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LIGHT 1 Historical Response
Visual Perception and Comfort
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allow altitude angle annual architectural average baffles brightness building calculated ceiling changes chart clear clear sky compared construction cost daylight factor demand determine diffuse dimming direct sunlight directly distribution effect electric lighting energy equal example exterior fenestration field figure floor flux footcandles given glare glass glazing heat height horizontal illuminance incident increased interior lamps latitude less light load louvers luminance measured meter method monitor nomograph obstruction opening orientation overcast sky overhang path percent performance period plane position projection protractor radiation ratio reading receiver reduce reference reflected reflector relative result roof savings scale sensor shading side sky component sky conditions skydome skylight sloped solar space square standard studies surface task translucent transmitted typically various vertical visible visual wall window workplane