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Namespace Prefixes

Prefix	IRI
n2	http://qudt.org/vocab/quantitykind/
dcterms	http://purl.org/dc/terms/
n4	http://qudt.org/vocab/unit/
n3	http://qudt.org/schema/qudt/
rdfs	http://www.w3.org/2000/01/rdf-schema#
skos	http://www.w3.org/2004/02/skos/core#
n5	http://qudt.org/vocab/dimensionvector/
n7	http://qudt.org/2.1/vocab/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdh	http://www.w3.org/2001/XMLSchema#

Statements

Subject Item

n2:SphericalIlluminance

rdf:type

n3:QuantityKind

rdfs:label

Illuminance

rdfs:isDefinedBy

n7:quantitykind

skos:broader

n2:Illuminance

dcterms:description

Spherical illuminance is equal to quotient of the total luminous flux \(\Phi_v\) incident on a small sphere by the cross section area of that sphere.

n3:applicableUnit

n4:FC n4:LUX n4:PHOT

n3:hasDimensionVector

n5:A0E0L-2I1M0H0T0D0

n3:informativeReference

http://eilv.cie.co.at/term/1245

n3:latexDefinition

\(E_v,0 = \int_{4\pi sr}{L_v}{d\Omega}\), where \(d\Omega\) is the solid angle of each elementary beam passing through the given point and \(L_v\) is its luminance at that point in the direction of the beam.