What people are saying - Write a review
We haven't found any reviews in the usual places.
Psychophysical experiments to determine standards
Light vision and buildings
Light and design
14 other sections not shown
Other editions - View all
adaptation angle apparent brightness appear architect artificial lighting assessment average reflection factor Building Research Station calculation ceiling chart clerestory colour component of daylight criteria criterion curves daylight factor degree of glare determined distribution ease of reading effect example experiment experimental field of view flicker fluorescent fluorescent lamps flux frequency ft-lamberts give given glare constant glare discomfort Glare Index glare source Heliodon Hopkinson horizontal illumination level increase interior judgments lamps level of illumination level of supplementary light source lumens lumens/sq measurements method minimum Munsell necessary Nomogram observer obstruction obtained overcast sky photocell problem protractor psychophysical pupil diameter range ratio relation scale sensation shown sky brightness sky component sky factor Snellen Snellen chart solid angle source brightness steradians supplementary lighting surface surround brightness Table technique tion uncomfortable visual acuity visual comfort visual field visual task