IfcSoundPressureMeasure

Semantic definitions at the type

Type definition

A sound pressure measure is a measure of the pressure fluctuations superimposed over the ambient pressure level with units of pascals.

Type: REAL

HISTORY New type in IFC2x2, changed in IFC4. See also IfcSoundPressureLevelMeasure for using the unit decibel, i.e. relativ to a reference value.

Formal representations

XSD Specification

 <xs:simpleType name="IfcSoundPressureMeasure">

  <xs:restriction base="xs:double"/>

 </xs:simpleType>

 <xs:element name="IfcSoundPressureMeasure-wrapper" nillable="true">

  <xs:complexType>

   <xs:simpleContent>

    <xs:extension base="ifc:IfcSoundPressureMeasure">

     <xs:attributeGroup ref="ifc:instanceAttributes"/>

    </xs:extension>

   </xs:simpleContent>

  </xs:complexType>

 </xs:element>

EXPRESS Specification


TYPE IfcSoundPressureMeasure = REAL;
END_TYPE;


 EXPRESS-G diagram

	Sound Pressure Measure
	Mesure de pression sonore