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Illuminance and Radiant intensity:
Luminance Planning |
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Light is invisible and only recognisable in
interaction with the material it illuminates.
The abstract, invisible size of the
illuminance defines the amount of light.
What we perceive as the impression of
luminosity is actually the light reflected
from the material: the light density. Light
hits an object, is radiated off it in a
changed form and thus contains all the
visual information about the object. It is
thus of great importance to qualitative
lighting planning.
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