![]() ![]() Sprout Space GH Daylight Analysis Definition Over 5 Well lit – artificial lighting generally not required, except at dawn and dusk – but glare and solar gain may begin to cause problems.Įnergy, Daylighting and Lighting Simulation.Between 2 and 5 – Adequately lit but artificial lighting may be needed part of the time.Under 2 - Not adequately lit – artificial lighting is required.For example, a factor of 5 means that 5% of the daylight from outside has made it in the space.Broadly the levels can be classified by: ![]() Even though it is a simplistic calculation of the quality of the natural lighting within the spaces, it provides a preliminary evaluation to support early design decisions. Therefore, the orientation of the building does not impact the results of the calculations. This model represents the worst case scenario assuming a 100% cloudy sky, and does not taking into account the direct sun light. This factor is calculated under a CIE overcast sky model. ![]() This analysis calculates the Daylight Factor - the ratio between the interior and exterior illuminance levels of natural lighting. T he daylight simulation calculates the daylighting quantity and quality within the spaces of the building (Figure 4.1). Figure 4.1: Heat maps representing the daylight indicator of different design alternatives
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