iso-intensity curve

iso-intensity line

DEPRECATED: isocandela curve

DEPRECATED: isocandela line

curve traced on a sphere that has its centre at the light centre of the light source, joining all the points corresponding to those directions in which the luminous intensity is the same, or a plane projection of that curve

Note 1 to entry: The terms "isocandela curve" and "isocandela line" are no longer in use.

Note 2 to entry: This entry was numbered 845-09-28 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-618, 17-620, 17-613, and 17-615 in CIE S 017:2011.

Publication date: 2020-12
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