IfcIrregularTimeSeries

IfcIrregularTimeSeries

实体定义

在不规则的时间序列中，不可预测的数据突发会到达未指定的时间点，或者大多数时间戳不能以重复模式为特征。

例如，循环泵根据管道系统的要求在不可预测的时间循环开启和关闭；教室中的光量取决于手动打开和关闭灯光的时间以及每个开关控制的灯光数量。

IFC2x2中的新实体。

Attribute definitions

#	Attribute	Type	Cardinality	Description	C
9	Values	IfcIrregularTimeSeriesValue	L[1:?]	The collection of time series values.	X

 

Attribute inheritance

#	Attribute	Type	Cardinality	Description	C
IfcTimeSeries
1	Name	IfcLabel	[1:1]	An unique name for the time series.	X
2	Description	IfcText	[0:1]	A text description of the data that the series represents.	X
3	StartTime	IfcDateTime	[1:1]	The start time of a time series.	X
4	EndTime	IfcDateTime	[1:1]	The end time of a time series.	X
5	TimeSeriesDataType	IfcTimeSeriesDataTypeEnum	[1:1]	The time series data type.	X
6	DataOrigin	IfcDataOriginEnum	[1:1]	The origin of a time series data.	X
7	UserDefinedDataOrigin	IfcLabel	[0:1]	Value of the data origin if DataOrigin attribute is USERDEFINED.	X
8	Unit	IfcUnit	[0:1]	The unit to be assigned to all values within the time series. Note that mixing units is not allowed. If the value is not given, the global unit for the type of IfcValue, as defined at IfcProject.UnitsInContext is used.	X
	HasExternalReference	IfcExternalReferenceRelationship @RelatedResourceObjects	S[1:?]	Reference to an external reference, e.g. library, classification, or document information, that is associated to the IfcTimeSeries.	X
IfcIrregularTimeSeries
9	Values	IfcIrregularTimeSeriesValue	L[1:?]	The collection of time series values.	X

 

EXPRESS Specification

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