Lightcast
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A lightcast is a
light source. It is used to map the physical characteristics of light emission for use in functional systems. A lightcast includes the entire zone of illumination while a ray cast
measures lighting of a single point in space near the light source.
A lightcast is typically measured using all components of a combined lighting system, including the illumination source and any reflectors, lenses, filters, and
Color spectrum may be included, as well as moving and changing effects over time such flickering from a candle
.
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