mp_units::isq::luminance_factor_¶
Synopsis¶
Declared in <mp-units/systems/isq/light_and_radiation.h>
template<PhotometricCondition auto Condition = ::mp_units::isq::photopic_vision>
struct luminance_factor_ : mp_units::quantity_spec<luminance_of<Condition> / luminance_of<Condition>, non_negative>