IfcTimeSeriesValue

Item	Change	Description
IFC2x3 to IFC4 4.0.0.0
IfcTimeSeriesValue	MOVED	Schema changed from IFCTIMESERIESRESOURCE to IFCDATETIMERESOURCE.
IFC2x3 to IFC4 4.0.0.0
IfcTimeSeriesValue	MOVED	Schema changed from IFCTIMESERIESRESOURCE to IFCDATETIMERESOURCE.

Semantic definitions at the entity

Entity definition

A time series value is a list of values that comprise the time series. At least one value must be supplied. Applications are expected to normalize values by applying the following three rules:

All time (universal, local, daylight savings, and solar) is normalized against the ISO 8601 standard GMT/UTC (Universal Coordinated Time).
Any rollover is handled by the application providing the data. Rollover occurs, for example, when the measurement device resets itself while measuring and the recording data do not include the data measured before the reset.
The normalized data refer to the preceding time unit. The time series example shown in Figure 304 below contains four time points: Time "a" indicates the beginning of the time series and the associated datum has no relevance. Data at time points "b," "c" and "d" are associated with values 1, 2 and 3, respectively.

Figure 304 — Time series value

HISTORY New entity in IFC2x2.

Attribute definitions

#	Attribute	Type	Cardinality	Description	G
1	ListValues	IfcValue	L[1:?]	A list of time-series values. At least one value is required.	X

#	Attribute	Type	Cardinality	Description	G
IfcTimeSeriesValue
1	ListValues	IfcValue	L[1:?]	A list of time-series values. At least one value is required.	X

Formal representations

XML Specification

 <xs:element name="IfcTimeSeriesValue" type="ifc:IfcTimeSeriesValue" substitutionGroup="ifc:Entity" nillable="true"/>

 <xs:complexType name="IfcTimeSeriesValue">

  <xs:complexContent>

   <xs:extension base="ifc:Entity">

    <xs:sequence>

     <xs:element name="ListValues">

      <xs:complexType>

       <xs:group ref="ifc:IfcValue" maxOccurs="unbounded"/>

       <xs:attribute ref="ifc:itemType" fixed="ifc:IfcValue"/>

       <xs:attribute ref="ifc:cType" fixed="list"/>

       <xs:attribute ref="ifc:arraySize" use="optional"/>

      </xs:complexType>

     </xs:element>

    </xs:sequence>

   </xs:extension>

  </xs:complexContent>

 </xs:complexType>

EXPRESS Specification


ENTITY IfcTimeSeriesValue;

  ListValues : LIST [1:?] OF IfcValue;

END_ENTITY;

 EXPRESS-G diagram

	Serie mit Zeitabständen - Wert
	Time Series Value
	Valeur de séries temporelles

IfcTimeSeriesValue

Semantic definitions at the entity

Inherited definitions from supertypes

Formal representations