@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix constant: <http://qudt.org/vocab/constant/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix qkdv: <http://qudt.org/vocab/dimensionvector/> .
@prefix quantitykind: <http://qudt.org/vocab/quantitykind/> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix si-quantity: <https://si-digital-framework.org/quantities/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix vaem: <http://www.linkedmodel.org/schema/vaem#> .
@prefix voag: <http://voag.linkedmodel.org/schema/voag#> .

quantitykind:Luminance
  a qudt:QuantityKind ;
  dcterms:description "Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle."^^qudt:LatexString ;
  qudt:applicableUnit unit:CD-PER-FT2 ;
  qudt:applicableUnit unit:CD-PER-IN2 ;
  qudt:applicableUnit unit:CD-PER-M2 ;
  qudt:applicableUnit unit:LA ;
  qudt:applicableUnit unit:LA_FT ;
  qudt:applicableUnit unit:LM-PER-FT2 ;
  qudt:applicableUnit unit:LM-PER-M2 ;
  qudt:applicableUnit unit:STILB ;
  qudt:dbpediaMatch "http://dbpedia.org/resource/Luminance"^^xsd:anyURI ;
  qudt:hasDimensionVector qkdv:A0E0L-2I1M0H0T0D0 ;
  qudt:iec61360Code "0112/2///62720#UAD090" ;
  qudt:informativeReference "https://cdd.iec.ch/cdd/iec62720/iec62720.nsf/ListsOfUnitsAllVersions/0112-2---62720%23UAD090"^^xsd:anyURI ;
  qudt:informativeReference "https://en.wikipedia.org/wiki/Luminance"^^xsd:anyURI ;
  qudt:latexDefinition "$L_v = \\frac{dI_v}{dA}$, where $dI_v$ is the luminous intensity of an element of the surface with the area $dA$ of the orthogonal projection of this element on a plane perpendicular to the given direction."^^qudt:LatexString ;
  qudt:plainTextDescription "Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle." ;
  qudt:siExactMatch si-quantity:LUMA ;
  qudt:symbol "L_v" ;
  qudt:wikidataMatch <http://www.wikidata.org/entity/Q355386> ;
  rdfs:comment "Applicable units are those of quantitykind:Luminance" ;
  rdfs:isDefinedBy <http://qudt.org/3.2.1/vocab/quantitykind> ;
  rdfs:label "Luminance"@en .