Luminous-intensity distribution curve
Luminous-intensity distribution curve(LIDC)
A representation of the pattern of light produced by a lamp or light fixture from the center of the source. This information is usually supplied by the manufacturer of the fixture.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
luminous-intensity distribution curve
A polar plot representing the light intensity as a function of angle about a light source.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.