API Reference > OdIfc4 Namespace > Classes > IfcMaterialLayerSetUsage Class > IfcMaterialLayerSetUsage Methods > IfcMaterialLayerSetUsage::setReferenceExtent Method
IfcMaterialLayerSetUsage::setReferenceExtent Method
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Syntax
C++
void setReferenceExtent(double ReferenceExtent);
Group
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