution and results visualization, all inside IDA ICE. Calculation of daylight factor and illuminance on selected zones or user defined measuring planes placed inside or outside of the building. Selection of sky models including CIE standard sky models and Perez climate based sky model.

The daylight calculation of different zones, measuring planes and time points can in the Expert version (only) be distributed on several processes and run in parallel.

Results presentation with average, minimum, maximum and uniformity ratio and color coded field visualization including possibility to show percentage of area above or below a threshold value.


  • Included with Expert edition
  • Available as extension for Standard edition
  • Requires IDA ICE version 4.7 (or higher)