cie

17-31-140

installation azimuth, <in road lighting>

φ

angle a chosen reference direction makes with the vertical plane through a given point on a road surface and the first axis of a luminaire, when the luminaire is at its tilt during measurement

Note 1 to entry: to entry: The reference direction for a straight road is by convention the longitudinal direction.

Note 2 to entry: The installation azimuth is expressed in radian (rad) or degree (°).

Note 3 to entry: This entry was numbered 17-585 in CIE S 017:2011.

Publication date: 2020-12
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