Visual comfort probability (VCP), also known as Guth Visual Comfort Probability, is a metric used to rate
lighting
Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylig ...
scenes.
VCP is defined as the percentage of people that will find a certain scene (viewpoint and direction) comfortable with regard to
visual glare.
It was defined by Sylvester K. Guth in 1963.
References
Lighting
Architectural lighting design
Vision
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